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近年来,桃树虫害发生日趋严重,一般果园受害率达20%左右,靠近村边或周围树木多的桃园,果实受害率达60—70%,失去食用价值和商品价值,为此,1992年我们在阜城县卢店村桃园进行了套袋防虫试验,取得了良好效果。试验证明,桃果套袋果面洁净,果实上色均匀,色泽艳丽,农药残留量低,且保护了天敌。为发挥桃果套袋的应有效果,广大果农应用此技术时应注意以下几点:1.套袋制作。选用长15厘米、宽12厘米的报纸制成信封状纸袋。纸袋用无色透明胶水粘合(用浆糊粘合易发霉,引起桃果局部腐烂)。
In recent years, Peach tree pests have become more and more serious. The damage rate of common orchards is about 20%. Near Taoyuan or more trees around the village, the damage rate of fruit reaches 60-70%, losing the food value and the commodity value. Therefore, in 1992 We are in Fucheng County, Lu Village, Taoyuan bagging pest control test and achieved good results. Test proved that peach fruit bagging surface clean, uniform fruit color, beautiful color, low pesticide residues, and protect the natural enemies. Peach fruit bagging to play its due effect, the majority of farmers should pay attention to the following points when using this technology: 1. Bag making. Use 15 cm long, 12 cm wide newspaper made of envelopes paper bag. Paper bag with a colorless transparent glue (with adhesive paste moldy, causing peach local decay).