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Effect of cross-fertilizer pollination on fruit yield and fruit quality of Prunus armeniaca 'Küzlük Ürük'

Author:
Zhao, S. R., Liao, K., An, X. Q., Liu, J., Da, M. X., Du, R. Q., Zhang, S. K.
Source:
Acta horticulturae 2018 no.1214 pp. 59-66
ISSN:
0567-7572
Subject:
Prunus armeniaca, ascorbic acid, cultivars, fruit set, fruit yield, fruits, hybridization, phenotype, pollen, pollination, pollinators, China
Abstract:
The primary aim of this study was to understand the cross-fertilization compatibility and the xenia effect of different pollens from different pollinizers in Prunus armeniaca ‘Küzlük Ürük’, and to screen the pollination combinations with high cross-fertilization compatibility and positive xenia effect by conducting a hybridization test of 14 local cultivars with ‘Küzlük Ürük’ in Xinjiang. The results showed that cross-fertilization of all 14 pollinizers increased fruit-set percentage of ‘Küzlük Ürük’, in which the cross compatibility of P. armeniaca ‘Jaghda Maysam’ with ‘Küzlük Ürük’ was the highest (fruit-set percentage 31.5%). Meanwhile, cross-fertilization of all 14 pollinizers effectively improved the physical characteristics of ‘Küzlük Ürük’ fruit, but most of them showed a negative or less positive effect in enhancing the fruit biochemical characteristics, with a decline in the ascorbic acid content of the hybrid fruit of ‘Küzlük Ürük’. P. armeniaca ‘Tarhan Ürük’ was found to be a more favorable candidate pollinizer for ‘Küzlük Ürük’ for its higher cross-compatibility with ‘Küzlük Ürük’ and positive effects on fruit size and quality of ‘Küzlük Ürük’.
Agid:
6305873