Role of indoleacetic Acid and abscisic Acid in the correlative control by fruits of axillary bud development and leaf senescence |
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| Authors: | Tamas I A Engels C J |
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| Affiliation: | Biology Department, Ithaca College, Ithaca, New York 14850. |
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| Abstract: | When fully filled pods of bean plants were deseeded, the rate of axillary bud growth and the chlorophyll content of leaves were increased. Application of 0.1% indoleacetic acid (IAA) in lanolin on the deseeded pods caused abscission of axillary buds, inhibited growth of the remaining buds, and decreased leaf chlorophyll content. The response of bud development to fruit-applied IAA was concentration dependent between 0.001 and 0.1% IAA (representing from 2 to 200 micrograms IAA per fruit) resulting in greater growth inhibition at higher IAA concentrations. |
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