Observational analysis shows boll number significantly impacts yield in upland cotton, implying breeding focus.
Correlations and path coefficlents between yield and its components were studied in 5 genetic populations (P₂, Pa, F1. Fs. and Fs) in upland cotton. From the component characters, only boll number and sympodes had positive and highly significant correlation with yield. The path coefficient analysis revealed that boll number had high positive direct effects on yield in cotton. All the characters studied also contributed indirectly via sympedes and boll number for yield of seed cotton.
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D.P et al. (1981) studied this question.
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