Weed and crop allelopathy

Critical Reviews in Plant Sciences

Volumn 22, Issue 3-4, 2003, Pages 367-389

  Weston, Leslie A ^a   Duke, Stephen O ^b  

^a Department of Molecular Biology and Genetics   (United States)

^b NATIONAL CENTER FOR AGRICULTURAL UTILIZATION RESEARCH   (United States)

Author keywords

Allelochemicals; Allelopathy; Biodiversity; Black walnut (Juglans nigra); mugwort; Crop; Crop germplasm; Glands; Invasive; Mode of action; Plant residues; Rhizosphere; Root exudates; Secondary products; Selectivity; Soil; Volatiles; Weed

Indexed keywords

ARTEMISIA VULGARIS; JUGLANS; JUGLANS NIGRA;

EID: 0037678885     PISSN: 07352689     EISSN: None     Source Type: Journal    
DOI: 10.1080/713610861     Document Type: Review

References (121)

1. Abdul-Wahab, A. S., and Rice, E. L. 1967. Plant inhibition by johnsongrass and its possible significance in old field succession. Bull. Torrey Bot. Club 94, 486-497.
2. Able, J. A., Rathus, C., and Godwin, I. D. 2001. The investigation of optimal bombardment parameters for transient and stable transgene expression in sorghum. In Vitro Cell. Dev. Biol. Plant 37, 341-348.
3. An, M., Pratley, J. E., and Haig, T. 1997. Phytotoxicity of vulpia residues. I. Investigation of aqueous extracts. J. Chem. Ecol. 23, 1979-1995.
4. An, M., Pratley, J. E., and Haig, T. 2000a. Phytoxicity of Vulpia Residues. III. Biological activity of identified allelochemicals from Vulpia myuros. J. Chem. Ecol. 27, 383-394.
5. An, M., Haig, T., and Pratley, J. E. 2000b. Phytotoxicity of vulpia residues. II. Separation, identification, and quantitation of allelochemicals from Vulpia myuros. J. Chem. Ecol. 26, 1465-1476.
6. An, M., Pratley, J. E., and Haig, T. 2001. Phytotoxicity of Vulpia residues. IV. Dynamics of allelochemicals during decomposition of vulpia residues and their corresponding phytotoxicity. J. Chem. Ecol. 27, 395-409.
7. Bagchi, G. D., Jain, D. C., and Kumar, S. 1997. Arteether: a potent plant growth inhibitor from Artemisia annua. Phytochemistly 45, 1131-1333.
8. Bames, J. P. and Putnam, A. R. 1983. Rye residues contribute weed suppression in no-tillage cropping systems. J. Chem. Ecol. 9, 1045-1057.
9. Bames, J. P. and Putnam, A. R. 1987. Role of benzoxazinones in allelopathy by rye (Secale cereale L.). J. Chem. Ecol. 13, 889-905.
10. Bamey, J. N. and Weston, L. A. 2002. Characterization of volatile terpenes from mugwort (Artemisia vulgaris L.) foliage. Third World Congr. Allelopathy Abstr. 219.
11. Bell, D. T. and Muller, C. H. 1973. Dominance of California annual grasslands by Brassica nigra. Am. Midl. Nat. 90, 277-299.
12. Brooks, M. G. Effect of black walnut trees and their products on other vegetation. West Va. Agric. Exp. Stat. Bull. 1951.
13. Burgos, N. R. and Talbert, R. E. 2000. Differential activity of allelochemicals from Secale cereale in seedling bioassays. Weed Sci. 48, 302-310.
14. Burgos, N. R., Talbert, R. E., and Mattice, J. D. 1999. Cultivar and age differences in the production of allelochemicals by Secale cereale. Weed Sci. 47, 481-485.
15. Callaway, R. M. and Aschehoug, E. T. 2000. Invasive plants versus their new and old neighbors: A mechanism for exotic invasion. Science 290, 521-523.
16. Callaway, R. M., Deluca, T. H., and Belliveau, W. M. 1999. Biological-control herbivores may increase competitive ability of the noxious weed Centaurea maculosa. Ecology 80, 1196-1201.
17. Chang, M., Netzly, D. H., Butler, L. G., and Lynn, D. G. 1986. Chemical regulation of distance - Characterization of the 1st natural host germination stimulant for Striga asiatica. J. Am. Chem. Soc. 108, 7858-7860.
