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ISHS Acta Horticulturae 488: XI International Symposium on Apricot Culture

POSITION OF VEGETATIVE SHOOT APEX ON NODES AS A FACTOR OF DIFFERENTATION OF GENERATIVE BUDS IN APRICOT

Authors:   N. Micic, G. Duric, Lj. Radoš
Keywords:   collateral buds, lateral meristematic domes, 'empty' buds
DOI:   10.17660/ActaHortic.1999.488.59
Abstract:
During dormancy the buds are arranged on apricot bearing branches singly or in groups - collaterally on the node. The investigation of differentiation and distribution of vegetative and generative buds on bearing branches of apricot proves that the bud character is correlated with its position along the fruiting branch and on the node. Thus individual buds can be generative (at the basal portion) and vegetative (at the terminal portion) of the branch, and the length of zones is cultivar-specific and is affected by cultural practices. With the collateral arrangement on the node (2 or 3 buds), all buds can be generative, or there can be one vegetative bud and the rest (1 or 2) are generative.

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