אסיף מאגר המחקר החקלאי

Ethylene influence on leaf and fruit detachment in 'Manzanillo' olive trees

Year:

1976

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Volume :

4

Co-Authors:

Ben-Tal, Y., Institute of Horticulture, Agricultural Research Organization, The Volcani Center, Bet-Dagan, Israel
Lavee, S., Institute of Horticulture, Agricultural Research Organization, The Volcani Center, Bet-Dagan, Israel

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Abstract:

The fruit removal force (FRF) of olive fruits decreased after treatment with the ethylene-releasing agents CGA 13'586 and ethephon. The former has a higher pH in solution and releases ethylene quickly and in very large amounts, while the latter has a much lower pH and releases ethylene slowly and in much smaller concentrations. The influence of each of the agents on the FRF followed a parallel pattern to its ethylene evolution; CGA 13'586 caused a fast and continuous decrease in the FRF, while ethephon caused a small reduction, a period of steady state and a second reduction in the FRF. At the end of the second stage the FRF was similar for both chemicals. A possible mode of action for the two chemicals is suggested. © 1976.

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