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RISS 인기검색어
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- 저자 : H. K. Pyo(表鉉九) (검색결과 3 건)
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무우의 抽臺, 開花 및 其他 몇가지 形質의 遺傳에 關한 硏究
W. M. YOON(尹禾模),H. K. PYO(表鉉九) 한국육종학회 1977 한국육종학회지 Vol.9 No.1
This study was carried out to learn some informations for selection by investigating the inheritance of some characters and their heritabilities in the crosses between Korean and Japanese type of radishes. Red color showed dominance to colorless in hypocotyl and inflorescence junction, and it seemed to be controlled by one gene difference. The color of root-top was supposed to be governed by two duplicate genes. Continuous distributions were shown such morphological characters as number of parted leaflets, root length, root diameter and root shape index in F₂ population. It was assumed that polygenes might be related with the number of parted leaflets, root lenth and root diameter and a few major and minor genes with root shape. Polygenic control might be observed in root weight which was influenced, to a large extent, by the environmental conditions. Earliness was proved to be almost complete dominance in days to bolting and flowering. Means of F₂ populations were inclined to earliness and the distribution showed like a discontinuous curve, thus a few major genes governing bolting and flowering, and the minor genes deranging the activities of major genes. The narrow sense of heritabilities for seven characters mentioned above ranged from 0.473 to 0.990. In particular, those for days to bolting and flowering were high. Root diameter and root weight demonstrated the high heterotic effects and the latter severe inbreeding depression.
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D. G. Oh(吳大根),H. K. Pyo(表鉉九),S.S. Lee(李洙聖),J. Y. Yoon(尹震映) 한국육종학회 1982 한국육종학회지 Vol.14 No.1
Employing a set of six parent diallel crosses, the heterosis and inheritance mode of days to bolting and flowering were studied in Chinese cabbage. Mean heterosis was significant in days to bolting but not in days to flowering. High heritability was observed in both characters. A common major gene was postulated to explain the inheritance of over the lateness.
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S. J. Kim(金丞鎭),H. D. Kim(金炯渡),H. K. Pyo(表鉉九) 한국육종학회 1983 한국육종학회지 Vol.15 No.2
Studies were conducted on the inheritance of side-shootlessness in tomato using the side-shootless mutants ‘ls’ and ‘bl’. In F₂ progenies of ‘ls’ × ‘bl’, normal and side-shootless plants segregated in the ratio of 9:7. In side-shootless plants number of side-shoots varied from 0 to 8. In F₂ progenies of ‘ls’ × ‘bl’ indeterminate and determinate plants did not segregate in the ratio of 3:1. The same results were obtained from F₂ progenies of three way crosses and true breeding lines of ‘ls’ and ‘bl’ tomato. It was supposed that ‘ls’ or ‘bl’ gene has a recessive epistastic effect on Sp gene. In determinate progenies the number of self-pruning cluster varied from 1 to 10. Side-shootless plant with normal flower and above 4 flowers per cluster was not observed. Number of flowers per cluster varied considerably according to the phenotype of the F₂ progenies of ‘ls’ × ‘bl’. Number of seeds per fruit varied considerably according to the phenotype of the F₂ progenies of ‘ls’ × ‘bl’.
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