水稻品種의 二面交雜에 依한 量的形質의 遺傳分析 Ⅴ. 자포니카 水稻品種의 收穫指數 및 生産性 係數에 대한 組合能力

• 영문명: Inheritance of quantitative characters in diallel cross of rice Ⅴ. Combining ability of harvest index and productivity score in japonica rice
• 발행기관: 한국육종학회
• 저자명: Tae Soon Kwak(郭泰淳) Soo Yeon Cho(趙守衍)
• 간행물 정보: 『한국육종학회지』Vol.22 No.1, 33~36쪽, 전체 4쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1990.03.30

영문 초록

The combining ability of harvest index and productivity score was studied in the F₁ and F₂ generations of 15 crosses from the partial diallel cross by 6 Japonica rice varieties. The effects of general combining ability(GCA) and specific combining ability(SCA) were highly significant for harvest index and productivity score, and the GCA of these two characters in F₁ and F₂ generations was greater than SCA. The effects of GCA and SCA were different by characters, and the GCA and SCA of harvest index were more or less greater than those of productivity score. Ishioramochi 7 and RAC3 as parents were quite effective for increasing harvest index and productivity score. There was highly significant correlation between generations in variance based on ranks of parental GCA effects of harvest index and productivity score, but there was no significant correlation between generations in variance based on parental GCA effects of them.

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