in a study of two cotton varieties, MCU 5 and MCU 9 for four years during winter and summer seasons, it has been brought out that both the varieties could be grown successfully in summer as well as winter seasons. Better seed cotton yield was recorded in summer than winter. MCU 9 was found to gin bettet then MCU 5. MCU 9 between the varieties and winter seeson among the two seasons have been observed to be better for improving the lint index. Both the varieties were equal in mean fibre length. The characters mean fibre lenath. fibre fineness and maturity coefficient were not influenced by environmental factors. The fibres produced during summer season wera noted to possess better bundle strength.
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