眞珠조의 雄性不稔 및 稔性自殖系統間 交雜에서 主要形質들이 靑刈收量에 미치는 直接 및 間接效果

• 영문명: Direct and indirect effects of important traits on green fodder yield in crosses of male sterile and fertile inbred lines of pearl millet(pennisetum americanum L. leeke)
• 발행기관: 한국육종학회
• 저자명: Byung Han Choi(崔炳漢) Keun Yong Park(朴根龍) Rae Kyeong Park(朴來敬)
• 간행물 정보: 『한국육종학회지』Vol.21 No.2, 51~57쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1989.06.30

영문 초록

It is important to decide what traits should be considered in selecting parental lines for crosses between cytoplasmic, genic male sterile seed parents and fertile pollen parents for higher green fodder yield of newly developed hybrids of pearl millet. The objective of the study was to examine the direct and indirect effects of the important traits on green fodder yield and their associations in crosses of cytoplasmic, genic male sterile seed parents and fertile pollen parents. Consistent positive direct effects on green fodder yield were detected for culm and plant height and tillers per plant. Black streaked dwarf virus incidence appeared to have negative direct influence in determining green fodder yield. Particularly in saline soil, seedling emergence rate and plant height had the most significant positive influence on green fodder yield. The indirect effects of heading date was high and positive via plant height and seedling emergence rate. High coefficients of determination for green fodder yield with plant height and culm length were also detected in crosses of cytoplasmic, genic male sterile seed parents and fertile pollen parents.

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