Invertebrate pests and diseases of sweetpotato (Ipomoea batatas): A review and identification of research priorities for smallholder production

Annals of Applied Biology

Volumn 168, Issue 3, 2016, Pages 291-320

  Johnson, A C ^a   Gurr, G M ^b,c  

^a CHARLES STURT UNIVERSITY   (Australia)

^b FUJIAN AGRICULTURE AND FORESTRY UNIVERSITY   (China)

^c E H Graham Centre for Agricultural Innovation   (Australia)

Author keywords

Biological control; CRISPR; cultural control; integrated pest management; LAMP; transmission by vectors; weevils

Indexed keywords

ANT; BEETLE; BIOLOGICAL CONTROL; COMPOSTING; DECISION MAKING; FALLOW; INTEGRATED PEST MANAGEMENT; PEST SPECIES; PHEROMONE TRAP; ROOT VEGETABLE; SMALLHOLDER;

CURCULIONIDAE; FORMICIDAE; INVERTEBRATA; IPOMOEA BATATAS;

EID: 84959440422     PISSN: 00034746     EISSN: 17447348     Source Type: Journal    
DOI: 10.1111/aab.12265     Document Type: Review

References (248)

1. Abate T., van Huis A., Ampofo J.K.O., (2000) Pest management strategies in traditional agriculture: an African perspective. Annual Review of Entomology, 45, 631-659.
2. Abidin P.E., van Eeuwijk F.A., Stam P., Struik P.C., Zhang D.P., Hermann M., Carey E.E., (2002) Evaluation of sweetpotato (Ipomoea batatas (L.) Lam.) germplasm from North-eastern Uganda through a farmer participartory approach. Acta Horticulturae, 583, 61-68.
3. Alicai T., (1999) Seasonal changes in whitefly numbers and their influence on incidence of sweetpotato chlorotic stunt virus and sweetpotato virus disease in sweetpotato in Uganda. International Journal of Pest Management, 45, 51-55.
4. Ames T., Smit N.E.J.M., Braun A.R., O'Sullivan J.N., Skoglund L.G., (1996) Sweetpotato: Major Pests, Diseases, and Nutritional Disorders. Lima, Peru: International Potato Center.
5. Amoabeng B.W., Gurr G.M., Gitau C.W., Nicol H.I., Munyakazi L., Stevenson P.C., (2013) Tri-trophic insecticidal effects of African plants against cabbage pests. PLoS ONE, 8, e78651.
6. Andrade M., Barker I., Cole D., Dapaah H., Elliott H., Fuentes S., Grüneberg W., Kapinga R., Kroschel J., Labarta R., Lemaga B., Loechl C., Low J., Lynam J., Mwanga R., Ortiz O., Oswald A., Thiele G., (2009) Unleashing the Potential of Sweetpotato in Sub-Saharan Africa: Current Challenges and Way Forward. Lima, Peru: International Potato Center (CIP).
7. Anginyah T.J., Narla R.D., Carey E.E., Njeru R., (2001) Etiology, effect of soil pH and sweetpotato varietal reaction to Alternaria leaf petiole and stem blight in Kenya. African Crop Science Journal, 9, 287-292.
8. Anonymous. (2014) Neem: Maize and Peanuts [Online]. www.pestnet.org: PestNet. URL http://www.pestnet.org/SummariesofMessages/Pests/PestManagement/Chemicalcontrol/Plantderivedproducts/Neem/Neem,maizestoragepests,PNG.aspx [accessed on 2 January 2014].
9. Anyanga M.O., Muyinza H., Talwana H., Hall D.R., Farman D.I., Ssemakula G.N., Mwanga R.O.M., Stevenson P.C., (2013) Resistance to the weevils Cylas puncticollis and Cylas brunneus conferred by sweetpotato root surface compounds. Journal of Agricultural and Food Chemistry, 61, 8141-8147.
10. Atungwu J.J., Ozuzu L., Tijjani I., (2012) Categorisation of 10 sweet potato (Ipomoea batatas (L.) Lam.) varieties for resistance to Meloidogyne spp. in organic field. Archives of Phytopathology and Plant Protection, 46, 253-260.
11. Austin D.F., Jansson R.K., Wolfe G.W., (1991) Convolvulaceae and Cylas: a proposed hypothesis on the origins of this plant/insect relationship. Tropical Agriculture, 68, 162-170.
12. Azerefegne F., Solbreck C., Ives A.R., (2001) Environmental forcing and high amplitude fluctuations in the population dynamics of the tropical butterfly Acraea acerata (Lepidoptera: Nymphalidae). Journal of Animal Ecology, 70, 1032-1045.
13. Bach C.E., (1991) Direct and indirect interactions between ants (Pheidole megacephala), scales (Coccus viridis) and plants (Pluchea indica). Oecologia, 87, 233-239.
14. Bailey J.S., Ramakrishna A., Kirchhof G., (2009) An evaluation of nutritional constraints on sweet potato (Ipomoea batatas) production in the central highlands of Papua New Guinea. Plant & Soil, 316, 97-105.
15. Bang S., Kanua M'W.B., (2001) A sweet potato research and development program for PNG. In Food Security for Papua New Guinea. Proceedings of the Papua New Guinea Food and Nutrition 2000 Conference, Lae, PNG, pp. 669-673. Eds, R.M., Bourke, M.G. Allen, and, J.G. Salisbury,. Canberra, Australia: Australian Centre for International Agricultural Research.
16. Barker K.R., Koenning S.R., (1998) Developing sustainable systems for nematode management. Annual Review of Phytopathology, 36, 165-205.
17. Baryshnikova S.V., (2007) A review of the Lyonetiid moths (Lepidoptera, Lyonetiidae): II. The subfamilies Lyonetiinae and Bedelliinae. Entomological Review, 87, 361-367.
18. Bassey E.E., (2012) Field evaluation of yield and resistances of local and improved sweet potato (Ipomoea batatas (L) Lam) accession to Cylas puncticollis and Meloidogyne incognita in Southeastern Nigeria. Asian Journal of Agricultural Sciences, 4, 390-394.
19. Beetham P., Mason A., (1992) Production of Pathogen-tested Sweet Potato. Canberra, Australia: Australian Centre for International Agricultural Research.
20. Bourke T., (1968) Further records of insects collected from Saccharum officinarum in the territory of Papua and New Guinea with notes on their potential as pest species. In Proceedings of the Thirteenth Congress of the International Society of Sugar Cane Technologists. Amsterdam, The Netherlands: Elsevier.
21. Bourke R.M., (1982) Sweet potato in Papua New Guinea. In Sweet Potato: Proceedings of the First International Symposium, pp. 45-57. Shanhua, Taiwan: Asian Vegetable Research and Development Center.
22. Bourke R.M., (2001) Intensification of agricultural systems in Papua New Guinea. Asia Pacific Viewpoint, 42, 219-235.
23. Bourke R.M., (2006) Recent research on sweet potato and cassava in Pupau New Guinea. Acta Horticulturae, 703, 241-246.
24. Bourke R.M., (2009) Sweetpotato in Oceania. In The Sweetpotato, pp. 498-502. Eds, G. Loebenstein, and, G. Thottapilly,. Dordrecht, The Netherlands: Springer.
25. Bourke R.M., Harwood T., (2009) Food and Agriculture in Papua New Guinea. Canberra, Australia: ANU E Press, The Australian National University.
26. Bourke R.M., Ramakrishna A., (2009) Sweetpotato in highlands agricultural systems of Pupua New Guinea. In Soil Fertility in Sweetpotato-based Cropping Systems in the Highlands of Papua New Guinea, pp. 7-11. Ed., G. Kirchhof,. Canberra, Australia: Australian Centre for International Agricultural Research.
27. Bovell-Benjamin A.C., (2007) Sweet potato: a review of its past, present, and future role in human nutrition. In Advances in Food and Nutrition Research, pp. 1-59. Ed, L.T. Steve,. New York, NY, USA: Academic Press.