18. Chevallier, A. 1996. The Encyclopedia of Medicinal Plants: A Practical Reference Guide to More Than 500 Key Medicinal Plants and Their Uses. 336 pp., DK Publishing, New York.
19. Chou, C. H. and Lin, H. J. 1976. Autointoxication mechanism of Oryza sativa. I. Phytotoxic effects of decomposing rice residues in soil. J. Chem. Ecol. 2, 353-367.
20. Collantes, H. G., Gianoli, E., and Niemeyer, H. M. 1999. Defoliation affects chemical defenses in all plant parts of rye seedlings. J. Chem. Ecol. 25, 491-499.
21. Crist, C. R. and Sherf, A. F. Walnut wilt., Cornell Univ. Bull., 1973.
22. Czamota, M. A. Sorghum (Sorghum spp.) root exudates: production, localization, chemical composition, and mode of action, Ph.D. thesis, Cornell University, 2001.
23. Czamota, M. A., Paul, R. N., Dayan, F. E., Nimbal, C. I., and Weston, L. A. 2001. Mode of action, localization of production, chemical nature, and activity of sorgoleone: a potent PSII inhibitor in Sorghum spp. root exudates. Weed Tech. 15, 813-825.
24. Dana, M. N. and Lemer, B. R. Black walnut toxicity, Purdue University Extension, 1990.
25. Dayan, F. E., Hemandez, A., Allen, S. N., Moraes, R. M., Vroman, J. A., Avery, M. A., and Duke, S. O. 1999. Comparative phytotoxicity of artemisinin and several other sesquiterpene analogues. Phytochemistry 50, 607-614.
26. deCandolle, M. A. P. 1832. Physiol. Veg. Bechet Jeune Lib. Fac. Med. Paris 3, 1474-1475.
27. Dilday, R. H., Nastasi, P., and Smith, R. J. J. 1991. Allelopathic activity in rice (Oryza sativa L.) against ducksalad (Heteranthera limosa). In Sustainable Agriculture for the Great Plains, Symposium Proc.; pp 193-201. M. J. S. J. D. Hanson, D. A. Ball, and C. V. Cole, USDA, Washington, DC.
28. Drozdz, B. 1967. Dissertationes pharmaceuticae et pharmacologicae. Chem. Abstr. 66, 22152r.
29. Duckett, C. M., Oparka, K. J., Prior, D. A. M., Dolan, L., and Roberts, K. 1994. Dye-coupling in the root epidermis of Arabidopsis is progressively reduced during development. Development 120, 3247-3255.
30. Duke, M. V., Paul, R. N., Elsohly, N. H., Sturtz, G., and Duke, S. O. 1994. Localization of artemisinin and artemisitene in foliar tissues of glanded and glandless biotypes of Artemisia annua. Int. J. Plant Sci. 155, 365-373.
31. Duke, S. O. 1986. Naturally occurring chemical compounds as herbicides. Rev. Weed Sci. 2, 15-44.
32. Duke, S. O., Paul, R. N., and Lee, S. M. 1988. Terpenoids from the genus Artemisia as potential pesticides. Am. Chem. Soc. Symp. Ser. 829, 52-66.
33. Duke, S. O., Dayan, F. E., and Romagni, J. 2000. Natural products as sources for new mechanisms of herbicidal action. Crop Prot. 19.
34. Duke, S. O., Vaughn, K. C., Croom, E. M., and Elsohly, N. H. 1987. Artemisinin, a constituent of annual wormwood (Artemisia annua), is a selective phytotoxin. Weed Sci. 35, 499-505.
35. Duke, S. O., Scheffler, B. E., Dayan, F. E., Weston, L. A., and Ota, E. 2001. Strategies for using transgenes to produce allelopathic crops. Weed Tech. 15, 826-834.
36. Duke, S. O., Dayan, F. E., Rimando, A. M., Shrader, K., Aliotta, G., Oliva, A., and Romagni, J. G. 2002. Chemicals from nature for weed management. Weed Sci. 50, 138-151.
37. Dung, N. X., Nam, V. V., Huong, H. T., and Leclercq, P. A. 1992. Chemical composition of the essential oil of Artemisia vulgaris L. var. indica Maxim. Viet. J. Essential Oil Res. 4, 433-434.
38. Einhellig, F. A. and Rasmussen, J. A. 1989. Prior cropping with grain-sorghum inhibits weeds. J. Chem. Ecol. 15, 951-960.
