二面交配에 의한 밀의 몇가지 量的形質의 遺傳硏究 Ⅰ. 出穗期ㆍ收量

• 영문명: A Diallel Analysis of Some Agronomic Traits in Wheat Ⅰ. Heading Date and Yield
• 발행기관: 한국육종학회
• 저자명: B.Y. YI(李富榮) Y.A. CHAE(蔡永岩)
• 간행물 정보: 『한국육종학회지』Vol.15 No.1, 26~32쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1983.04.30

영문 초록

This study was curried out to know the nature of the yield related genetic behavior in wheat (Triticum aestivum) by means of 6×6 half diallel cross with the varieties; Chokwang, Georumil, Suwon # 216, Tung Fang Hung # 3, Yungkwng and Chugoku # 81. For all the characters studied, additive genetic variance was significant. The days to heading showed complete dominance for late heading and additive and dominance genetic variances were both significant. Yield per plants was controlled by additive component of genetic variance only, and high yield per plant showed almost complete dominace over low yield. Both broad and narrow sense heritabilities were low in the yield per plant. Ear number per plant was controlled by additive effect only, however, heritability was low. Grain number per plant was controlled by both dominance and additive variance. Over dominance to large number of grain was observed. Broad sense heritability for grain number was high considerably, but narrow sense heritability was low relatively. 100 grain weight was not sufficient to the assumption for diallel analysis in this experiment.

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