28. Bradshaw A.D., Chadwick M.J., (1992) The Restoration of Land: The Ecology and Reclamation of Derelict and Degraded Land. Berkeley, Los Angeles, CA, USA: University of California Press.
29. Braun A.R., Van De Fliert E., (1999) Evaluation of the impact of sweetpotato weevil (Cylas formicarius) and of the effectiveness of Cylas sex pheromone traps at the farm level in Indonesia. International Journal of Pest Management, 45, 101-110.
30. Brown J.K., Frohlich D.R., Rosell R.C., (1995) The sweetpotato or silverleaf whiteflies: biotypes of Bemisia tabaci or a species complex? Annual Review of Entomology, 40, 511-534.
31. Brunke A.J., Bahlai C.A., Sears M.K., Hallett R.H., (2009) Generalist predators (Coleoptera: Carabidae, Staphylinidae) associated with millipede populations in sweet potato and carrot fields and implications for millipede management. Environmental Entomology, 38, 1106-1116.
32. Brunke A.J., O'Keefe L., Bahlai C.A., Sears M.K., Hallett R.H., (2012) Guilty by association: an evaluation of millipedes as pests of carrot and sweet potato. Journal of Applied Entomology, 136, 772-780.
33. Byamukama E., Gibson R.W., Aritua V., Adipala E., (2004) Within-crop spread of sweet potato virus disease and the population dynamics of its whitefly and aphid vectors. Crop Protection, 23, 109-116.
34. Cabangbang R.P., Rodriguez J.D.C., (1989) Culture and management requirement of sweet potato (Ipomoea batatas L.) in central Luzon. Philippine Journal of Crop Science, 14, 77-82.
35. Carey E.E., Gibson R.W., Fuentes S., Machmud M., Mwanga R.O.M., Turyamureeba G., Zhang L., Ma D., Abo El-Abbas F., El-Bedewy R., (1999) The causes and control of virus diseases of sweetpotato in developing countries: Is sweetpotato virus disease the main problem?. In Impact on a Changing World. 1997-1998 Program Report, pp. 241-248. Lima, Peru: International Potato Center.
36. Chalfant R.B., Seal D.R., (1991) Biology and management of wireworms on sweet potato. In Sweet Potato Pest Management: A Global Perspective, pp. 327-339. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
37. Chalfant R.B., Jansson R.K., Seal D.R., Schalk J.M., (1990) Ecology and management of sweet potato insects. Annual Review of Entomology, 35, 157-180.
38. Chandaragi M., Patil R.R., Ratil R.K., (2011) Biology of hawk moth, Agris convolvuli L. on blackgram. Insect Environment, 17, 6-8.
39. Choi E., Lee G., Park J., Lee T.K., Choi H.S., Lee S., (2012) Molecular characterization and an infectious clone construction of sweet potato leaf curl virus (SPLCV) isolated from Korea. Acta Virologica, 56, 187-198.
40. CIP (2010) Facts and Figures About Sweetpotato. Lima, Peru: International Potato Center (CIP).
41. CIP (2014) Sweetpotato [Online]. Lima, Peru: International Potato Center. URL http://cipotato.org/sweetpotato-1/ [accessed on 12 September 2014].
42. Clark C.A., Moyer J.W., (1988) Compendium of Sweet Potato Diseases. St. Paul, MN, USA: American Phytopathological Society.
43. Clark C. A., Valverde S., Fuentes S., Salazar L. F., Moyer J. W., (2002) Research for improved management of sweetpotato pests and diseases. Acta hort, 583, 103-112.
44. Clark C.A., Davis J.A., Abad J.A., Cuellar W.J., Fuentes S., Kreuze J.F., Gibson R.W., Mukasa S.B., Tugume A.K., Tairo F.D., Valkonen J.P.T., (2012) Sweetpotato viruses: 15 years of progress on understanding and managing complex diseases. Plant Disease, 96, 168-185.
45. Clark C.A., Ferrin D.M., Smith T.P., Holmes G.J., (Eds) (2013) Compendium of Sweetpotato Diseases, Pests and Disorders. Minnesota, MN, USA: APS Press.
46. Coleman E.A., Hughes M.J., Jackson G.V.H., Komolong B., Guaf E., (2009) Genetics and disease as factors in the yield decline of sweetpotato in the Papua New Guinea highlands. In Soil Fertility in Sweetpotato based Cropping Systems in the Highlands of Papua New Guinea, pp. 33-42. Ed., G. Kirchhof,. Canberra, Australia: Australian Centre for International Agricultural Research.
47. Collins W.W., Jones A., Mullen M.A., Talekar N.S., Martin F.W., (1991) Breeding sweet potato insect resistance: a global overview. In Sweet Potato Pest Management: A Global Perspective, pp. 379-398. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
48. Coyne D.L., Talwana H.A.L., Maslen N.R., (2003) Plant-parasitic nematodes associated with root and tuber crops in Uganda. African Plant Protection, 9, 87-98.
49. Cuellar W.J., Galvez M., Fuentes S., Tugume J., Kreuze J., (2015) Synergistic interactions of begomoviruses with Sweet potato chlorotic stunt virus (genus Crinivirus) in sweet potato (Ipomoea batatas L.). Molecular Plant Pathology, 16, 459-471.
50. Davis R.I., Ruabete T.K., (2010) Records of plant pathogenic viruses and virus-like agents from 22 Pacific island countries and territories: a review and an update. Australasian Plant Pathology, 39, 265-291.
51. Davis R.I., Jacobson S.C., De La Rue S.J., Tran-Nguyen L., Gunua T.G., Rahamma S., (2003) Phytoplasma disease surveys in the extreme north of Queensland, Australia, and the island of New Guinea. Australasian Plant Pathology, 32, 269-277.
52. De Moura F.F., Palmer A.C., Finkelstein J.L., Haas J.D., Murray-Kolb L.E., Wenger M.J., Birol E., Boy E., Peña-Rosas J.P., (2014) Are biofortified staple food crops improving vitamin A and iron status in women and children? New evidence from efficacy trials. Advances in Nutrition: An International Review Journal, 5, 568-570.
53. Dennien S., Homare D., Hughes M., Lovatt J., Coleman E., Jackson G., (2013) Growing Healthy Sweetpotato: Best Practices for Producing Planting Material. Canberra, Australia: Australian Centre for International Agricultural Research.
54. Dickinson M., (2015) Loop-Mediated Isothermal Amplification (LAMP) for detection of phytoplasmas in the field. In Plant Pathology: Techniques and Protocols, pp. 99-111. Ed., C. Lacomme,. New York, NY, USA: Springer.
55. Dolores L.M., Yebron M.G.N. Jr., Laurena A.C., (2012) Molecular and biological characterization of selected Sweet potato feathery mottle virus (SPFMV) strains in the Philippines. Philippine Journal of Crop Science, 37, 29-37.
56. Downham M.C.A., Smit N.E.J.M., Laboke P.O., Hall D.R., Odongo B., (2001) Reduction of pre-harvest infestations of African sweetpotato weevils Cylas brunneus and C. puncticollis (Coleoptera: Apionidae) using a pheromone mating-disruption technique. Crop Protection, 20, 163-166.
57. Ebregt E., Struik P.C., Abidin P.E., Odongo B., (2004a) Farmers' information on sweet potato production and millipede infestation in north-eastern Uganda. I. Associations between spatial and temporal crop diversity and the level of pest infestation. NJAS-Wageningen Journal of Life Sciences, 52, 47-68.
58. Ebregt E., Struik P.C., Abidin P.E., Odongo B., (2004b) Farmers' information on sweet potato production and millipede infestation in north-eastern Uganda. II. Pest incidence and indigenous control strategies. NJAS-Wageningen Journal of Life Sciences, 52, 69-84.
59. Ebregt E., Struik P.C., Odongo B., Abidin P.E., (2007) Piecemeal versus one-time harvesting of sweet potato in north-eastern Uganda with special reference to pest damage. NJAS-Wageningen Journal of Life Sciences, 55, 75-92.
