The genetics of phytic acid content in pearl millet (Pennisettum typhoides (Burm) S & H) was studied using a 12 parent diallel. The analysis of variance of diallel progenies exhibited significant genotypic differences. Different analyses, i.e., combining ability analysis, analysis of variance of diallel tables and genetic component analysis, showed that both additive and non additive gene effects were significant. It is suggested that a population improvement is possible by breeding for low phytic acid cultivars of pearl millet.
The study of phenolic content and activities of peroxidase and polyphenoloxidase in relation to the degree of downy mildew infection of 12 pearl millet cultivars revealed that these were linearly related to the degree of resistance at both the 30 and 50 day growth stages. Useful electrophoretic differences in peroxidase and polyphenoloxidase were also observed with respect to the expression of resistance.
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