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Journal of Biological Sciences

Year: 2001 | Volume: 1 | Issue: 3 | Page No.: 120-123
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Authors

Muhammad Subhan

Himayat Ullah Khan

Riaz-ud-Din Ahmad

Keywords

Research Article

Population Analysis of Some Agronomic and Technological Characteristics of Upland Cotton (Gossypium hirsutum L.), Using Diallel Analysis

Muhammad Subhan, Himayat Ullah Khan and Riaz-ud-Din Ahmad
Significant differences among hybrids and their parents were noted in number of bolls per plant, seeds per boll, and lint percentage (GOT), exposed additive type of gene influence while Vr/Wr graphs indicated over-dominance type of gene action for seed cotton yield per plant. The non-significant deviation of regression line from unit slope indicates the absence of non-allelic interaction in number of bolls per plant, yield of seed cotton, and seeds per boll showing absence of epistasis which provides positive out lines for isolating superior genotypes. The significant deviation from unit slope indicates the presence of epistasis in lint percentage (GOT) which confirmes its less effectiveness from selection point of view.
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