60. Edmunds B.A., Boyette M., Clark C.A., Ferrin D., Smith T.P., Holmes G.J., (2008) Postharvest Handling of Sweetpotatoes. Raleigh, NC, USA: North Carolina Cooperative Extension Service.
61. Edmunds B.A., Clark C.A., Villordon A.Q., Holmes G.J., (2015) Relationships of preharvest weather conditions and soil factors to susceptibility of sweetpotato to postharvest decay caused by Rhizopus stolonifer and Dickeya dadantii. Plant Disease, 99, 848-857.
62. Egbe O.M., Afuape S.O., Idoko J.A., (2012) Performance of improved sweet potato (Ipomea batatas L.) varieties in Makurdi, Southern Guinea savanna of Nigeria. American Journal of Experimental Agriculture, 2, 573-586.
63. Ehisianya C.N., Ukeh D.A., Isah M.D., Lale N.E.S., Umeozor O.C., (2013) Field efficacy of neem seed oil and diazinon in the management of Sweetpotato Weevil, Cylas puncticollis (Boh.) in South-eastern Nigeria. Journal of Plant Studies, 2, 135-144.
64. Fichtner F., Castellanos R.U., Ülker B., (2014) Precision genetic modifications: a new era in molecular biology and crop improvement. Planta, 239, 921-939.
65. Fielding W., van Crowder L. Jr, (1995) Sweet potato weevils in Jamaica: acceptable pests? Journal of Sustainable Agriculture, 5, 105-117.
66. Floyd C.N., (1988) Control and effect of leaf scab (Elsinoë batatas) in sweet potato. Tropical Agriculture, 65, 6-8.
67. Fuentes S., Chujoy E., (2009) Sweetpotato in South America. In The Sweetpotato, pp. 415-440. Eds, G. Loebenstein, and, G. Thottappilly,. Houten, The Netherlands: Springer.
68. Gao F., Gong Y.F., Zhang P.B., (2000) Production and deployment of virus-free sweetpotato in China. Crop Protection, 19, 105-111.
69. Georgis R., Koppenhöfer A.M., Lacey L.A., Bélair G., Duncan L.W., Grewal P.S., Samish M., Tan L., Torr P., van Tol R.W.H.M., (2006) Successes and failures in the use of parasitic nematodes for pest control. Biological Control, 38, 103-123.
70. Gerpacio-Santa Cruz M.T.L., Chujoy E., (1994) Heritability estimates of some root characters in sweetpotatoes. Philippine Journal of Crop Science, 19, 27-32.
71. Ghislain M., Tovar J., Prentice K., Ormachea M., Rivera C., Manrique S., Kreuze J., Rukarwa R., Sefasi A., Mukasa S., (2013) Weevil resistant sweetpotato through biotechnology. Acta Horticulturae, 974, 91-98.
72. Ghosh R., Nagavardhini A., Sengupta A., Sharma M., (2015) Development of Loop-Mediated Isothermal Amplification (LAMP) assay for rapid detection of Fusarium oxysporum f. sp. ciceris-wilt pathogen of chickpea. BMC Research Notes, 8, 997.
73. Gibson R.W., Kreuze J.F., (2015) Degeneration in sweetpotato due to viruses, virus-cleaned planting material and reversion: a review. Plant Pathology, 64, 1-15.
74. Gibson R.W., Mwanga R.O.M., Kasule S., Mpembe I., Carey E.E., (1997) Apparent absence of viruses in most symptomless field-grown sweet potato in Uganda. Annals of Applied Biology, 130, 481-490.
75. Gibson R.W., Aritua V., Byamukama E., Mpembe I., Kayongo J., (2004) Control strategies for sweet potato virus disease in Africa. Virus Research, 100, 115-122.
76. Glass E.H., Thurston H.D., (1978) Traditional and modern crop protection in perspective. BioScience, 28, 109-115.
77. Goud S., Hugar P.S., Prabhuraj A., (2010) Effect of temperature, population density and shelf life of EPN Heterorhabditis indica (RCR) in sodium alginate gel formulation. Journal of Biopesticides, 3, 627-632.
78. Guo X., Xie Y., Jia Z., Ma P., Bian X., (2012) Study on sweet potato stem nematode disease. Plant Diseases and Pests, 3, 21-23.
79. Gurr G.M., Liu J., Read D.M.Y., Catindig J.L.A., Cheng J.A., Lan L.P., Heong K.L., (2011) Parasitoids of Asian rice planthopper (Hemiptera: Delphacidae) pests and prospects for enhancing biological control by ecological engineering. Annals of Applied Biology, 158, 149-176.
80. Gutiérrez D.L., Fuentes S., Salazar L.F., (2003) Sweetpotato virus disease (SPVD): distribution, incidence, and effect on sweetpotato yield in Peru. Plant Disease, 87, 297-302.
81. Hahn S.K., (1979) Effect of viruses (SPVD) on growth and yield of sweet potato. Experimental Agriculture, 15, 253-256.
82. Hartemink A.E., Poloma S., Maino M., Powell K.S., Egenae J., O'Sullivan J.N., (2000) Yield decline of sweet potato in the humid lowlands of Papua New Guinea. Agriculture, Ecosystems & Environment, 79, 259-269.
83. Heath R.R., Coffelt J.A., Proshold F.I., Jansson R.K., Sonnet P.E., (1991) Sex pheromone of Cylas formicarius: history and implication of chemistry in weevil management. In Sweet Potato Pest Management: A Global Perspective, pp. 79-96. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, WA, USA: Westview Press.
84. Heath R.R., Coffelt J.A., Sonnet P.E., Proshold F.I., Dueben B., Tumlinson J.H., (1986) Identification of sex pheromone produced by female sweetpotato weevil, Cylas formicarius elegantulus (Summers). Journal of Chemical Ecology, 12, 1489-1503.
85. Henneberry T., Faust R., (2008) Introduction. In Classical Biological Control of Bemisia tabaci in the United States: a review of interagency research and implementation, pp. 1-16. Eds, J. Gould, K. Hoelmer, and, J. Goolsby,. New York, USA: Springer.
86. Hogenhout S.A., Ammar El-D., Whitfield A.E., Redinbaugh M.G., (2008) Insect vector interactions with persistently transmitted viruses. Annual Review of Phytopathology, 46, 327-359.
87. Horton D.E., Ewell P.T., (1991) Sweet potato pest management: a social science perspective. In Sweet Potato Pest Management: A Global Perspective, pp. 407-428. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
88. Hosokawa T., Koga R., Tanaka K., Moriyama M., Anbutsu H., Fukatsu T., (2015) Nardonella endosymbionts of Japanese pest and non-pest weevils (Coleoptera: Curculionidae). Applied Entomology and Zoology, 50, 223-229.
89. Hsieh C.-H., Wang H.-Y., Chen Y.-F., Ko C.-C., (2012) Loop-mediated isothermal amplification for rapid identification of biotypes B and Q of the globally invasive pest Bemisia tabaci, and studying population dynamics. Pest Management Science, 68, 1206-1213.
90. Hughes M., (2013) Identifying appropriate strategies for reducing virus and weevil losses in sweetpotato production systems in Papua New Guinea and Australia. In Final Report HORT/2011/053. Canberra, Australia: Australian Centre of International Agricultural Research.
91. Hughes M.J., Coleman E.A., Taraken I.T., Igua P., (2009) Sweet potato agronomy in Papua New Guinea. In Soil Fertility in Sweetpotato Based Cropping Systems in the Highlands of Papua New Guinea, pp. 12-23. Ed., G. Kirchhof,. Canberra, Australia: Australian Centre for International Agricultural Research.
92. Hwang J.S., (2000) Integrated control of sweetpotato weevil Cylas formicarius Fabricius, with sex pheromone and insecticide [Online]. Tsukuba, Japan.: Food & Fertilizer Technology Center for the Asian and Pacific Region. URL http://www.agnet.org/library.php?func=view&id=20110712162214&type-id=4 [accessed on 29 October 2014].
