![]() ![]() The susceptibility of the grains to weevil infestation was measured by feeding, consumption and reproductive activities of insect populations. Specific traits associated with these grain tissues were: phenolic acids (pericarp, embryo), proteinase inhibitors (endosperm, embryo) and hardness of grain (pericarp, endosperm, embryo). The genetics of maize grain resistance to the maize weevil, Sitophilus zeamais Motsch., infestation was analyzed by means of additive linear models which considered genetic contributions of maize caryopsis through embryo, endosperm and pericarp.
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