الفهرس 
introduction
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Abstract
This study was carried out during two successive seasons (2005 & 2006) on Thomson Seedless grapevines grown in clay loamy soil planted at 2 m apart in a private vineyard in Kafr Khazel, El-Santa District, Gharbia Governorate experiment vines (60) were chosen with similar vigor. The vines were cane system trained. Winter pruning was conducted during the first week of January throughout each season leaving about 80 buds / vine. The main goal of this work is increasing yield / vine, improving fruit quality and on -vine fruit storage for long periods. Thus, two experiments were conducted as follows: The first experiment, 20 vines were specified for give treatments, each treatment 4 vines, treated with irrigation treatments, i.e. The treatments were as follow: 1) no irrigation after July 15’~2, irrigating half area/ vine from July lSt by irrigating one side of vine row and leave the other side, 3) irrigating half area/ vine from July 15th as previously mentioned, 4) irrigating the whole area/ vine every 2 weeks, and 5) no irrigation after July lSt (the traditional practice in the experimental site as a control). The second experiment, 40 vines were specified for ten treatments each treatment 4 vines. The treatments were as follows: Treated with the following 10 defoliation and shooting treatments after fruit set: Defoliation 20, 30 , 40 and 50%, of leaf number / shoot removing vegetative shoots associated with defoliation 20, 30, 40 % of leaves, removing vegetative shoots, only and removing the three basal leaves from the base of the fruiting shoots.