93. Hwang J.S., Hung C.C., (1991) Evaluation of the effect of integrated control of sweetpotato weevil, Cylas fomucarius Fabricius, with sex pheromone and insecticide. Chinese Journal of Entomology, 11, 140-146.
94. Jackai L.E., Sosinski B., Jackson D.M., Sorenson K.A., Bonsi C.K., Addo-Bediako A., Ali R., Tameru B., Quarcoo F., Alvarez M.N., (2006) Occurrence and intra-specific variation of sweetpotato weevil (Brentidae: Coleoptera) in relation to its potential spread in southern United States of America and the Caribbean. Acta Horticulturae, 703, 197-204.
95. Jackson D.M., Bohac J.R., (2006) Evaluation of pheromone traps for monitoring sweetpotato weevils. Journal of Agricultural and Urban Entomology, 23, 141-158.
96. Jackson D.M., Harrison H.F. Jr, (2013) Insect resistance in traditional and heirloom sweetpotato varieties. Journal of Economic Entomology, 106, 1456-1462.
97. Jackson D.M., Bohac J.R., Dalip K.M., Lawrence J., Clarke-Harris D., McComie L., Gore J., McGlashan D., Chung P., Edwards S., Tolin S., Edwards C., (2002) Integrated pest management of sweetpotato in the Caribbean. Acta Horticulturae, 583, 143-154.
98. Jackson D.M., Lawrence J., Dalip K.M., Chung P., Clarke-Harris D., Bohac J.R., Tolin S., Edwards C., Seal D.R., (2003) The sweetpotato leaf beetle, Typophorus nigritus viridicyaneus Crotch (Coleoptera: Chrysomelidae), an emerging pest in Jamaica: distribution and host plant resistance. Tropical Agriculture, 80, 235-208.
99. Jansson R.K., (1991) Biological control of Cylas spp. In Sweet Potato Pest Management: A Global Perspective, pp. 169-202. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
100. Jansson R.K., (1992) Biological approaches for management of weevils of root and tuber crops: a review. Florida Entomologist, 75, 568-584.
101. Jansson R.K., Lecrone S.H., (1994) Application methods for entomopathogenic nematodes (Rhabditida: Heterorhabditidae): aqueous suspensions versus infected cadavers. Florida Entomologist, 77, 281-284.
102. Jansson R.K., Raman K.V., (1991) Sweet potato pest management: a global overview. In Sweet Potato Pest Management: A Global Perspective, pp. 1-12. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
103. Jansson R.K., Lecrone S.H., Gaugler R., (1991a) Comparison of single and multiple releases of Heterorhabditis bacteriophora Poinar (Nematoda: Heterorhabditidae) for control of Cylas formicarius (Fabricius) (Coleoptera: Apionidae). Biological Control, 1, 320-328.
104. Jansson R.K., Mason L.J., Heath R.R., (1991b) Use of sex pheromone for monitoring and managing of Cylas formicarius. In Sweet Potato Pest Management: A Global Perspective, pp. 97-138. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, WA, USA: Westview Press.
105. Kapalamula C., (2014) Effects of intercropping 'orange-fleshed' sweetpotato with onion on the level of weevil damage. Master Thesis. National Chung Hsing University, Taichung, Taiwan.
106. Katis N.I., Tsitsipis J.A., Stevens M., Powell G., (2007) Transmission of plant viruses. In Aphids as Crop Pests, pp. 353-390. Eds, H.F. van Emden, and, R. Harrington,. Wallingford, UK: CABI.
107. Katsuki M., Omae Y., Okada K., Kamura T., Matsuyama T., Haraguchi D., Kohama T., Miyatake T., (2012) Ultraviolet light-emitting diode (UV LED) trap the West Indian sweet potato weevil, Euscepes postfasciatus (Coleoptera: Curculionidae). Applied Entomology and Zoology, 47, 285-290.
108. Keremane M.L., Ramadugu C., Rodriguez E., Kubota R., Shibata S., Hall D.G., Roose M.L., Jenkins D., Lee R.F., (2015) A rapid field detection system for citrus huanglongbing associated 'Candidatus Liberibacter asiaticus' from the psyllid vector, Diaphorina citri Kuwayama and its implications in disease management. Crop Protection, 68, 41-48.
109. Kirchhof G., Taraken I.T., Ramakrishna A., Ratsch R., Igua P., (2009) Biophysical contraints of sweetpotato-based cropping systems in the Papua New Guinea highlands. In Soil Fertility in Sweetpotato Based Cropping Systems in the Highlands of Papua New Guinea, pp. 95-109. Ed, G. Kirchhof,. Canberra, Australia: Australian Centre for International Agricultural Research.
110. Kokoa P., (2001) Review of sweet potato diseases in PNG. In Food Security for Papua New Guinea. Proceedings of the Papua New Guinea Food and Nutrition 2000 Conference, pp. 730-735. Eds, R.M. Bourke, M.G. Allen, and, J.G. Salisbury,. Canberra, Australia: Australian Centre for International Agricultural Research.
111. Korada R.R., Naskar S.K., Palaniswami M.S., Ray R.C., (2010) Management of sweetpotato weevil [Cylas formicarius (Fab.)]: an overview. Journal of Root Crops, 36, 14-26.
112. Kumano N., Haraguchi D., Kohama T., (2008) Effect of irradiation on mating ability in the male sweetpotato weevil (Coleoptera: Curculionidae). Journal of Economic Entomology, 101, 1198-1203.
113. Kumano N., Iwata N., Kuriwada T., Shiromoto K., Haraguchi D., Yasunaga-Aoki C., Kohama T., (2010) The neogregarine protozoan Farinocystis sp. reduces longevity and fecundity in the West Indian sweet potato weevil, Euscepes postfasciatus (Fairmaire). Journal of Invertebrate Pathology, 105, 298-304.
114. Kuriwada T., Kumano N., Shiromoto K., Haraguchi D., (2013) Effects of intra- and inter-specific competition on fitness of sweetpotato weevil and West Indian sweetpotato weevil. Journal of Applied Entomology, 137, 310-316.
115. Lagnaoui A., Cisneros F., Alcazar J., Morales F., (2000) A Sustainable Pest Management Strategy for Sweetpotato Weevil in Cuba: A Success Story. Santo Domingo, Cuba: Instituto de Investigaciones de Viandas Tropicales, Food Fertilizer Technology Center.
116. Lebot V., (2010) Sweetpotato. In Root and Tuber Crops, pp. 97-125. Ed, J.E. Bradshaw,. New York, NY, USA: Springer Science & Business Media.
117. Leng P.H., Reddy G.V.P., (2012) Bioactivity of selected eco-friendly pesticides against Cylas formicarius (Coleoptera: Brentidae). Florida Entomologist, 95, 1040-1047.
118. Levett M.P., (1993) The effects of methods of planting cuttings of sweet potato (Ipomoea batatas (L.) Lam.) on yield. Tropical Agriculture, 70, 110-115.
119. Li Z., Alves S.B., Roberts D.W., Fan M., Delalibera I. Jr., Tang J., Lopes R.B., Faria M., Rangel D.E.N., (2010) Biological control of insects in Brazil and China: history, current programs and reasons for their successes using entomopathogenic fungi. Biocontrol Science and Technology, 20, 117-136.
120. Loebenstein G., (2015) Control of sweetpotato virus diseases. In Control of Plant Virus Diseases, pp. 33-45. Eds, G. Loebenstein, and, N.I. Katis,. Academic Press.
121. Loebenstein G., Thottapilly G., (Eds) (2009) The Sweetpotato. Dordrecht, The Netherlands: Springer.
122. Low J.W., (2013) Biofortified crops with a visible trait: the example of orange-fleshed sweet potato in Sub-Saharan Africa. In Handbook of Food Fortification and Health, pp. 371-384. Eds, V.R. Preedy, R. Srirajaskanthan, and, V.B. Patel,. New York, NY, USA: Springer.
