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Efficient Breeding and Cultivation of Type 2 Red-fleshed Apple Cultivars Using a Search System for Suitable Apple Cultivar Combination

Efficient Breeding and Cultivation of Type 2 Red-fleshed Apple Cultivars Using a Search System for Suitable Apple Cultivar Combination
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摘要 As apple possesses self-incompatibility, knowledge of the S-genotypes is very important for apple breeding and cultivation. We investigated the S-RNase genotypes of 13 type 2 red-fleshed apple cultivars and 8 lineages. All of the investigated type 2 red-fleshed apples contained the S3-RNase allele closely linked to the red-fleshed trait. We made a search system for ovule parents to efficiently produce new type 2 red-fleshed cultivars based on the S-RNase allele information(http://www.agr.nagoya-u.ac.jp/~hort/apple/red/). More than 90% of progenies from crossing a selected white-fleshed ovule parent with a type 2 red-fleshed pollen parent are expected to show the red-fleshed phenotype. We also compiled a database of the S-RNase genotypes of more than 1 000 apple cultivars, including a survey system of cultivar combinations showing those that were fully incompatible, semicompatible and fully compatible, written in Chinese(http://www.agr.nagoya-u.ac.jp/~hort/apple/ch/) and Japanese(http://www.agr.nagoya-u.ac.jp/~hort/apple/ja/). As apple possesses self-incompatibility, knowledge of the S-genotypes is very important for apple breeding and cultivation. We investigated the S-RNase genotypes of 13 type 2 red-fleshed apple cultivars and 8 lineages. All of the investigated type 2 red-fleshed apples contained the S3-RNase allele closely linked to the red-fleshed trait. We made a search system for ovule parents to efficiently produce new type 2 red-fleshed cultivars based on the S-RNase allele information(http://www.agr.nagoya-u.ac.jp/~hort/apple/red/). More than 90% of progenies from crossing a selected white-fleshed ovule parent with a type 2 red-fleshed pollen parent are expected to show the red-fleshed phenotype. We also compiled a database of the S-RNase genotypes of more than 1 000 apple cultivars, including a survey system of cultivar combinations showing those that were fully incompatible, semicompatible and fully compatible, written in Chinese(http://www.agr.nagoya-u.ac.jp/~hort/apple/ch/) and Japanese(http://www.agr.nagoya-u.ac.jp/~hort/apple/ja/).
作者 SHOGO Matsumoto LI Tianzhong SHUNGO Otagaki LI Yang BAI Songling SHOGO Matsumoto;LI Tianzhong;SHUNGO Otagaki;LI Yang;BAI Songling;Graduate School of Bioagricultural Sciences, Nagoya University;Laboratory of Fruit Cell and Molecular Breeding, China Agricultural University;Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University
出处 《园艺学报:英文版》 2018年第6期219-225,共7页 Horticultural Plant Journal
基金 supported by a Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science(No.16K07594) research funding from the Ogaki Kyoritsu Bank,Ltd.(OKB Agribusiness) the Prize of JSBBA Innovative Research Program Award
关键词 Malus×domestica TYPE 2 red-fleshed S-RNASE genotype CULTIVAR COMBINATION SELF-INCOMPATIBILITY Malus×domestica type 2 red-fleshed S-RNase genotype cultivar combination self-incompatibility
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