Abstract
Japanese plum (Prunus Salicina Lindl) is one of the most important plums in the world for fresh marketing. Successful plum production requires cultivars well adapted to the specific growing conditions in the area of production. Due to the interaction between environment and genotype in different species, preliminarily evaluation of agronomical and pomological performance for newly released cultivars in the areas where they will be cultivated is necessary. During the period 2012–2013, the suitability of 18 Japanese plum cultivar and genotype for cultivation, evaluated in Horticultureal Research Station (Karaj-Iran). 31 morphopomological traits such as bloom start and end date, ripening time, vegetative growth, trunk section area, internode length, vegetative bud size, leaf, fruit and stone size, flesh diameter, fruit and stone weight, TSS, TA, fruit texture, stone clinging, pH, dry matter and yield in two year were studied. The experiment was conducted in a Complete Randomized Design (CRD). Analysis of variance indicated that the cultivars were significantly different (P≤1%) for all traits. Cluster analysis classified cultivars into 5 main groups and 1 independent cultivar. The earliest cultivars ‘Black Star’ and ‘Morittini’, mid season ‘Shiro’, ‘Simka’, ‘No.16’, ‘Friar’, and the late one ‘Angeleno’, were most suitable and recommended for cultivation in Iran.
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