Colour development and fruit characteristics of anna apple as related to alar, ethephon and naphthaleneacetic acid applications [Egypt]
1989
Shaltout, A.D. (Ain-Shams Univ., Cairo (Egypt). Faculty of Agriculture) | El-Agamy, S.Z.
Fruit of Anna apple cultivar do not colour well under the environments of Egypt. Ethephon and ethylene releasing agents improved colour but enhanced maturation and softening processes. In this trial Alar (Daminozide) alone or combined with ethephon and NAA was utilized with an objective of improving red colour and fruit characteristics without inducing softening of fruits. Alar was used at 1000 and 2000 ppm, 3 and 5 weeks after full bloom. Ethephon (250 ppm) and NAA (15 ppm) were applied at maturity to Alar-treated and nontreated trees.
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