쌀 胚乳의 Alkali 崩壞性의 遺傳 Ⅱ. 高ㆍ中ㆍ低 Alkali 崩壞性 組合에서 雜種種字 (F₁)의 Alkali 崩壞性의 表現과 그 遺傳分離

• 영문명: Genetic Behavior of Alkali Digestibility in Rice Endosperm Ⅱ. Alkali Digestibility of Hybrid Seeds (F₁) and F₂ Grains in the Crosses among Low, Intermediate and High ADV Parents
• 발행기관: 한국육종학회
• 저자명: S.Z. PARK(朴淳直) M.H. HEU(許文會)
• 간행물 정보: 『한국육종학회지』Vol.13 No.1, 14~19쪽, 전체 6쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1981.04.30

영문 초록

Alkali digestibility value (ADV) were tested for the F₁ and F₂ seeds of the crosses among low, medium and high ADV parents. Hybrid seeds of seven possible different combinations among low, medium and high ADV parents, i.e. LLL, LLM, MML, MMM, MMH, HHM, and HHH, were obtained at high and low temperature utilizing cytoplasmic male sterility to minimize the influences of hybridization operations. ADV of seven different hybrids LLL, LLM, MML, MMM, MMH, HHM, and HHH were 1.25, 1.63, 1.80, 3.43, 4.68, 4.95, and 5.67 at high temperature and 1.82, 4.00, 4.19, 6.38, 6.38 6.38 and 6.50 at low temperature respectively. ADV of F₂ seeds turned out 3 low to 1 medium in the cross of low and medium ADV parents while no theoretical value observed in the cross of medium and high ADV parents at both temperature conditions. From the results it was concluded that the ADV is controlled by one major gene, low ADV being dominant over medium ADV, and a few minor genes which modifying the ADV of different medium 1 low dosages of endosperm, while the dosage effect of high ADV to medium ADV appeared to be additive at high temperature only. All the combinations showed significantly high ADV value at the low temperature, and the temperature effects were higher in the M-ADV combinations.

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