Evaluation of Vegeteative and Pomological Characteristics and Fruit Yield of Some Asian Pear Cultivars under Urmia Climatic Conditions
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Asian pears (Pyrus serotina Rehd.) are different from European pears in shape, size, color, flavor, texture and ripening time of fruit. This research was conducted to study growth and fruit yield of eight Asian pear cultivars; KS6, KS7, KS8, KS9, KS10, KS12, KS13 and KS14 as well as cv. Shah Miveh and cv. Spadona as control cultivars in Kahriz field station, Urmia, Iran, from 2008 to 2015. Combined analysis of variance revealed significant differences (P≤0.01) among cultivars for vegetative characteristics including annual growth, tree height, trunk diameter and tree canopy, and fruit attributes; fruit length, diameter, weight, firmness, TSS, pH and TA, fruits number per tree, fruit yield per tree, and fruit yield per unit trunk cross-sectional area (TCSA) index. The lowest vegetative growth was observed in KS14 cultivar. Asian cultivars had fruit weight and TSS less, and fruit firmness, fruit number per tree, fruit yield per tree and fruit yield per unit trunk cross-sectional area greater than control cultivars. Cv. Shah Miveh with 3.73 kg and KS13 with 10.06 kg had the lowest and the highest mean fruit yield per tree for last three years. The highest yield per unit trunk cross-sectional area index was observed in KS13. Among Asian pear cultivars; KS7, KS10, as early ripening, and KS13, KS13, as medium ripening with high fruit yield and marketability can be recommened for being grown in Urmia and other regions with similar climatic conditions.
Language:
Persian
Published:
Seed and Plant Journal, Volume:35 Issue: 1, 2019
Pages:
73 to 94
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