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Maize silk-browning, maysin content, and antibiosis to the corn earworm, Helicoverpa zea (Boddie)






Maydica 41(1): 13-18

Maize silk-browning, maysin content, and antibiosis to the corn earworm, Helicoverpa zea (Boddie)

Silks of some maize (Zea mays) genotypes turn brown after wounding, while those of other genotypes do not change colour. The browning response involves the oxidation of flavones to quinones and is believed to be controlled by the p1 locus. A flavone glycoside known as maysin occurs in silks of many genotypes, is a growth retardant to the corn earworm (CEW; Helicoverpa zea) and is among the compounds that undergo a browning reaction.

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Accession: 002889125



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