39. Einhellig, F. A. and Souza, I. F. 1992. Phytotoxicity of sorgoleone found in grain sorghum root exudates. J. Chem. Ecol. 18, 1-11.
40. Einhellig, F. A., Rasmussen, J. A., Hejl, A. M., and Souza, I. F. 1993. Effects of root exudate sorgoleone on photosynthesis. J. Chem. Ecol. 19, 369-375.
41. Escudero, A., Albert, M. J., Pita, J. M., and Perez-Garcia, F. 2000. Inhibitory effects of Artemisia herba-alba on the germination of the gypsophyte Helianthemum squamatum. Plant Ecol. 148, 71-80.
42. Fortuna, A. M., de Riscala, E. C., Catalan, C. A. N., Gedris, T. E., and Herz, W. 2002. Sesquiterpene lactones and other constituents of Centaurea diffusa. Biochem. Syst. Ecol. 30, 805-808.
43. Geneve, R. and Weston, L. A. 1988. Growth reduction of eastern redbud (Cercis canadensis L.) seedlings caused by interaction with a sorghum-sudangrass hybrid (sudex). J. Environ. Hort. 6, 24-26.
44. Gonzalez, V. M., Kazimir, J., Nimbal, C., Weston, L. A., and Cheniae, G. M. 1997. Inhibition of a photosystem II electron transfer reaction by the natural product sorgoleone. J. Agric. Food Chem. 45, 1415-1421.
45. Hejl, A. M., Einheilig, F. A., and Rasmussen, J. A. 1993. Effects of juglone on growth, photosynthesis, and respiration. J. Chem. Ecol. 19, 559-568.
46. Hoffman, M. L., Weston, L. A., Snyder, J. C., and Regnier, E. E. 1996. Separating the effects of sorghum (Sorghum bicolor) and rye (Secale cereale) root and shoot residues on weed development. Weed Sci. 44, 402-409.
47. Holm, L., Doll, J., Holm, E., Pancho, J., and Herberger, J. 1997. World Weeds: Natural Histories and Distribution. 1129 pp., John Wiley and Sons, New York.
48. Inderjit and Weston, L. A. 2000. Are laboratory bioassays suitable for prediction of field responses? J. Chem. Ecol. 26, 2111-2118.
49. Inderjit and Weiner, J. 2001. Plant allelochemical interference or soil chemical ecology? Persp. Plant Ecol. 4, 3-12.
50. Inderjit and Weston, L. A. Root exudation: an overview. In Root Ecology, H. deKroon, Ed., Springer-Verlag, London, 2003; In press.
51. Jose, S. and Giilespie, A. R. 1998a. Allelopathy in black walnut (Juglans nigra L.) alley cropping. I. Spatio-temporal variation in soil juglone in a black walnut-corn (Zea mays L.) alley cropping system in the midwestern USA. Plant Soil 203, 191-197.
52. Jose, S. and Gillespie, A. R. 1998b. Allelopathy in black walnut (Juglans nigra L.) alley cropping. II. effects of juglone on hydroponically grown corn (Zea mays L.) and soybean (Glycine max L. Merr.) growth and physiology. Plant Soil 203, 199-205.
53. Kato, T., Tsunakawa, M., Sasaki, N., Aizawa, H., Fujita, K., Kitahara, Y., and Takahashi, N. 1977. Growth and germination inhibitors in rice husks. Phytochemistry 16, 45-48.
54. Kato-Noguchi, H., Ino, T., and Sata, N. 2002. Isolation and identification of a potent allelopathic substance in rice root exudates. Physiol. Plant. 115, 401-405.
55. Kim, K. U. and Shin, D. H. 1998. Rice allelopathy research in Korea. In: Allelopathy in Rice: Proceedings of the Workshop on Allelopathy in Rice; pp. 39-43. M. Olofsdotter, Ed., International Rice Research Institute, Manila.
56. Kim, K. U. and Shin, D. H. 2002. Regulation of gene expression related to allelopathic potential. Third World Congr. Allelopathy Abstr. 70.
57. Kim, K. W. and Kim, K. U. 2000. Searching for rice allelochemicals. Proc. Int. Workshop on Rice Allelopathy, 73-84.
58. Kuk, Y. I., Burgos, N. R., and Talbert, R. E. 2001. Evaluation of rice by-products for weed control. Weed Sci. 49, 141-147.
