حسین جهانتیغی
حمزه علی احمدی
حسین بخته ای
حسین / نگارنده جهان تیغی

To detennine high yielding grape cultivars, an expirament was conducted at Zahak Experimental Station using Randomized Complete Block design with 3 replications. In this experiment 20 grape cultivars were evaluated on the basis of yield as a main characteristic.In addition some parameters such as ripening date and some of qualitative characteristics of grape cultivars were recorded.In each year ,simple analysis and at the end of experiment ,combined analysis of variance was done on the data. The combined ANOV A results showed that year and cultivar had significant effects on yield of vines.Also interaction effect of year xcultivar was significant. Among studied cultivars, Askari sefid shiraz and moelaii shahriar had the highest and the least grape yields respectively. All studied yaghooti ghermaz cultivars in this experiment showed simultaneous ripening date, therefore this cultivar is introduced as the most early ripening in Sistan climate condition

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