鸭梨是河北省出口的拳头产品,鸭梨套袋栽培,可以收到很好的经济效益。但近几年假袋数量猛增,使果农遭受很大损失,应引起特别注意。 河北省农科院石家庄果树研究所生产的果实袋,经国家注册商标为“海河牌”梨防虫果实袋。该果实袋是由该所刘承晏研究员三次赴日本考察,反复试验研制出的适合我国梨园的梨防虫果实袋及苹果、桃、芒果、葡萄等果实袋, Yali pear exports in Hebei Province is a leading product, pear bagging cultivation, you can receive very good economic returns. However, in recent years, the number of fake bags soared, so that farmers suffered a great loss, should cause special attention. Hebei Province Academy of Agricultural Sciences Shijiazhuang Fruit Research Institute produced fruit bags, the country registered trademark for the “Haihe” Pear pest control fruit bags. The fruit bag is researched by Dr. Liu Chengyan three times to Japan, and the pest-proof fruit bag and the fruit bag such as apple, peach, mango and grapes which are suitable for Chinese pear garden have been tested experimentally.