This study was carried out to adaptability evaluation of the 50 grapevine varieties introduced from Russia from 2008 to 2013 in the Qazvin and Urmia provinces. The experimental design was randomized complete block design with three replications. Three superior grapevine More
This study was carried out to adaptability evaluation of the 50 grapevine varieties introduced from Russia from 2008 to 2013 in the Qazvin and Urmia provinces. The experimental design was randomized complete block design with three replications. Three superior grapevine clones of white Bidaneh were as control in both areas. The Corden bilateral training system was used in 2×3.5 m space planning and two vines in each experimental unit in the both areas. Recorded traits were: yield per plant, length and width of berry, total soluble solids of juice (TSS), juice pH, juice titratable acid (TA) and time of harvest. Combined analysis of variance and adaptability analysis was performed on the base of GGE Biplot principal components analysis of the environment scaling method. Statistical analysis was done by GenStat ver.12 computer software. The effects of the environments, varieties and environments × varieties were significant in the combined analysis of variance. The adaptability of Zenbil 13-366 and Ljana was higher than other varieties on the base of yield components in Qazvin. Ruski Ramphi had higher adaptability than other varieties in Urmia region. Yoski biser, Bobili magaracha and Ramphi Izdangareh had the most inappropriate situation on the base of yield components in two areas.
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