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Pakistan Journal of Biological Sciences
Year: 2000  |  Volume: 3  |  Issue: 6  |  Page No.: 1049 - 1051

Genetic Correlation and Path Coefficient Analysis of Oil and Protein Contents and Other Quantitative Characters in F2 Generation of G. hirsutum L.

Manzoor Ahmad and Faqir Muhammad Azhar    

Abstract: The analyses of genetic correlation and path coefficient were made using 56 F2 families and their 8 parents of G. hirsutum L. It was revealed that number of bolls and lint percentage had positive and significant relationship with seed cotton yield, boll weight, lint index, staple length and fibre fineness. Boll weight showed strong association with lint percentage, fibre fineness and plant yield. Staple length and fibre fineness exhibited positive correlation with plant yield. Oil and protein contents were positively related with almost all the characters studied in the present investigations. Path analysis revealed that number of bolls and boll weight made the greatest contribution towards seed cotton yield. In addition boll weight, lint percentage, lint index, staple length, fibre fineness and protein content also affected plant productivity through number of bolls. However oil content contributed via boll weight.

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