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KMID : 0613820050150030365
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Journal of Life Science
2005 Volume.15 No. 3 p.365 ~ p.373
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Vr-Wr Analysis of Yield Characters in Cotton
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Choi Joo-Ho
Lee Shin-Woo
Lee Cheol-Ho
Chun Hyun-Sik
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Abstract
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The quantitative inheritance of some yield characters in Gosyium spp was carried out by means of a 10×10 diallel cross. In this study, 45 combinations of F₁and F₂generations were genetically analyzed through 10 different cultivars diallel cross population of cotton (Gosyium spp) at an experimental field. The results of Vr-Wr graph analysis of six characters such as number of boll, boll weight, lint weight per boll, 100 seeds weight, fiber fineness and fiber length in those combinations by the Hayman’s method were as follow: 1. The significant difference was observed from the genetic variance of all the examined characters. 2. On based the Vr-Wr graphical analysis, F1 showed a complete dominance in all the experimental characters except boll weight, lint weight per boll and fiber fineness, but the dominance degree and gene arrangement of F₂were somewhat different from those of F₁.
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