１果袋选择应选用耐用性强，具有一定透光性，经过防水和防虫处理的纸袋。２套袋时间套袋的适宜时间为落花后１５～４５天。过晚则果点大，锈斑大，且果实颜色也较适时套袋的深；由于砀山酥梨幼果果柄较粗硬，套袋过早易造成落果。３套袋方法套袋前将袋口喷少许水使之返潮... 1 fruit bag selection should use durable, with a certain light, after the water and pest control paper bag. 2 bagging time suitable for bagging 15 to 45 days after falling. Too large fruit spots, large rust spots, and the fruit color is also more timely bagging deep; as Dangshan pear fruit stalks harder, too easy to cause bagging before falling fruit. 3 bagging method bagging a little water before bagging make it damp ...