Diallel Analyses of Kernal Carbohydrates in Sweet Corn (Zea mays L.)
1971
Rosenbrook, R. W. | Andrew, R. H.
Kernel samples from all possible F₁ combinations among eight inbred lines of sweet corn, including reciprocals, were analyzed quantitatively for reducing sugars, sucrose, and water-soluble polysaccharides. The F₂ kernels produced on a diallel set of F₁ plants involving five of the inbreds were analyzed also. Analysis of covariance was used to remove the effects of maturity (percent moisture) on the carbohydrate fractions. Genotypic variability for reducing sugars, sucrose, and water-soluble polysaccharides was partitioned into general and specific combining ability variances. Highly signiifcant GCA variances and nonsignificant SCA variances for each character indicate the inheritance of these carbohydrate fractions is highly additive. GCA effects corresponded closely in relative rank with inbred means.
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