Survival of the european corn borer on Opaque-2 corn hybrids and their normal counterparts
Material type: ArticleLanguage: English Publication details: United Kingdom : Oxford University Press, 1972.ISSN:- 0022-0493
- 1938-291X (Online)
Item type | Current library | Collection | Call number | Status | Date due | Barcode | Item holds | |
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Article | CIMMYT Knowledge Center: John Woolston Library | Reprints Collection | Available |
Survival of Ostrinia nubilalis (Hübner) on 6 opaque-2 corn hybrids and their normal counterparts was compared by artificially infesting each plant with 3 egg masses and determining the number of corn borers present 2, 4, and 10 weeks after egg hatch. Borer survival was higher on opaque-2 hybrids at 2 and 4 weeks but not at 10 weeks, and the extent of tunneling was higher on opaque-2 hybrids at all 3 periods. An increased incidence of borers and tunnels was induced by biological changes caused by the opaque-2 gene other than the lysine concentration. The results will have practical significance, since opaque-2 hybrids may become widely used.
Text in English