59. Lydon, J., Teasdale, J. R., and Chen, P. K. 1997. Allelopathic activity of annual wormwood (Artemisia annua) and the role of artemisinin. Weed Sci. 45, 807-811.
60. Macias, F. A. 2002. New approach in allelopathy, challenge for the new millenium. Third World Congr. Allelopathy Abstracts, 38.
61. Masiunas, J. B., Weston, L. A., and Weller, S. C. 1995. The impact of rye cover crops on weed populations in a tomato cropping system. Weed Sci. 43, 318-323.
62. Mattice, J., T. Lavy, B. Skulman, and Dilday, R. 1998. Searching for allelochemicals in rice that control ducksalad. In Allelopathy in Rice: Proceedings of the Workshop on Allelopathy in Rice; pp 81-98. M. Olofsdotter, Ed., International Rice Research Institute, Manila.
63. Matvienko, M., Wojtowicz, A., Wrobel, R., Jamison, D., Goldwasser, Y., and Yoder, J. I. 2001. Quinone oxidoreductase message levels are differentially regulated in parasitic and non-parasitic plants exposed to allelopathic quinones. Plant J. 25, 375-387.
64. Meazza, G., Scheffler, B. E., Tellez, M. R., Rimando, A. M., Romagni, J. G., Duke, S. O., Nanayakkara, D., Khan, I. A., Abourashed, E. A., and Dayan, F. E. 2002. The inhibitory activity of natural products on plant p-hydroxyphenylpyruvate dioxygenase. Phytochemistry 60, 281-288.
65. Misra, L. N. and Singh, S. P. 1986. Alpha thujone. The major component of the essential oil from Artemisia vulgaris growing wild in Nilgiri Hills. J. Nat. Prod. 49, 941.
66. Moyer, J. R., Blackshaw, R. E., Smith, E. G., and McGinn, S. M. 2000. Cereal cover crops for weed suppression in a summer fallow-wheat cropping sequence. Can. J. Plant Sci. 80, 441-449.
67. Muir, A. D. and Majak, W. 1983. Allelopathic potential of diffuse knapweed (Centaurea diffusa) extracts. Can. J. Plant Sci. 63, 989-996.
68. Muller, C. H. 1969. Allelopathy as a factor in ecological process. Vegetatio 18, 348-357.
69. Mwaja, V. N., Masiunas, J.B., Weston, L.A. 1995. Effects of fertility on biomass, phytotoxicity, and allelochemical content of cereal rye. J. Chem. Ecol. 21, 81-96.
70. Nagabhushana, G. G., Worsham, A. D., and Yenish, J. P. 2001. Allelopathic cover crops to reduce herbicide use in sustainable agricultural systems. Allelopathy J. 8, 133-146.
71. Nair, M., Whitenack, C. J., and Putnam, A. R. 1990. 2,2′-Oxo-1,1′-azobenzene: a microbially transformed allelochemical from 2,3 benzoxazolinone. J. Chem. Ecol. 16, 353-364.
72. Netzly, D. H. and Butler, L. G. 1986. Roots of sorghum exude hydrophobic droplets containing biologically active components. Crop Sci. 26, 775-778.
73. Nicollier, J. F., Pope, D. F., and Thompson, A. C. 1983. Biological activity of dhurrin and other compounds from johnsongrass (Sorghum halepense). J. Agric. Food Chem. 31, 744-748.
74. Nimbal, C. I., Pedersen, J. F., Yerkes, C. N., Weston, L. A., and Weller, S. C. 1996a. Phytotoxicity and distribution of sorgoleone in grain sorghum germplasm. J. Agric. Food Chem. 44, 1343-1347.
75. Nimbal, C. I., Yerkes, C.N., Weston, L.A., and Weller, S.C. 1996b. Herbicidal activity and site of action of the natural product sorgoleone. Pest. Biochem. Physiol. 54, 73-83.
76. Okuno, K. and Ebana, K. 2002. Molecular mapping of allelopathic QTL of rice. Third World Congr. Allelopathy Abstr. 72.
77. Olofsdotter, M. 2001. Getting closer to breeding for competitive ability and the role of allelopathy - an example from rice (Oryza sativa). Weed Tech. 15, 798-806.
78. Olofsdotter, M. 2002. Rice allelopathy: recent progress and future perspectives. Third World Congr. Allelopathy Abstr. 75.
