水稻品種의 二面交雜에 依한 量的形質의 遺傳分析 Ⅱ. 자포니카 水稻品種의 收量 및 收量構成形質에 대한 組合能力

• 영문명: Inheritance of quantitative characters in diallel cross of rice Ⅱ. Combining ability of yield and yield components in japonica rice
• 발행기관: 한국육종학회
• 저자명: Tae Soon Kwak(郭泰淳) Byung Tae Jun(田炳泰) Soo Yeon Cho(趙守衍) Rae Kyeong Park(朴來敬)
• 간행물 정보: 『한국육종학회지』Vol.20 No.4, 68~72쪽, 전체 5쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1988.12.30

영문 초록

The general combining ability and specific combining ability of yield and yield components such as no.of panicles per hill, no.of spikelets per panicle, 1000-grain weight, and grain ripened ratio were studied on F₁ and F₂ generations of 15 crosses from the partial diallel cross of 6 Japonica rice varieties. The effects of GCA and SCA were significant for yield and yield component characters and the GCA of yield component characters was greater than SCA, but SCA of yield was greater than GCA. The effects of GCA and SCA were different from generations and characters. The GCA and SCA effects of yield and no.of spikelets per panicle were quite great. Rice varieties, RAC 3 and Samnambyeo as parents were quite effective for increasement of no of spikelets per panicle but crosses which had Shin 2 as female parent showed positive greater SCA effects. There were significant correlations between generations in variance and ranks of parental GCA effects of no.of panicles per hill, but non-significant to yield which has consisted by multiple characters such as yield component characters.

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