Environmental Entomology (1983) 12, 376-379

Gerald Wilde and Rudy Apostol (1983)
Armyworm (Lepidoptera: Noctuidae) resistance in rice
Environmental Entomology 12 (2), 376-379
Abstract: A method for screening seedling and older rice plants for resistance to Mythimna separata (Walker) and Spodoptera mauritia acronyctoides (Guenee) was developed. In all seedling stage tests, many entries were readily fed upon, and when the most susceptible entries were consumed, the nonpreferred varieties were also heavily damaged. The most resistant varieties in the seedling stage were those belonging to the wild rice groups, especially group II, which has a different genomic constitution than Oryza sativa. In tests involving older plants, IR20, IR46, and B-441-B-126-1-2-3 were heavily damaged when infested with 2nd- and 3rd-instar larvae.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)

Research topic(s) for pests/diseases/weeds:
resistance/tolerance/defence of host

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Spodoptera mauritia	Rice (Oryza)
	Mythimna separata	Rice (Oryza)