Frequency of Potato Genotypes with Multiple Quantitative Pest Resistance Traits in 4x × 2x Crosses
スポンサーリンク
概要
- 論文の詳細を見る
Diploid potato breeding populations with quantitatively inherited traits related to pest resistance were selected. These lines were further crossed to 4x cultivars via FDR 2n pollen to examine the level of transmission of variable traits including the resistance to bacterial wilt (BW), potato tuber moth (PTM), and root-knot nematodes (RKN). Transmission of quantitative traits including late blight (LB) resistance and the presence of glandular trichomes which confer general insect resistance in tetraploid genotypes was also examined in the 4x × 2x progeny. All the quantitative traits except for the resistance to PTM were transmitted to progeny with a high frequency of resistant progenies. Among 557 clones from 4x × 2x crosses, 114 clones showed a combination of two types of quantitative resistance traits in a single clone. Four types of cornbinations, BW + RKN (85 clones), LB + BW (14 clones), BW + glandular trichonres (1 clone), and RKN + glandular trichomes (14 clones), were identified. Our results indicated that: 1) the transmission of combined quantitative traits related to pest resistance was possible via FDR 2n pollen; and 2) quantitative traits related to LB resistance and the presence of glandular trichomes could be transmitted to progeny with a high frequency.
- 日本育種学会の論文
著者
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Orrillo M
International Potato Center (cip) Lima Per
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Orrillo Matilde
The International Potato Center (cip)
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Watanabe Junko
Faculty Of Bioscience And Technology Kinki University
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Watanabe A.
Faculty of Bioscience and Technology, Kinki University
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Watanabe N.
Faculty of Bioscience and Technology, Kinki Universit
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Watanabe A.
Faculty Of Bioscience And Technology Kinki Universty
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Watanabe N.
Faculty Of Bioscience And Technology Kinki Universty
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Watanabe Kazuo
Faculty Of Agriculture Shinshu University
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