5%神农丹颗粒剂防治栗瘿蜂试验

Control Test of 5% Shennongdan Granule to Dryocosmus kuriphilus Yasumatsu

用不同剂量的５％神农丹颗粒剂对江川、峨山不同年龄板栗园防治栗瘿蜂的试验表明：以根幅土内环状施药的方法，对成龄栗园株施１８０ｇ以上（可达２００～２５０ｇ／株），幼龄栗园株施９０～１２０ｇ防治栗瘿蜂能获得显著效果。该药剂成本低、药效长、省工省事，是目前较理想的防治栗瘿蜂药剂。

Tests of controlling Dryocosmus kuriphilus with 5% Shennongdan granule(1 kind of carbamate insecticide)were carried out on differentaged chestnut orchards respectively located in Jiangchuan and Eshang county.The test results indicated that dusting chestnut trees with 5%Shennongdan granuleby rhizosphere application could control the pest effectively.The suggestive dose per tree for adult and juvenile chestnut trees were 200250g and 90120g respectively.