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ISHS Acta Horticulturae 34: Symposium on growth Regulators in Fruit Production

THE INTERACTION OF GROWTH REGULATORS AND TREE ORIENTATION ON FRUIT-BUD FORMATION

Author:   J. Tromp
DOI:   10.17660/ActaHortic.1973.34.23
Abstract:
Combined and separate effects of SADH, GA3 and shoot orientation on fruit-bud formation were studied in potted 'Cox's Orange Pippin' and 'Golden Delicious' trees. It is suggested that GA3 blocks the first steps of the flower-formation process and that SADH and shoot orientation interfere somewhere in subsequent phases. It is further argued that there is no direct relationship between fruit-bud formation and shoot growth.

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34_22     34     34_24

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