Journal of Food, Agriculture and Environment

Vol 10, Issue 3&4,2012
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Effect of ethephon on time of olive oil (cv. Zard) harvesting


Z. Yousefi 1*, M. Almassi 2, A. A. Zeinanloo 3, A. Gholiyan 4, M. Khiave 5

Recieved Date: 2012-06-10, Accepted Date: 2012-09-28


Removing fruit from the olive tree is a major problem in both oil and table olive harvesting. Quality and economy of the oil olive production relies largely on determining the appropriate time and method of harvesting. In order to specify the suitable time of Zard oil cultivar harvesting, research was conducted at Tarum Olive Research Station in Zanjan Province in Iran in 2010. A randomized complete block design experiment was used with three methods of harvesting, namely a1 pneumatic comb machine, a2 branch shaker (hand machine) and a3 hand harvesting (hand picking). In all three methods of harvesting ethephon chemical was used as an abscission agent in three concentration levels as b1 0, b2 2000 and b3 4000 ppm. Ethephon had a significant effect on fruit detachment force reduction. This force decreased with the time of removing. The best time for removal was in middle of November. The results also showed that leaf drop was higher for the treatment with an ethephon concentration of 4000 ppm versus lower concentrations. Leaf drop of pneumatic combs was higher than in other harvesting methods. 


Zard cultivar, ethephon, FDF, leave drop

Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 3&4
Category: Agriculture
Pages: 516-519

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