稻纵卷叶螟在我社、队稻田中早期活动比较隐蔽,为害很轻,往往容易被忽视而贻误防治适期,造成为害。受害稻田一般减产10％左右,严重的达20％以上。经过我们几年观察、试验证明,只要掌握了它的活动为害规律,搞好预测预报工作,抓住防治适期,就能防止为害。 Rice leaf roller in our community, team rice fields in the early activities of the more subtle, very damaging, often easy to be ignored and delaying the appropriate period of prevention and control, causing harm. Damage to the paddy fields generally cut about 10%, a serious 20% or more. After several years of our observation, the experiment proves that as long as it masters the rules of its activities, does a good job of forecasting and forecasting and seizes the appropriate period of prevention and control, it can prevent harm.