Author： FOSTER J. E. GALLUN R. L.
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.65, Iss.3, 1972-05, pp. : 750-754
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Abstract
When a greenhouse population of Race B. Mayetiola destructor (Say) was flooded with the Great Plains race in ratios of 1:1, 2:1, 4:1, 9:1, and 19:1, the rate of growth of Race B was suppressed by releases with 1:1, 2:1, and 4:1 compared with the release of Race B alone (0:1). Control of the population of Race B was achieved by making 4 releases at a ratio of 9:1 or 2 releases at a ratio of 19:1.
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