论文部分内容阅读
据近年实地调查和实践,防治棉铃虫既要做到实际、实用、实效,又要着眼于长远,尽快摆脱严重抗药性的困扰。从提高防治效果和治理抗性两方面来制定防治策略,并坚持综合治理和系统防治相结合。具体应抓好: 四个步骤 一、准治一代。摸清虫情,把麦田棉铃虫除治在低龄期,提高防效,减少虫源。这一仗打好了,全年的棉铃虫防治工作就有主动权。 二、严治二代。抓住春播作物少、棉棵小、棉铃虫发生比较集中的特点,抓准关键时期,综合运用多种措施,有力、高效的除治。
According to the field investigation and practice in recent years, it is necessary to achieve practical, practical and effective prevention and treatment of cotton bollworm while also focusing on the long-term as soon as possible to get rid of serious drug resistance problems. From prevention and control to enhance the effectiveness and control of resistance to formulate prevention and control strategies, and adhere to the combination of integrated management and prevention and treatment. Specific should do a good job: a four-step, prospective generation. Get rid of the worms, the cotton field bollworm in addition to governance at a younger age, improve control efficiency and reduce insect sources. This fight has been fought, and the annual control of cotton bollworm has the initiative. Second, strict governance II. Seize the spring planting less crops, small cotton trees, cotton bollworm occurred more concentrated characteristics of grasping the critical period, the comprehensive use of a variety of measures, powerful and efficient governance.