123. Low J.W., Arimond M., Osman N., Cunguara B., Zano F., Tschirley D., (2007) A food-based approach introducing orange-fleshed sweet potatoes increased vitamin A intake and serum retinol concentrations in young children in rural Mozambique. The Journal of Nutrition, 137, 1320-1327.
124. Low J., Lynam J., Lemaga B., Crissman C., Barker I., Thiele G., Namanda S., Wheatley C., Andrade M., (2009) Sweetpotato in Sub-Saharan Africa. In The Sweetpotato, pp. 359-390. Eds, G. Loebenstein, and, G. Thottappilly,. Dordrecht, The Netherlands: Springer.
125. Lugojja F., Ogenga-Latigo M.W., Smit N.E.J.M., (2001) Impact of defoliation on the agronomic performance of sweetpotato in Uganda. African Crop Science Journal, 9, 103-108.
126. Lutulele R.P., (2001) Sweet potato variety developments in the PNG highlands: implications for future research and extension focus. In Food security for Papua New Guinea. Proceedings of the Papua New Guinea Food and Nutrition 2000 Conference, Lae, PNG, pp. 683-688. Eds, R.M. Bourke, M.G. Allen, and, J.G. Salisbury,. Canberra, Australia: Australian Centre for International Agricultural Research.
127. Maeto K., Uesato T., (2007) A new species of Bracon (Hymenoptera: Braconidae) parasitic on alien sweetpotato weevils in the south-west islands of Japan. Entomological Science, 10, 55-63.
128. Mansaray A., Sundufu A.J., Yilla K., Fomba S.N., (2013) Evaluation of cultural control practices in the management of sweetpotato weevil (Cylas puncticollis) Boheman (Coleoptera: Curculionidae). QScience Connect, 44.
129. Mansaray A., Sundufu A.J., Moseray M.T., Fomba S.N., (2015) Sweet potato weevil (Cylas puncticollis) Boheman infestation: cultivar differences and the effects of mulching. The Open Entomology Journal, 9, 7-11.
130. Mariscal A.M., Bacusmo J.L., Acedo V.Z., Abogadie E., (2001) Recent progress on the conservation and use of sweetpotato in the Philippines. In Conservation and Utilization of Sweetpotato Genetic Diversity in Asia, pp. 47-52. Eds, V. Ramanatha Rao, and, M. Hermann,. Rome, Italy: International Plant Genetic Resources Institute (IPGRI).
131. Mbanzibwa D.R., Tugume A.K., Chiunga E., Mark D., Tairo F.D., (2014) Small RNA deep sequencing-based detection and further evidence of DNA viruses infecting sweetpotato plants in Tanzania. Annals of Applied Biology, 165, 329-339.
132. Meehan T.D., Werling B.P., Landis D.A., Gratton C., (2011) Agricultural landscape simplification and insecticide use in the Midwestern United States. Proceedings of the National Academy of Sciences of the United States of America, 108, 11500-11505.
133. Mohamed A.E.Z.G., (2005) Biology, ecology and management of the sweetpotato weevil, Cylas puncticollis Boheman (Coleoptera Brentidae). Doctor of Philosophy. University of Khartoum.
134. Mohanraj R., Sivasankar S., (2014) Sweet potato (Ipomoea batatas [L.] Lam)-a valuable medicinal food: a review. Journal of Medicinal Food, 17, 733-741.
135. Morales A., Castellõn M.D.C., Morales N., Maza N., Cisneros F., Lagnaoui A., Alcazar J., (2002) Integrated management to control Cylas formicarius of sweetpotato (Ipomoea batatas (L.) Lam.) in Cuba. Acta Horticulturae, 583, 163-170.
136. Morán R., García R., Lõpez A., Zaldúa Z., Mena J., García M., Armas R., Somonte D., Rodríguez J., Gõmez M., Pimentel E., (1998) Transgenic sweet potato plants carrying the delta-endotoxin gene from Bacillus thuringiensis var. tenebrionis. Plant Science, 139, 175-184.
137. Moyer J.W., Larsen R.C., (1991) Management of insect vectors of viruses infecting sweet potato. In Sweet Potato Pest Management: A Global Perspective, pp. 341-358. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
138. Moyer J.W., Miyatake T., (2001) Eradication programs of two sweetpotato pests, Cylas formicarius and Euscepes postfasciatus, in Japan with special reference to their dispersal ability. Japan Agricultural Research Quarterly, 35, 227-234.
139. Muturi P.W., Mwololo J.K., Mburu M.W.K., Njeru R.W., Kiarie N., Munyua J.K., Ateka E.M., Muinga R.W., Kapinga R.E., Lemaga B., (2007) Strategies of maintaining sweetpotato nurseries free from insect vectors that spread sweetpotato virus disease. African Crop Science Conference Proceedings, 8, 2071-2074.
140. Mwanga R.O.M., Moyer J.W., Zhang D.P., Carey E.E., Yencho G.C., (2002) Nature of resistance of sweetpotato to sweetpotato virus disease. Acta Horticulturae, 583, 155-162.
141. Mwanga R.O.M., Niringiye C., Alajo A., Kigozi B., Namukula J., Mpembe I., Tumwegamire S., Gibson R.W., Yencho G.C., (2011) 'NASPOT 11', a sweetpotato cultivar bred by a participatory plant-breeding approach in Uganda. HortScience, 46, 317-321.
142. Nagarkatti S., (1973) A note on egg-parasitism of Agrius convolvuli (L.) in Karnataka. Technical Bulletin of the Commonwealth Institute of Biological Control, No. 16, 23-27.
143. Namanda S., Amour R., Gibson R.W., (2012) The triple S method of producing sweet potato planting material for areas in Africa with long dry seasons. Journal of Crop Improvement, 27, 67-84.
144. Nderitu J., Sila M., Nyamasyo G., Kasina M., (2009) Effectiveness of entomopathogenic nematodes against sweet potato weevil (Cylas puncticollis Boheman (Coleoptera: Apionidae)) under semi-field conditions in Kenya. Journal of Entomology, 6, 145-154.
145. Nedunchezhiyan M., Rajasekhara Rao K., Laxminarayana K., Satapathy B.S., (2010) Effect of strip cropping involving sweet potato (Ipomoea batatas L.) on soil moisture conservation, weevil infestation and crop productivity. Journal of Root Crops, 36, 53-58.
146. Nemudryi A.A., Valetdinova K.R., Medvedev S.P., Zakian S.M., (2014) TALEN and CRISPR/Cas genome editing systems: tools of discovery. Acta Naturae, 6, 19-40.
147. Nestel P., Bouis H.E., Meenakshi J.V., Pfeiffer W., (2006) Biofortification of staple food crops. The Journal of Nutrition, 136, 1064-1067.
148. Ng J.C.K., Perry K.L., (2004) Transmission of plant viruses by aphid vectors. Molecular Plant Pathology, 5, 505-511.
149. Ngailo S., Shimelis H., Sibiya J., Mtunda K., (2013) Sweet potato breeding for resistance to sweet potato virus disease and improved yield: progress and challenges. African Journal of Agricultural Research, 8, 3202-3215.
150. Nottingham S.F., Kays S.J., (2002) Sweetpotato weevil control. Acta Horticulturae, 583, 155-162.
151. Nwankwo I.I.M., Bassey E.E., Afuape S.O., Njoku J., Korieocha D.S., Nwaigwe G., Echendu T.N.C., (2012) Morpho-agronomic characterization and evaluation of in-country sweet potato accessions in Southeastern Nigeria. Journal of Agricultural Science, 4, 281-288.
152. O'Hair S.K., (1991) Growth of sweet potato in relation to attack by sweet potato weevils. In Sweet Potato Pest Management: A Global Perspective, pp. 59-78. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
153. Okonya J.S., Kroschel J., (2013) Incidence, abundance and damage by the sweet potato butterfly Acraea acerata Hew. and the African sweet potato weevils (Cylas spp.) across an altitude gradient in Kabale district, Uganda. International Journal of AgriScience, 3, 814-824.
