버어리種 담배(nicotiana tabacum L.)의 主要 量的形質에 對한 遺傳分析 2. F₁, F₂世代의 組合能力

• 영문명: Inheritance of agronomic and chemical characters in burley tobacco(nicotiana tabacum L.) Ⅱ3 Combining ability in F₁and F₂generation
• 발행기관: 한국육종학회
• 저자명: Chun Joon Jo(趙天俊) Kyung Soo Min(閔庚洙)
• 간행물 정보: 『한국육종학회지』Vol.19 No.2, 1~9쪽, 전체 9쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1987.06.30

영문 초록

Ten burley varieties of Nicotiana tabacum L., 45 F₁ hybrids and 45 F₂ populations among them were evaluated at Jeonju Experiment Station, Korea Ginseng & Tobacco Research Institute in 1985. Estimated variance for general combining ability (GCA) was highly significant for all eleven characters studied. Specific combining ability (SCA) variance was also significant for all characters except leaf length in F₂ generation, but conspicuously smaller than that of GCA. Highly significant positive GCA effects were observed for yield in White Burley, TI 1068. But in Aurelius and L8, negative GCA effects were observed for most of characters. The correlations of parental GCA effects and their ranks between F₁ and F₂ generations were significantly positive. White Burley x L8, Ky 17 x L8, Va 509 x L8 and Ky 12 x L8 expressed relatively high SCA effects for yield. And Burley 21 x Va 528, Ky 12 x TI 1068 and Va 528 x Ky 17 showed high SCA effects in the direction of decreasing the total alkaloid content.

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