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狼毒;把捣烂后的狼毒1份加水16份,煮30分钟,取滤液防治松毛虫、洋槐蚜虫等害虫,喷药72小时后,死亡率达92%。如将狼毒根晒干碾成细粉,整地时放入沟内,每亩用量3公斤,可防治地下害虫。芜花:把芜花茎切成小段或磨成粉调成糊状,塞入树干蛀孔内,防治天牛幼虫,效果良好。如将芜花茎捣碎或晒干碾成细粉,拌入肥料中施用,可防治地老虎、金针虫、蝼蛄、蛴螬等害虫。用嫩茎、叶1公斤榨出液,加水100公斤,再在其稀释液中加煤油250克、火碱100克,可防治金龟子、蝽象及柿毛虫,防治效果达90%左右。
Stellera chamaejasme; After the smashed Stellera chamaejala 1 16 parts of water, cook for 30 minutes, take the filtrate control pine caterpillar, acacia aphids and other pests, spraying 72 hours, the mortality rate of 92%. Such as the Wolf’s root sun-dried into fine powder, into the ditch when the soil preparation, the amount of 3 kg per mu, can control underground pests. Wuhu: cut into small pieces of stalks or ground into a paste into a paste, stuffed into the trunk hole, the control of Tian cow larvae, the effect is good. Such as the stalk or dried stems crushed into flour, mixed with fertilizer application, can be controlled to the tiger, pinworm, 蝼 蛄, 蛴 螬 and other pests. With the tender stems, leaves 1 kg of squeezed liquid, add water 100 kg, and then added to the diluent in the 250 grams of kerosene, caustic soda 100 grams, can prevent beetles, stink bugs and persimmon, control effect of 90%.