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Control of Corn Earworm on Cabbage, 1978

1981; Volume: 6; Issue: 1 Linguagem: Inglês

10.1093/iat/6.1.63a

0276-3656

Larry M. Stevens, Rosalie Kikuchi,

Entomopathogenic Microorganisms in Pest Control

Abstract The test was located at the Agricultural Experiment Station in Inarajan, Guam. Seedlings were transplanted into the field (volcanic ash with a Mariana limestone base) on Apr 6, 1978. Each plot consisted of three rows 20 ft long and 4 ft apart. Each row consisted of 10 plants. A randomized complete block design with three replications was used. There were two treatments plus a control. Treatments were applied starting on Apr 10 and continued every four days until Jun 19. Heliothis spp. damage was assessed on May 23 and Jun 5 by counting the number of larvae per plant and then determining the percentage of infested heads.