Estimating Economic Thresholds for Bollworm, Heliothis zea Boddie, 1 and Boll Weevil, Anthonomus grandis Boh., 2 Damage in Nicaraguan Cotton, Gossypium hirsutum L. 3

Publisher Website
Google Scholar
Abstract
The interaction between bollworm and boll weevil and cotton development has been assessed under the climatic conditions of Nicaragua. The ratio of the rate of fruit point production to the rate of cumulative fruit damage (βT/β2) has been used to assess final yields in treated and untreated fields. An economic decision rule for pesticide applications was developed from these data.