79. Olofsdotter, M., Jensen, L. B., and Courtois, B. 2002. Improving crop competitive ability using allelopathy an example from rice. Plant Breed. 121, 1-9.
80. Olofsdotter, M., Rebulanan, M., Madrid, A., Wang D.L., Navarez, D., and Olk, D.C. 2002. Why phenolic acids are unlikely primary allelochemicals in rice. J. Chem. Ecol. 28, 229-242.
81. Panasiuk, O., Bills, D.D., and Leather, G.R. 1986. Allelopathic influence of Sorghum bicolor on weeds during germination and early development of seedlings. J. Chem. Ecol. 12, 1533-1543.
82. Petersen, J., Belz, R., Walker, F., and Hurle, K. 2001. Weed suppression by release of isothiocyanates from turnip-rape mulch. Agron. J. 93, 37-43.
83. Phillips, R. and Foy, N. 1990. The Random House Book of Herbs. 192 pp., Random House, New York.
84. Pino, J. A., Rosado, A., and Fuentes, V. 1999. Composition of the essential oil of Artemisia vulgaris L. herb from Cuba. J. Essential Oil Res. 11, 477-478.
85. Pratley, J. E. 1989. Silvergrass residue effects on wheat. Proc. 9th Aust. Weeds Conf. 472.
86. Pratley, J. E. and Ingrey, J. D. 1990. Silvergrass allelopathy on crops and pastures. Proc. 9th Aust. Weeds Conf. 436-439.
87. Putnam, A. R. 1986. Can it be managed to benefit horticulture? HortScience 21, 411-413.
88. Putnam, A. R. 1988. Allelochemicals from plants as herbicides. Weed Tech. 2, 510-518.
89. Putnam, A. R. and Duke, W. O. 1974. Biological suppression of weeds: Evidence for allelopathy in accessions of cucumber. Science 185, 370-372.
90. Putnam, A. R. and Duke, W. O. 1978. Allelopathy in agroecosystems. Ann. Rev. Phytopathol. 16, 431-451.
91. Putnam, A. R. and Weston, L. A. 1986. Adverse impacts of allelopathy in agricultural systems. In: The Science of Allelopathy, pp 43-56. A. R. Putnam and C. S. Tang, Eds., John Wiley and Sons, New York.
92. Qasem, J. R. and Foy, C. L. 2001. Weed allelopathy, its ecological impacts and future prospects: a review. In: Allelopathy in Agroecosystems; pp. 43-119. R. K. Kohli, H. P. Singh, and D. R. Batish, Haworth Press, New York.
93. Radosevich, S., Holt, J., and Ghersa, C. 1997. Weed Ecology: Implications for Management, John Wiley, New York, pp. 1-589.
94. Rasmussen, J. A., Hejl, A. M., Einhellig, F. A., and Thomas, J. A. 1992. Sorgoleone from root exudate inhibits mitochondrial functions. J. Chem. Ecol. 18, 197-207.
95. Rice, E. L. 1984. Allelopathy. 422 pp., Academic Press, Orlando, FL.
96. Ridenour, W. M. and Callaway, R. M. 2001. The relative importance of allelopathy in interference: the effects of an invasive weed on a native bunchgrass. Oecologia 126, 444-450.
97. Rietveld, W. J. 1983. Allelopathic effects of juglone on germination and growth of several herbaceaous and woody species. J. Chem. Ecol. 9, 295-308.
98. Rimando, A. M. and Duke, S. O. 2003. Studies on rice allelochemicals. In: Rice: Origin, History, Technology and Production, pp. 221-244. C. W. Smith, Ed., John Wiley and Sons, New York.
99. Rimando, A. M., Dayan, F. E., Czarnota, M. A., Weston, L. A., and Duke, S. O. 1998. A new photosystem II electron transfer inhibitor from Sorghum bicolor. J. Nat. Prod. 61, 927-930.
100. Scheffler, B. E., Duke, S. O., Dayan, F. E., and Ota, E. 2001. Crop allelopathy: enhancement through biotechnology. Rec. Adv. Phytochem. 35, 257-274.
101. Selmar, D. 1999. Biosynthesis of cyanogenic glycosides, glucosinolates and nonprotein amino acids. In: Biochemistry of Plant Secondary Metabolism, Annual Plant Reviews, Volume 2, pp 79-150. M. Wink, Ed., CRC Press, Boca Raton, FL.
