Yield contributing economic traits in upland cotton
Paper Details
Yield contributing economic traits in upland cotton
Abstract
The study was conducted to find correlation between different economic traits in cotton using 10 parental genotypes and their 45 F1 hybrids. The study revealed that plant height had positive correlation with number of sympodial branches per plant (r= 0.359), number of bolls per plant (r= 0.255), fiber length (r= 0.220) and seed cotton yield (r= 0.206) while plant height negatively correlated with fiber fineness (r= -0.299). Monopodial branches per plant had positive correlation with sympodial branches per plant (r= 0.317), number of bolls per plat (r= 0.655) and seed cotton yield (r= 0.418). Sympodial branches per plant had positive correlation with number of bolls per plant (r= 0.397) and seed cotton yield (r= 0.163). Number of bolls per plant showed positive correlation with seed cotton yield (r= 0.596), while number of bolls per plant had negative correlation with fiber length (r= -0.158). Boll weight had positive correlation with number of seeds per boll (r= 0.613) and seed cotton yield (r= 0.527). Number of seeds per boll had positive correlation with fiber length (r= 0.201) and seed cotton yield (r= 0.243). Ginning out turn percentage showed positive correlation with fiber length (r= 0.184) while this trait had negative correlation with fiber fineness (r= -0.194). Fiber length showed positive correlation with fiber strength (r= 0.220) while fiber length and fiber strength negatively correlated (r= -0.548) and (r= -0.188) with fiber fineness, respectively. So, it was concluded that for improvement in yield careful selection should be done for the traits which control yield.
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