Functionality of pollen and fruit set in sour cherry cultivars
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During 1995 and 1996, functional ability of pollen and fruit set were examined in six sour cherry cultivars (Meteor, Rexelle, Heimanns konserven, Kelleris 14, Oblacinska sour cherry and Köröser). In both years of investigation the highest pollen germination (70.3% and 50.7%) was observed in Oblacinska sour cherry cultivar, and the lowest was in Kelleris 14 cultivar (7.7% and 8.6%). Rexelle cultivar had the highest number of fruit set (51.0%) in 1995, and Oblacinska sour cherry cultivar (42.3%) in 1996. In both years of examination the lowest number of fruit set was found in Köröser cultivar (9.8% and 7.1%). Cultivars which had higher degree of pollen germination had higher degree of fruit set, except for Kelleris 14 cultivar.