102. Sene, M., Gallet, C., and Dore, T. 2001. Phenolic compounds in a Sahelian sorghum (Sorghum bicolor) genotype (ce(145-66)) and associated soils. J. Chem. Ecol. 27, 81-92.
103. Shilling, D. G., Liebl, R. A., and Worsham, A. D. Rye (Secale cereale L.) and wheat (Triticum aestivum L.) mulch: the suppression of certain broadleaved weeds and the isolation and identification of phytotoxins. In: The Science of Allelopathy, A. R. Putman and C. S. Tang, Eds., John Wiley & Sons, New York, 1985, pp. 243-271.
104. Siemens, D. H., Garner, S. H., Mitchell-Olds, T., and Callaway, R. M. 2002. Cost of defense in the context of plant competition: Brassica rapa may grow and defend. Ecology 83, 505-517.
105. Singh, H. P., Batish, D. R., and Kohli, R. K. 2001. Allelopathy in agroecosystems: an overview. In: Allelopathy in Agroecosystems, pp 1-41. R. K. Kohli, H. P. Singh, and D. R. Batish, Eds., The Haworth Press, New York.
106. Stivers-Young, L. 1998. Growth, nitrogen accumulation, and weed suppression by fall cover crops following early harvest of vegetables. Hortscience 33, 60-63.
107. Subudhi, P. K. and Nguyen, H. I. New horizons in biotechnology. In Sorghum: Origin, History, Technology, and Production; C. W. Smith and R. A. Frederiksen, Eds., John Wiley: New York, 2000; pp. 349-398.
108. Tellez, M. R., Canel, C., Rimando, A. M., and Duke, S. O. 1999. Differential accumulation of isoprenoids in glanded and glandless Artemisia annua L. Phytochemistry 52, 1035-1040.
109. Tsunakawa, M., Ohba, A., Sasaki, N., Kabuto, C., Kato, T., Kitahara, Y., and Takahashi, N. 1976. Momilactone C, a minor constituent of growth inhibitors in rice husk. Chem. Lett. 11, 1157-1158.
110. Vidal, R. A., Bauman, T. T., and Lambert, W. J. 1994. The effect of various wheat straw densities on weed populations. Weed Science Society of America Abstracts 34, 72.
111. Vaughn, S. F. and Berhow, M. A. 1999. Allelochemicals isolated from tissues of the invasive weed garlic mustard (Alliara petiolata). J. Chem. Ecol. 25, 2495-2504.
112. Weston, L. A. 1996. Utilization of allelopathy for weed management in agroecosystems. Agron. J. 88, 860-866.
113. Weston, L. A., Yang, X., and Scheffler, B. E. 2002. Gene regulation by bioactive root exudates produced by Sorghum spp. Third World Congr. Allelopathy Abstr. 76.
114. Weston, L. A., Harmon, R., and Mueller, S. 1989. Allelopathic potential of sorghum-sudangrass hybrid (sudex). J. Chem. Ecol. 15, 1855-1865.
115. Willis, R. J. 1997. The history of allelopathy. II. The second phase (1900-1920). The era of S. U. Pickering and the USDA Bureau of Soils. Allelopathy J. 4, 7-56.
116. Willis, R. J. 2000. Juglans spp., juglone and allelopathy. Allelopathy J. 7, 1-55.
117. Wink, M. 1999. Introduction: biochemistry, role and biotechnology of secondary metabolites. In: Functions of Plant Secondary Metabolites and Their Exploitation in Biotechnology, Annual Plant Reviews, Volume 3, pp 1-16. M. Wink, Ed., CRC Press, Boca Raton, FL.
118. Wu, H., Pratley, J. E., Ma, W., and Haig, T. 2002. Genetic markers associated with wheat allelopathy. Third World Congr. Allelopathy Abstr. 77.
119. Yang, Y. S. and Futsuhara, Y. 1991. Inhibitory effects of volatile compounds released from rice callus on soybean growth: allelopathic evidence observed using in vitro cultures. Plant Sci. 77, 103-110.
120. Yun, K. W. and Kil, B. 1992. Assessment of allelopathic potential potential in Artemisia princeps var. orientalis residues. J. Chem. Ecol. 18, 1933-1940.
121. Yun, K. W. and Maun, M. A. 1997. Allelopathic potential of Artemisia campestris ssp. caudata on Lake Huron sand dunes. Can. J. Bot. 75, 1903-1912.