Control of Diamondback Moth on Head Cabbage, 1992

Abstract

Seedlings of K-K Cross cabbage were transplanted on 11 Jun in a soil classified as clayey, gibbsitic, nonacid, isohyperthermic Lithic Ustorthents in Yigo, Guam. A plot consisted of four 1.2 m rows with the length of 3.7 m. There were 8 plants per row. Three treatments were replicated 3 times in a randomized complete block design. Treatments were applied with back-pack sprayers on 22 and 28 Jul. Numbers of larvae and pupae/6 plants in two inner rows were recorded on 20, 22, 24, 27, 30 Jul, 5 and 6 Aug. Plants were harvested on 11 Aug. wt, width and length of 10 heads per replication were recorded.