ニホンナシ'長寿', '君塚早生', '明月'および'市原早生'の自家不和合性遺伝子型の再考

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 参考文献13件

書誌事項

タイトル別名
  • Reexamination of Self-incompatibility Genotypes in the Japanese Pears : 'Choju', 'Kimizukawase', 'Meigetsu', and 'Ichiharawase'
  • ニホンナシ チョウジュ キミヅカワセ メイゲツ オヨビ イチハラワセ ノ ジカ フワゴウセイ イデンシガタ ノ サイコウ

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抄録

Self-incompatibility genotypes (S-genotype) were reexamined in the Japanese pear 'Choju', 'Kimizukawase', 'Meigetsu', and 'Ichiharawase'. The S-genotypes of the former 2 cultivars are designated as S2S5, whereas those of the latter 2 cultivars are S1S5. 'Choju' and 'Kimizukawase', which are cross-incompatible in both directions, possessed the S1- and S5-allele associated proteins (S-protein) in their styles. PCR (polymerase chain reaction) amplifications of self-incompatibility genes (S-gene) also revealed the presence of S1- and S5-gene fragments in both cultivars. Thus, the S-genotypes of 'Choju' and 'Kimizukawase' were confirmed to be S1S5, but not S2S5. 'Meigetsu' and 'Ichiharawase' were compatible with 'Choju' ; their styles contained the S1-protein but not the S5-protein. PCR amplification also suggested the absence of S5-gene in both cultivars. These results together with those in the literature on the appearance of F1 individuals with pollen cross-incompatibility with 'Meigetsu' indicate that the S-genotypes of 'Meigetsu' and 'Ichiharawase' are S1S7 or S1Sx (Sx indicates an allele other than S1 to S7).

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 70 (3), 328-332, 2001

    一般社団法人　園芸学会

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