154. Okonya J.S., Kroschel J., (2014) Gender differences in access and use of selected productive resources among sweet potato farmers in Uganda. Agriculture & Food Security, 3, 1.
155. Okonya J., Mwanga R.O.M., Syndikus K., Kroschel J., (2014) Insect pests of sweetpotato in Uganda: farmers' perceptions of their importance and control practices. SpringerPlus, 3, 303.
156. Okonya J., Mujica N., Carhuapoma P., Kroschel J., (2015) Will global warming affect the distribution and abundance of the sweetpotato butterfly Acraea acerata Hew. in Africa? (Abstract) [Online]. Berlin, Germany: Tropical and Subtropical Agricultural and Natural Resource Management (TROPENTAG). [accessed on 10 June 2015].
157. Okpul T., Maltby J., Guaf E., Coleman E.A., Dennien S., Harding R.M., Dieters M.J., Godwin I.D., (2011) Cultivar-specific effects of pathogen testing on storage root yield of sweetpotato, Ipomoea batatas. Annals of Applied Biology, 158, 288-296.
158. Ondiaka S., Maniania N.K., Nyamasyo G.H.N., Nderitu J.H., (2008) Virulence of the entomopathogenic fungi Beauveria bassiana and Metarhizium anisopliae to sweet potato weevil Cylas puncticollis and effects on fecundity and egg viability. Annals of Applied Biology, 153, 41-48.
159. Orr A., Ritchie J.M., (2004) Learning from failure: smallholder farming systems and IPM in Malawi. Agricultural Systems, 79, 31-54.
160. Osaki T., Inouye T., (1991) Transmission characteristics and cytopathology of a white fly-transmitted virus isolated from sweet potato leaf curl disease. Bulletin of the University of Osaka Prefecture Series B, 43, 11-19.
161. Osiru M., Adipala E., Olanya O., Lemaga B., Kapinga R., (2007) Occurrence and distribution of Alternaria leaf petiole and stem blight on sweetpotato in Uganda. Plant Pathology Journal, 6, 112-119.
162. O'Sullivan J.N., (2005) Wireworms and WDS complex [Online]. Brisbane, Australia: University of Queenland. URL http://keys.lucidcentral.org/keys/sweetpotato/key/Sweetpotato%20Diagnotes/Media/Html/TheProblems/Pest-Root&StemInsects/Wireworm/wireworm.htm [accessed on 8 December 2014].
163. Overstreet C., (2009) Nematodes. In The Sweetpotato, pp. 135-159. Eds, G. Loebenstein, and, G. Thottappilly,. Dordrecht, The Netherlands: Springer.
164. Parker B.L., Wolfe G.W., Abubaker A., (1992) Occurrence of Cylas formicarius (F.) (Col., Apionidae) in Central and Southern Africa. Journal of Applied Entomology, 114, 400-402.
165. Parr M.C., Ntonifor N.N., Jackai L.E., (2014a) Effect of planting dates on the population dynamics of Cylas puncticollis and sweet potato storage roots damage in South Western Cameroon. Journal of Biology, Agriculture and Healthcare, 4, 41-48.
166. Parr M.C., Ntonifor N.N., Jackai L., (2014b) The effect of planting/harvesting periods and seasons on the dynamics and damage by sweet potato weevils in the S.W. region of Cameroon. Journal of Biology, Agriculture and Healthcare, 4, 25-33.
167. Pearson M.N., Keane P.J., Thiagalingham K., (1984) Little leaf: a disease of sweet potato in Papua New Guinea probably caused by mycoplasma-like organisms. Journal of Phytopathology, 109, 269-276.
168. Perovic D.J., Gurr G.M., Raman A., Nicol H.I., (2010) Effect of landscape composition and arrangement on biological control agents in a simplified agricultural system: a cost-distance approach. Biological Control, 52, 263-270.
169. Pillai K.S., Rajamma P., Palaniswami M.S., (1993) New technique in the control of sweet potato weevil using synthetic sex pheromone in India. International Journal of Pest Management, 39, 84-89.
170. Powell K.S., Hartemink A.E., Eganae J.F., Walo C., Poloma S., (2001) Sweet potato weevil (Cylas formicarius) incidence in the humid lowlands of PNG. In Food security for Papua New Guinea. Proceedings of the Papua New Guinea Food and Nutrition 2000 Conference, Lae, PNG, pp. 736-746. Eds, R.M. Bourke, M.G. Allen, and, J.G. Salisbury,. Canberra, Australia: Australian Centre for International Agricultural Research.
171. Rahman M.A., Sultana A., (2005) On-farm evaluation of integrated pest management of sweet potato weevil (Cylas formicarius). Indian Journal of Agricultural Sciences, 75, 200-203.
172. Raman K.V., Alleyne E.H., (1991) Biology and management of the West Indian sweet potato weevil, Euscepes postfasciatus. In Sweet Potato Pest Management: A Global Perspective, pp. 263-281. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
173. Raveen R., Daniel A.M., (2006) Studies on the internal female reproductive system of Cylas formicarius Fabr. Journal of Applied Zoological Researches, 17, 29-32.
174. Ravindran A., Lévy J., Pierson E., Gross D.C., (2015) Loop-Mediated Isothermal Amplification Procedure (LAMP) for detection of the potato zebra chip pathogen "Candidatus Liberibacter solanacearum". In Plant Pathology: Techniques and Protocols, pp. 85-97. Ed., C. Lacomme,. New York, NY, USA: Springer.
175. Ray R.C., Ravi V., (2005) Post harvest spoilage of sweetpotato in tropics and control measures. Critical Reviews in Food Science & Nutrition, 45, 623-644.
176. Ray P.K., Mishra S., Mishra S.S., (1983) Sweet-potato productivity as affected by recurrent use of vines as planting-material. Scientia Horticulturae, 20, 319-322.
177. Reddy G.V.P., Gadi N., Taianao A.J., (2012a) Efficient sex pheromone trapping: catching the sweetpotato weevil, Cylas formicarius. Journal of Chemical Ecology, 38, 846-853.
178. Reddy G.V.P., McConnel J., Badilles A., (2012b) Estimation of the population density of the sweetpotato weevils on the Mariana Islands. Journal of Entomological and Acarological Research, 44, 20-23.
179. Reddy G.V.P., Wu S., Mendi R.C., Miller R.H., (2014a) Efficacy of pheromone trapping of the sweetpotato weevil (Coleoptera: Brentidae): based on dose, septum age, attractive radius, and mass trapping. Environmental Entomology, 43, 767-773.
180. Reddy G.V.P., Zhao Z., Humber R.A., (2014b) Laboratory and field efficacy of entomopathogenic fungi for the management of the sweetpotato weevil, Cylas formicarius (Coleoptera: Brentidae). Journal of Invertebrate Pathology, 122, 10-15.
181. Rendon P., Sivinski J., Holler T., Bloem K., Lopez M., Martinez A., Aluja M., (2006) The effects of sterile males and two braconid parasitoids, Fopius arisanus (Sonan) and Diachasmimorpha krausii (Fullaway) (Hymenoptera), on caged populations of Mediterranean fruit flies, Ceratitis capitata (Wied.) (Diptera: Tephritidae) at various sites in Guatemala. Biological Control, 36, 224-231.
182. Ruel M.T., Alderman H., the Maternal and Child Nutrition Study Group (2013) Nutrition-sensitive interventions and programmes: how can they help to accelerate progress in improving maternal and child nutrition? The Lancet, 382, 536-551.
183. Rukarwa R.J., Prentice K., Ormachea M., Kreuze J.F., Tovar J., Mukasa S.B., Ssemakula G., Mwanga R.O.M., Ghislain M., (2013) Evaluation of bioassays for testing Bt sweetpotato events against sweetpotato weevils. African Crop Science Journal, 21, 235-244.
184. Rukarwa R.J., Mukasa S.B., Odongo B., Ssemakula G., Ghislain M., (2014) Identification of relevant non-target organisms exposed to weevil-resistant Bt sweetpotato in Uganda. 3 Biotech, 4, 217-226.
