ISHS Acta Horticulturae 80: Symposium on Growth Regulators in Fruit Production
RUSSETING OF GOLDEN DELICIOUS APPLES AS RELATED TO ENDOGENOUS AND EXOGENOUS GIBBERELLINS. |
| Author: | T. Eccher |
| Abstract:
Previous research suggested that russet of Golden Delicious fruits, determined by an anomalous development of the epidermis, depends on hormonal factors. Treatments on Golden Delicious fruitlets with GA4/7 at 200 ppm, inducing development of regular epidermal cells, significantly reduced russeting of fruits as compared to GA3_treated and to untreated. First results of analyses of endogenous GA-like substances in fruitlets from clones differently subject to russet show that GA-like substances level is lowest in fruitlets of a russet Golden Delicious clone, middle in fruitlets of normal Golden Delicious, highest in fruitlets of Richared, variety not subject to russet. | |
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