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Turkish Journal of Agriculture and Forestry

DOI

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Abstract

The effect of endogenous plant hormones on alternate-bearing, an important factor in olive growing, was investigated. Memecik and Tavşan Türeği olive cultivars were used. Leaf, bud, shoot tip and fruit samples were taken monthly during fruiting and non-fruiting periods for two years. Changes in ABA, GA_3 and IAA were found and the effect of these hormones on the initiation of budding was determined. The results of the experiment showed that there were statistically important significances in the content of ABA, GA_3 and IAA at 5% level. ABA and GA_3 have a direct role in the initiation of flower budding while IAA and IAA-like compounds promoted annual shoot formation and had an indirect role in the initiation of flower budding.

First Page

619

Last Page

624

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