بررسی اثر تعداد خوشه و سطوح مختلف سربرداری بر اجزا عملکرد در انگور عسگری آبی

‭An experiment was conducted in order to studing on the effects of cluster number and different level of topping on yield components of grapes (Vitis vinifera) cv.Askari during 2004-2005.Experiment was conducted as a randomized complete block design with a 2 factorial arrangement and four replication. The first factor was seven levels of cluster number (0,25,30,35,40,45 and 50 Length,s shoot) and second factor was four level of topping (0,1/3,1/4 and 1/2).The data were analyzed statistically with Mstat-c Software. Combined analysis of variance also was done determine different factors interaction. Results were statistically analyzed using Duncan's multiple range test. The results of analysis variance showed significant difference (p