185. San-Blas E., (2013) Progress on entomopathogenic nematology research: A bibliometric study of the last three decades: 1980-2010. Biological Control, 66, 102-124.
186. nd PNG Plant Protection Conference, pp. 31-35. Ed. T.J. White. Australian Centre for International Agricultural Research.
187. Sar S.A., King C., van de Fliert E., Opasa R., Atoai M., Appa A., Papaya T., (2009) Engaging stakeholders through participatory research: farmer innovations in the use of predatory ants for pest management in Papua New Guinea. In Innovation Asia Pacific Symposium, pp. 1-11. Kathmandu, Nepal: Innovation Asia-Pacific Symposium.
188. Sasaya T., (2015) Detection methods for rice viruses by a reverse-transcription loop-mediated isothermal amplification (RT-LAMP). In Plant Virology Protocols: New Approaches to Detect Viruses and Host Responses, pp. 49-59. Eds, I. Uyeda, and, C. Masuta,. New York, NY, USA: Springer.
189. Sato K., Uritani I., Saito T., Honda H,. (1978) Factor causing terpene induction in sweet potato roots extracted form the West Indian sweet potato weevil Euscepes posrfasciatus Fairmaire (Coleoptera: Curculionidae). Applied Entomology and Zoology, 13, 227-228.
190. Sato Y., Miyai S., Haraguchi D., Ohno S., Kohama T., Kawamura K., Yamagishi M., (2010) Population dynamics of the West Indian sweetpotato weevil Euscepes postfasciatus (Fairmaire): a simulation analysis. Journal of Applied Entomology, 134, 303-312.
191. Schaefers G.A., Terry E.R., (1976) Insect transmission of sweet potato disease agents in Nigeria. Phytopathology, 66, 642-645.
192. Shekhar S., Agrawal L., Buragohain A.K., Datta A., Chakraborty S., Chakraborty N., (2013) Genotype independent regeneration and Agrobacterium-mediated genetic transformation of Sweet Potato (Ipomoea batatas L.). Plant Tissue Culture and Biotechnology, 23, 87-100.
193. Sherman M., Tamashiro M., (1954) The sweetpotato weevils in Hawaii: their biology and control. In Technical Bulletin No. 23, p. 36. Hawaii: University of Hawaii.
194. Shorey H.H., Anderson L.D., (1960) Biology and control of the morning-glory leaf miner, Bedellia somnulentella, on sweet potatoes. Journal of Economic Entomology, 53, 1119-1122.
195. Simbiken A.N., (2006) Farmer perceptions of coffee pests in Boana district, Morobe Province, Papua New Guinea. In Pest and Disease Incursions: Risks, Threats and Management in Papua New Guinea. ACIAR Technical report No. 62, pp. 60-63. Ed., T.V. Price,. Canberra, ACT: Australian Centre for International Agricultural Research.
196. Simeon A.U., Abubakar A., (2014) Evaluation of some plant extracts for the control of bacterial soft rot of tubers. American Journal of Experimental Agriculture, 4, 1869-1876.
197. Simpson M., Gurr G.M., Simmons A.T., Wratten S.D., James D.G., Leeson G., Nicol H.I., Orre-Gordon G.U.S., (2011) Attract and reward: combining chemical ecology and habitat manipulation to enhance biological control in field crops. Journal of Applied Ecology, 48, 580-590.
198. Skoglund L.G., Smit N.E.J.M., (1994) Major diseases and pests of sweetpotato in Eastern Africa. Lima, Peru: International Potato Center (CIP).
199. Smit N.E.J.M., (1997) The effect of the indigenous cultural practices of in-ground storage and piecemeal harvesting of sweetpotato on yield and quality losses caused by sweetpotato weevil in Uganda. Agriculture, Ecosystems & Environment, 64, 191-200.
200. Smit N.E.J., Van Huis A., (1999) Biology of the African sweetpotato weevil species Cylas puncticollis (Boheman) and C. brunneus (Fabricius) (Coleoptera: Apionidae). The Journal of Food Technology in Africa, 4, 103-107.
201. Smit N.E.J.M., Downham M.C.A., Odongo B., Hall D.R., Laboke P.O., (1997a) Development of pheromone traps for control and monitoring of sweetpotato weevils, Cylas puncticollis and C. brunneus, in Uganda. Entomologia Experimentalis et Applicata, 85, 95-104.
202. Smit N.E.J.M., Lugojja F., Ogenga-Latigo M.W., (1997b) The sweetpotato butterfly (Acraea acerata Hew., Nymphalidae): a review. International Journal of Pest Management, 43, 275-278.
203. Smit N.E.J.M., Downham M.C.A., Laboke P.O., Hall D.R., Odongo B., (2001) Mass-trapping male Cylas spp. with sex pheromones: a potential IPM component in sweetpotato production in Uganda. Crop Protection, 20, 643-651.
204. Smith H.A., McSorley R., (2000) Intercropping and pest management: a review of major concepts. American Entomologist, 46, 154-161.
205. Starr C.K., Severson R.F., Kays S.J., (1991) Volatile chemicals from sweet potato and other Ipomoea: effects on the behaviour of Cylas formicarius. In Sweet Potato Pest Management: A Global Perspective, pp. 235-24. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
206. Sugimoto T., Sakuratani Y., Setokuchi O., Kamikado T., Kiritani K., Okada T., (1994) Estimations of attractive area of pheromone traps and dispersal distance, of male adults of sweet potato weevil, Cylas formicarius (Fabricius)(Coleoptera, Curculionidae). Applied Entomology and Zoology, 29, 349-358.
207. Sureda T., Quero C., Bosch M.P., Avilés R., Coll F., Renou M., Guerrero Á., (2006) Electrophysiological and behavioral responses of a Cuban population of the sweet potato weevil to its sex pheromone. Journal of Chemical Ecology, 32, 2177-2190.
208. Sutherland J., (1986a) Damage by Cylas formicarius Fab. to sweet potato vines and tubers, and the effect of infestations on total yield in Papua New Guinea. Tropical Pest Management, 32, 316-323.
209. Sutherland J.A., (1986b) A review of the biology and control of the sweet potato weevil Cylas formicarius (Fab). Tropical Pest Management, 32, 304-315.
210. Suzuki T., Kobayashi T., Adachi K., Mochida H., Iwahori H., Tateishi Y., Uesugi K., (2012) Effect of introducing nematode-resistant sweet potato cultivars on crop productivity and nematode density in sweet potato-radish double-cropping systems. Plant Production Science, 15, 48-56.
211. Tadesse E., Azerefegne F., (2014) Evaluation of some botanicals for the management of Cylas puncticollis (Boheman) in Wolaita, Southern Ethiopia. Biopesticides International, 10, 30-40.
212. Tairo F., Mukasa S.B., Jones R.A.C., Kullaya A., Rubaihayo P.R., Valkonen J.P.T., (2005) Unravelling the genetic diversity of the three main viruses involved in Sweet Potato Virus Disease (SPVD), and its practical implications. Molecular Plant Pathology, 6, 199-211.
213. Talekar N.S., (1982) Effects of sweetpotato weevil (Coleoptera:Curculionidae) infestation on sweet potato root yields. Journal of Economic Entomology, 75, 1042-1044.
214. Talekar N.S., (1991) Integrated control of Cylas formicarius. In Sweet Potato Pest Management: A Global Perspective, pp. 139-156. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
215. Talekar N.S., (1995) Characteristics of infestation of sweet potato weevil Cylas formicarius (Coleoptera: Apionidae). International Journal of Pest Management, 41, 236-242.
216. Talekar N.S., Cheng K.W., (1987) Nature of damage and sources of resistance to sweetpotato vine borer (Lepidoptera: Pyralidae) in sweet potato. Journal of Economic Entomology, 80, 788-791.
