Indica×Japonica 交雜에 있어서 米粒의 Alkali 崩壞性의 遺傳

• 영문명: Inheritance of Alkali Digestibility of Rice Grain in the Indica × Japonica Crosses
• 발행기관: 한국육종학회
• 저자명: M. H. Heu(許文會) Z. R. Choe(崔震龍)
• 간행물 정보: 『한국육종학회지』Vol.5 No.1, 32~36쪽, 전체 5쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1973.06.30

영문 초록

In order to investigate the inheritance of alkali digestibility of milled white rice in Indica x Japonica crosses, 2 Indica varieties (CP_(231)-SLO_(17) and BPI-76) and 4 Japonica varieties(Palkweng, Suwon 118, Norin 42, and Chianung 242) were crossed each other, and the milled white rice of parents, F₁s and F₂s were treated with 1.70% of potassium hydroxide solution at 30℃ for 18 hours long. The alkali digestibility of individual grains were numerically scored in accordance with a reading scale (Index) which divided into 7 grades. The results obtained were summarize das follows; 1) Low digestibility seemed to be dominant over high digestibility in Indica × Japonica crosses. 2) The distribution of alkali digestibility grade of F₂seeds in Indica × Japonica crosses were not continuous and segregated into 3 low and 1 high, and the results indicate that the alkali digestibility of milled white rice in Indica × Japonica crosses is controlled by a single gene. 3) The reciprocal effects of alkali digestibility was not detected both in F₁and F₂seeds.

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