ニホンナシ,チュウゴクナシを用いた,ナシ黒星病に対するえ死斑形成反応の遺伝様式の解明

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献5件 参考文献28件

書誌事項

タイトル別名
  • Polygenic Inheritance of Necrotic Reaction to Pear Scab (Venturia nashicola Tanaka et Yamamoto) in Japanese Pear (Pyrus pyrifolia Nakai) and Chinese Pear (P. usssuriensis Maxim.).
  • Polygenic inheritance of necrotic reaction to pear scab(Venturia nashicola Tanaka et Yamamoto)in Japanese pear(Pyrus pyrifolia Nakai)and Chinese pear(P.ussuriensis Maxim.)
  • Polygenic inheritance of necrotic react

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抄録

Inheritance of necrotic reaction from the Japanese pear cultivar 'Okusankichi', and Chinese pear cultivars 'Beijing-bai-li', 'Xiang-ya-li', 'Yuan-ba-li', and 'Zao-su' to pear scab caused by Venturia nashicola Tanaka et Yamamoto was examined, using hybrid seedlings of known parentage. The seedlings were inoculated with conidial suspension, and the resistance to scab was classified into three categories: highly resistant (HR), susceptible (S), or necrotic (N). All seedlings, derived from 'Hosui' (S)×'Beijing-bai-li' (N), were classified as S. N and S seedlings were obtained from 'Hosui'×'Xiang-ya-li' (N) and 'Hosui'×'Yuan-ba-li' (N), whereas HR, N, and S seedlings were derived from S×'Zao-su' (N). Most seedlings from S×'Okusankichi' (N) were classified as S. Progenies of N×N crosses were ranked as HR, N, and S. These results suggest that the necrotic reaction in 'Okusankichi', 'Beijing-bai-li', 'Xiang-ya-li', 'Yuan-ba-li', and 'Zao-su' to Venturia nashicola is controlled by polygenes, and that differences in the transmissibility of these genes, as parents, would significantly affect the segregation of the resistance.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 67 (6), 839-842, 1998

    一般社団法人　園芸学会

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