Effect of GA3, hydrogen cyanamid and decapitation on budbreak and flowering of two apple cultivars under the warm climate of southern Egypt

Acta Horticulturae

Volumn 565, Issue , 2001, Pages 109-114

  El Agamy, S Z ^a   Mohamed, A K A ^a   Mostafa, F M A ^a   Abdallah, A Y ^a  

^a Assiut University   (Egypt)

Author keywords

Budbreaking chemicals; Chilling requirement; Warm climate

Indexed keywords

ANNA; MALUS X DOMESTICA;

EID: 48949105582     PISSN: 05677572     EISSN: None     Source Type: Book Series    
DOI: 10.17660/ActaHortic.2001.565.17     Document Type: Conference Paper

References (17)

1. Cepeda, J.H, Fuchigami, L.H and Chen, T.H.H. 1992. Hydrogen cyanamide induced budbreak and phytotoxicity in Red Haven peach buds. HortScience 27: 874-876.
2. Couvillon, G.A. and Hendershott, C.H. 1974. A characterization of the rest period of flower buds of two peach cultivars of different chilling requirements. J. Amer.
3. Soc. Hort. Sci. 99: 23-26.
4. Cutting, J.G.M, Strydom, D.K, Jacobs, G., Bellstedt, D.U., Van Der Merwe, K.J and Weiler, E.D. 1991. Changes in xylem constituents in response to rest breaking agents applied to apple before bud break. J. Amer. Soc. Hort. Sci. 116: 680-683.
5. Dozier, W.A, Jr., Powell, A.A, Caylor, A.W., Mcdaniel, N.R, Carden, E.L and McGuire, J.A. 1990. Hydrogen cyanamide induces bud break of peaches and nectarines following inadequate chilling. HortScience 25: 1573-1575.
6. Edgerton, L.J. 1966. Some effects of gibberellin and growth retardants on bud development and cold hardiness of peach. Proc. Amer. Soc. Hort. Sci. 88: 197-203.
7. Erez, A., Lavee, S. and Samish, R.M. 1971. Improved methods for breaking rest in the peach and other deciduous fruit trees. J. Amer. Soc. Hort. Sci. 96: 519-522.
8. Fuchigami, L.h. and Nee, C.C. 1987. Degree growth stage model and rest breaking mechanisms in temperate woody perennials. HortScience 22: 836-845.
9. Greene, D.W 1993. Effects of GA4 and GA7 on flower bud formation and russet development on apple. J. of Hort. Sci. 68: 171-176.
10. Jackson, J.E and Bebete, M. 1995. The effect of hydrogen cyanamide (Dormex) on flowering and cropping of different apple cultivars under tropical conditions of suboptimal winter chilling. Scienta Hort. 60: 293-304.
11. Lloyd, J and Firth, D.J. 1990. Effect of defoliation time on depth of dormancy and bloom time for low chill peaches. Hortscience 27: 874-876.
12. Lloyd, J. and Firth, D.J. 1993. Effect of hydrogen cyanamid and promalin on flowering, fruit set and harvest time of Flordaprince peach (Prunus persica L. Batsch) in subtropical Australia. Journal of Hort. Sci. 68: 177-183.
13. Mclaughlin, J.M and Greene, D.W. 1991. Fruit and hormones influence flowering of Apple: II. Effects of hormones. J. Amer. Soc. Hort. Sci. 116: 450-452.
14. Petri, J.L and Stuker, H. 1995. Effect of mineral oil and hydrogen cyanamide concentrations on apple dormancy, cv. Gala. Acta Hort. March 1995 No. 395: 161-167.
15. Snedecor, G.W. and Cochran, W.G. 1980. Statistical Methods. Oxford and J.B. H. Pub. Com. 6th Edition.
16. Subhadrabandhu, S. 1995. Induction of budbreak in apple trees that received insufficient chilling by hydrogen cyanamide. Acta Hort. 409: 171-178.
17. Wang, S.Y., Faust, M. and line, M.J 1994. Apical dominance in apple (Malus domestica Orkh). The possible role of Indole-3-Acetic acid J. Amer. Soc. Hort. Sci. 119: 1215-1221.