1回의 循環選拔을 거친 배추 集團에 殘存하는 遺傳變異

• 영문명: Residual Genetic Variances on Two Chinese Cabbage Population after One Cycle of Recurrent Selection
• 발행기관: 한국육종학회
• 저자명: J. Y. YOON(尹震映) R. T. OPENA
• 간행물 정보: 『한국육종학회지』Vol.8 No.3, 36~40쪽, 전체 5쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1976.09.30

영문 초록

Estimates of various components of genetic variance and heritability were obtained using North Carolina Design I for total plant weight, head weight and days to maturity on two Chinese cabbage populations, 189C₁ and 129C₁, that had each undergone one cycle of recurrent selection. Correlations between mean of selfed progenies (S₁) and half-sibs were also investigated. Average degrees of dominance for head weight and days to maturity were in the range of no or partial dominance in population 129C₁ while they were within complete or over-dominance range in 189C₁. Average degree of dominance for total weight showed the opposite trend to the two above-mentioned characters in both populations. Although the genetic systems are implied to be in. the additive range, estimates of heritability were lower in 129C₁ compared to 189C₁ for both total weight and head weight. These were attributed to the greater environmental susceptibility of the former population. Correlations between mean performance of S₁ and half-sibs were highly significant for all three characters in population 129C₁ but not for any one character in population 189C₁. The implications of the above results in future improvement programs involving these populations were also discussed.

목차

ABSTRACT

MATERIALS AND METHODS

RESULTS AND DISCUSSION

摘要

LITERATURE CITED