Investigation of the performance of some domestic and foreign standard walnut varieties growed in Van (Edremit) region

This study was carried out in the grower orchard established with different domestic and foreign walnut varieties in Edremit district of Van province. this research, in addition to the phenological and morphological characteristics of the varieties in the fruit orchard were evaluated various fruit characteristics (Shelled fruit weight, kernel weight, kernel ratio (% kernel), thickness shell, kernel intensity of color, nut structure of surface, etc.) were evaluated according to UPOV criteria. In addition, these varieties were monitored for their tolerance to anthracnose, frost damage and fruit bollworm. When these characteristics were evaluated, it was determined that Kaman-1 and Fernor varieties performed better than Kaman-5, Ronde and Chandler varieties in the ecological conditions of Edremit region of Van province.