Timing citrus and avocado foliar nutrient applications to increase fruit set and size

HortTechnology

Volumn 9, Issue 4, 1999, Pages 607-612

  Lovatt, Carol J ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Boron; Nitrogen; Phosphorus; Potassium phosphite; Sodium tetraborate; Urea

Indexed keywords

BRASSICA OLERACEA VAR. BOTRYTIS; CITRUS; CITRUS SINENSIS; PERSEA AMERICANA; UMBILICUS;

EID: 0032863534     PISSN: 10630198     EISSN: None     Source Type: Journal    
DOI: 10.21273/horttech.9.4.607     Document Type: Conference Paper

References (24)

1. Ali, A.G. and C.J. Lovatt. 1995. Relationship of polyamines to low-temperature stress-induced flowering of the 'Washington' navel orange (Citrus sinensis L. Osbeck). J. Hort. Sci. 70:491-498.
2. Ali, A.G. and C.J. Lovatt. 1992. Winter application of foliar urea. Citrograph 78:7-9.
3. Ali, A.G. and C.J. Lovatt. 1994. Winter application of low biuret urea to the foliage of 'Washington' navel orange increased yield. J. Amer. Soc. Hort. Sci. 119:1144-1150.
4. California Agricultural Statistical Service. 1991. California fruit and nut statistics. Calif. Agr. Stat. Serv., Sacramento.
5. Coetzer, L.A., P.J. Robbertse, and B.P.H. Janse Van Vuuren. 1993. The role of boron in avocados: Theory, practice, and reality. S. Afr. Avocado Growers' Assn. Yrbk. 16:2-4.
6. Corona, J.C. 1994. Relationship of polyamines to fruit set and growth of the 'Washington' navel orange [Citrus sinensis (L.) Osbeck]. MS thesis, Univ. California, Riverside.
7. Embleton, T.W. and W.W. Jones 1974. Foliar-applied nitrogen for citrus fertilization. J. Environ. Qual. 3:338-392.
8. Embleton, T.W., W.W. Jones, C.K. Labanauskas, and W.J. Reuther. 1973. Leaf analysis is a diagnostic tool and guide to fertilization, p. 183-211. In: W.J. Reuther (ed.). The citrus industry. vol. 3. Univ. of California, Div. of Agr. Sci., Berkeley.
9. Hamid, G.A., S.D. Van Gundy, and C.J. Lovatt. 1988. Phenologies of the citrus nematode and citrus roots treated with oxamyl. Proc. 6th Intl. Citrus Congr. 2:993-1004.
10. Hanson, E. J. 1991. Boron requirement and mobility in tree fruit species. Current Topics Plant Bioch. Physiol. 10:240-246.
11. Jaganath, I. and C.J. Lovatt. 1998. Efficacy studies on prebloom canopy applications of boron and/or urea to 'Hass' avocado. Proc. 3rd (1995) World Avocado Congr. 1:181-184.
12. 3 treatment. Bot. Gaz. 148: 17-22.
13. Lovatt, C.J., O. Sagee, and A.G. Ali. 1992. Ammonia and/or its metabolites influence flowering, fruit set, and yield of the 'Washington' navel orange. Proc. Intl. Soc. Citricult. 1:412-416.
14. Lovatt, C.J. and W.M. Dugger. 1984. Boron, p. 389-421. In: E. Frieden (ed.). The biochemistry of the essential ultratrace elements. Plenum Publishing Corp., New York.
15. Lovatt, C.J., Y. Zheng, and K.D. Hake. 1988a. Demonstration of a change in nitrogen metabolism influencing flower initiation in citrus. Isr. J. Bot. 37:181-188.
16. Lovatt, C.J., Y. Zheng, and K.D. Hake. 1988b. A new look at the Kraus-Kraybill hypothesis and flowering of citrus. Proc. 6th Intl. Citrus Congr. 1:475-483.
17. Nevin, J.M., C.J. Lovatt, and T.W. Embleton. 1990. Problems with urea-N foliar fertilization of avocado. Acta Hort. 2: 535-541.
18. PureGro Company. n.d. Soil vs. foliar. PureGro Co., Sacramento, Calif.
19. Robbertse, P.J., L.A. Coetzer, and F. Bessinger. 1992. Boron: Uptake by leaves and influence on fruit production. Proc. 2nd World Avocado Congr. 1:173-178.
20. Robbertse, P.J., L.A. Coetzer, M. Slabbert, and J.J. Bezuidenhout. 1990. The influence of boron on fruit set in avocado. Acta Hort. 275:587-594.
21. Sagee, O. and C.J. Lovatt. 1991. Putrescine concentration parallels ammonia and arginine metabolism in developing flowers of 'Washington' navel orange. J. Amer. Soc. Hort. Sci. 116:280-285.
22. Salazar-Garcia, S., E.M. Lord, and C.J. Lovatt. 1998. Inflorescence and flower development of the 'Hass' avocado (Persen americana Mill.) during "on" and "off" crop years. J. Amer. Soc. Hort. Sci. 123:537-544.
23. Sharples, G.C. and R.H. Hilgeman. 1969. Influence of differential nitrogen fertilization on production, trunk growth, fruit size and quality and foliage composition of 'Valencia' orange trees in central Arizona. Proc. 1st Intl. Citrus Symp. 3:1569-1578.
24. Williams, R.R. 1965. The effect of summer nitrogen applications on the quality of apple blossom. J. Hort. Sci. 40:31-41.