一、药剂熏蒸法熏蒸法主要防治侵入果实内的病害。先将梨用塑料薄膜密封,然后将熏蒸剂(如乙醛)放入密封塑料薄膜内,使塑料薄膜内熏蒸剂浓度达到0.5%,保持180分钟,或使塑料薄膜内熏蒸剂浓度达到1%,保持120分钟。二、药液浸泡法此法主要防止梨采收后受病菌侵染。将梨用400倍4%农抗120果树专用型液浸泡50分 First, fumigation Pharmacy fumigation law mainly to prevent the invasion of diseases within the fruit. First pear plastic film seal, and then the fumigant (such as acetaldehyde) into a sealed plastic film, the plastic film fumigant concentration of 0.5%, for 180 minutes, or the plastic film fumigant concentration of 1% Hold for 120 minutes. Second, the liquid soaking method This method to prevent pear infection by the bacteria. Soak the pear with 400 times 4% of agricultural 120 fruit-specific liquid immersion 50 minutes