防治田间红铃虫,目前主要仍然是使用化学农药。但在使用化学农药前,由于很难查准田间虫态,并据以合理掌握防治对象田和防治时间,从而不便于开展群众性的查虫打药工作。我们通过对红铃虫产卵规律、棉花生育指标、棉田距虫源远近等的调查观察,发现它们之间有一定的相关性。根据这种相关性再结合田间查卵,就可确定第一、 Prevention and treatment of field pink bollworm, the main still use chemical pesticides. However, prior to the use of chemical pesticides, it is not convenient to carry out mass checkworms because it is very difficult to check the insect status in the field and control the target fields and the time for prevention and control accordingly. Through the survey of the oviposition behavior of cotton bollworm, the index of cotton growth, the distance from the source of the cotton plant, we found that there is a certain correlation between them. According to this correlation combined with field ovulation, you can determine the first,