一、果园清园消毒的重要性 冬季果树生长停止,进入休眠期。在果树上为害的病虫,由于环境条件,特别是温度的影响,它的生活史由生长发育阶段进入越冬阶段,以各种固有的越冬形态,在各种不同的越冬场所潜伏下来。直到春季气温回升,树液流动,枝叶开始萌发时,各种病虫又从越冬阶段转入生长发育阶段为害果树。 First, the importance of disinfection of the orchard Qingyuan Winter fruit trees stop growing, into the dormant period. Insects and pests harmed on fruit trees, due to environmental conditions, especially temperature, have their life history entering the overwintering stage from the growth and development stage and lurking in various overwintering places with various overwintering forms. Until the spring temperatures rose, the sap flow, foliage began to germinate, all kinds of pests and diseases from the winter stage into the growth and development stages of fruit trees.