Determination and confirmation of S-RNase genotypes of apple pollinators and cultivars
2007
Matsumoto, S. | Eguchi, T. | Bessho, H. | Abe, K.
We analysed the S-RNase genotypes of 23 crab apple (Malus spp.) pollinators and 102 cultivars of domestic apple (Malus pumila Mill.) by PCR amplification and digestion. Within the 23 pollinators, four pollinators, ‘Hopa’, ‘Jack’, ‘Pink Perfection’ and ‘Profusion B’, each had two unidentified S-RNase alleles. These cultivars should be useful pollinators for all domestic cultivars. Twenty-one of the domestic cultivars exhibited S-genotypes contrary to those expected from their supposed parentage, suggesting that one or both reported parents were wrong. We confirmed many of the S-RNase genotypes by pollination tests.
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