参加水稻害虫组讨论的代表共26人,提交论文24篇。代表们分别对稻飞虱、稻纵卷叶螟、螟虫等害虫的防治策略、损失率测定及为害程度与产量损失的关系、经济损失的允许水平及防治指标与研究方法等进行热烈的讨论。代表们一致认为制定“防治指标”首先应考虑到害虫的种群密度、 A total of 26 representatives participated in the discussion of the rice pest group, and 24 papers were submitted. The delegates discussed the control strategy, the loss rate, the relationship between the degree of harm and the yield loss, the allowable level of economic loss, the prevention and control index and the research methods of the rice planthoppers, rice leaf roller, rice stem borer and other pests. Representatives agreed that the formulation of “prevention and control indicators” should first take into account pest population density,