217. Talekar N.S., Pollard G.V., (1991) Vine borers of sweet potato. In Sweet Potato Pest Management: A Global Perspective, pp. 327-339. Eds, R.K. Jansson, and, K.V. Raman,. San Francisco, CA, USA: Westview Press.
218. Tanzubil P., (2015) Insect pests of sweet potato in the Sudan savanna zone of Ghana. Journal of Entomology and Zoology Studies, 3, 124-126.
219. Taraken I.T., Ratsch R., (2009) Sweetpotato cultivation on composted mounds in the highlands of Papua New Guinea. In Soil Fertility in Sweetpotato Based Cropping Systems in the Highlands of Papua New Guinea, pp. 24-32. Ed., G. Kirchhof,. Canberra, Australia: Australian Centre for International Agricultural Research.
220. Tjintokohadi N.L., Mok I., (2001) Sweetpotato germplasm conservation and breeding in CIP-ESEAP. In Conservation and Utilization of Sweetpotato Genetic Diversity in Asia, pp. 39-46. Rome, Italy: International Plant Genetic Resources Institute (IPGRI).
221. Tran-Nguyen L.T.T., Smith S.H., Liberato J.R., (2012) Sweet potato little leaf strain V4 phytoplasma associated with snake bean in the Northern Territory, Australia. Australasian Plant Disease Notes, 7, 147-150.
222. Tsurui K., Ohishi T., Kumano N., Teruya K., Toyosato T., Shiromoto K., (2015) Symptoms shown by late-stage larvae of the West Indian sweet potato weevil Euscepes postfasciatus (Coleoptera: Curculionidae) infected with Farinocystis sp. (Neogregarinida: Lipotrophidae). Applied Entomology and Zoology, 50, 245-254.
223. Tugume A.K., Cuéllar W.J., Mukasa S.B., Valkonen J.P.T., (2010) Molecular genetic analysis of virus isolates from wild and cultivated plants demonstrates that East Africa is a hotspot for the evolution and diversification of Sweet potato feathery mottle virus. Molecular Ecology, 19, 3139-3156.
224. Umunna O.E., Anselem A.B., (2014) Control of postharvest rot of sweetpotato (Ipomoea batatas Lam.) tuber in vitro and in vivo. Journal of Agriculture and Sustainability, 6, 50-68.
225. Valverde R.A., Clark C.A., Valkonen J.P.T., (2007) Virus and virus disease complexes of sweetpotato. Plant Viruses, 1, 116-126.
226. Van Wijmeersch P., (2001) The status of sweet potato variety evaluation in PNG and recommendation for future research. In Food Security for Papua New Guinea. Proceedings PNG Food and Nutritoin 2000 Conference, pp. 674-682. Eds, R.M. Bourke, M.G. Allen, and, J.G. Salisbury,. Canberra, Australia: Australian Centre for International Agricultural Research.
227. Villacarlos L.T., Granados-Polo M.F.U., (1989) Potential of Metarhizium anisopliae for the control of the sweet potato weevil, Cylas formicarius (F.) (Curculionidae: Coleoptera). Philippine Journal of Crop Science, 14, 109-114.
228. Villanueva M.R., (1980) Evaluation of some agronomic practices for the control of sweet potato weevil. Philippine Journal of Crop Science, 5, 105-108.
229. Wakamura S., Yasuda T., Watanabe M., Kiguchi K., Shimoda M., Ando T., (1996) Sex pheromone of the Sweetpotato Hornworm, Agrius convolvuli (L.) (Lepidoptera: Sphingidae): identification of a major component and its activity in a wind tunnel. Applied Entomology and Zoology, 31, 171-174.
230. Wakamura S., Ohno S., Arakaki N., Kohama T., Haraguchi D., Yasui H., (2010) Identification and field activity of the sex pheromone component of the sweetpotato vine borer moth Omphisa anastomosalis (Lepidoptera: Crambidae). Applied Entomology and Zoology, 45, 635-640.
231. Wang Q., Zhang L., Wang B., Yin Z., Feng C., Wang Q., (2010) Sweetpotato viruses in China. Crop Protection, 29, 110-114.
232. Wang Z., Li J., Luo Z., Huang L., Chen X., Fang B., Li Y., Chen J., Zhang X., (2011) Characterization and development of EST-derived SSR markers in cultivated sweetpotato (Ipomoea batatas). BMC Plant Biology, 11, 139.
233. Waterhouse D.F., (1997) The Major Invertebrate Pests and Weeds of Agriculture and Plantation Forestry in the Southern and Western Pacific. AClAR Monograph No. 44. Canberra, Australia: Australian Centre for International Agricultural Research.
234. Waterhouse D.F., Norris K.R., (1987) Biological Control, Pacific Prospects. Melbourne, Australia: Inkata Press.
235. Weintraub P.G., Beanland L., (2006) Insect vectors of phytoplasmas. Annual Review of Entomology, 51, 91-111.
236. Woolfe J.A., (1992) Sweet Potato: An Untapped Food Resource. New York, NY, USA: Cambridge University Press.
237. Wosula E.N., Clark C.A., Davis J.A., (2012) Effect of host plant, aphid species, and virus infection status on transmission of Sweetpotato feathery mottle virus. Plant Disease, 96, 1331-1336.
238. Yaku A., Hill S.B., Chiasson H., (1992) Effects of intercropping on a population of sweet potato weevil, Cylas formicarius (F.) (Coleoptera: Curculionidae). Science in New Guinea, 18, 123-132.
239. Yamaguchi T., Kawasoe K., Izumi S., (2006) Pathogenicity of steinernematid nematodes on the sweet potato weevil, Cylas formicarius (Fabricius) (Coleoptera: Brentidae) and their feasibility for suppression of the weevil population. Japanese Journal of Applied Entomology and Zoology, 50, 217-224.
240. Yan Q., Vang L.V., Khanh C.N.Q., Naka H., Ando T., (2014) Reexamination of the female sex pheromone of the sweet potato vine borer moth: identification and field evaluation of a tricosatriene. Journal of Chemical Ecology, 40, 590-598.
241. Yang J., Bi H.-P., Fan W.-J., Zhang M., Wang H.-X., Zhang P., (2011) Efficient embryogenic suspension culturing and rapid transformation of a range of elite genotypes of sweet potato (Ipomoea batatas [L.] Lam.). Plant Science, 181, 701-711.
242. Yasuda K., (1995) Mass trapping of the sweet potato weevil Cylas formicarius (Fabricius) (Coleoptera: Brentidae) with a synthetic sex pheromone. Applied Entomology and Zoology, 30, 31-36.
243. Yasuda K., (1999) Auto-infection system for the sweet potato weevil, Cylas formicarius (Fabricius) (Coleoptera: Curculionidae) with entomopathogenic fungi, Beauveria bassiana using a modified sex pheromone trap in the field. Applied Entomology and Zoology, 34, 501-505.
244. Yasuda K., Hongo T., Etoo N., (2004) A new type of pheromone formulation with visual stimulation for control of sweet potato weevil, Cylas formicarius (Fabricius). Japanese Journal of Applied Entomology and Zoology, 48, 87-93.
245. Yencho G.C., Pecota K.V., Schultheis J.R., Sosinski B.R., (2002) Grower-participartory sweetpotato breeding efforts in North Carolina. Acta Horticulturae, 583, 69-76.
246. Zawedde B.M., Harris C., Alajo A., Hancock J., Grumet R., (2014) Factors influencing diversity of farmers' varieties of sweet potato in Uganda: implications for conservation. Economic Botany, 68, 337-349.
247. Zhang L., Wang Q., Liu Q., Wang Q., (2009) Sweetpotato in China. In The Sweetpotato, pp. 325-358. Eds, G. Loebenstein, and, G. Thottappilly,. Dordrecht, The Netherlands: Springer.
248. Zhu P., Lu Z.-X., Gurr G., Zheng X., Read D., Yang Y., Xu H., (2012) Ecological functions of flowering plants on conservation of the arthropod natural enemies of insect pests in agroecosystem. Chinese Journal of Biological Control, 4, 20.