Evaluation of Biological Insecticides for Control of Beet Armyworm in Lettuce
A field study was conducted at Yuma in 1990 to examine the efficacy of several biological insecticide formulations on beet armyworm in seedling lettuce. After a single application at thinning, none of the insecticides adequately reduced larval populations below damaging levels. Reductions in plant s...
| Main Authors: | , , |
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| Language: | en_US |
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College of Agriculture, University of Arizona (Tucson, AZ)
1991
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| Online Access: | http://hdl.handle.net/10150/221457 |