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已读[293] 发布: 2013/05/22 14:19:07
Chambersburg Public Opinion Conventional insecticides such as carbaryl (Sevin), malathion , pyrethroids and methoxychlor are also effective but will kill natural enemies of these pests as will rotenone and pyrethrin, both organic products. Be sure to hit the underside of leaves ...
已读[55] 发布: 2013/05/21 15:18:39
该药剂具有胃毒作用,杀虫机理为利用苏云金杆菌产生毒素,感染害虫。主要防治鳞翅目幼虫,能有效地防治刺蛾、螟蛾、尺蛾、夜蛾等害虫。稀释倍数为1:800~1000倍,...
已读[185] 发布: 2013/05/21 15:18:30
瓜绢螟:用50%库龙800倍液、50%杀螟松1000倍液或苏云金杆菌制剂等喷药防治; 瓜实蝇:用48%乐斯本1000倍液、90%敌百虫1000倍液或80%敌敌畏1000倍液喷药防治。...
已读[97] 发布: 2013/05/21 15:17:35
eNews Park Forest Least-toxic Pesticide Options – Use Bacillus thuringiensis israelensis (Bt), a biological larvicide (“mosquito dunk”) that prevents mosquitoes from developing into breeding, biting adults in standing waters that cannot be drained. • Take Action – Let ... and more »
已读[3261] 发布: 2013/05/21 14:27:34
20%丁硫克百威乳油;5%唑螨酯乳油;40%阿维・炔螨特乳油;1.8%阿维菌素乳油;48%毒死蜱乳油 蚧类 48%毒死蜱乳油;25%噻嗪酮可湿性粉剂(含量不低于25%);0.5...
已读[73] 发布: 2013/05/20 20:36:57
Canada NewsWire (press release) The aerial pesticide spray application will apply Bacillus thuringiensis subspecies kurstaki (Btk) - (Product name: Foray 48B - Biological Insecticide Pest Control Product (PCP) Act Registration Number 24977) to control Gypsy Moth outbreak populations ... and more »
已读[144] 发布: 2013/05/20 15:33:54
Kansas City infoZine Some might prefer environmentally friendly pesticides such as neem oil or Bt ( Bacillus thuringiensis ). For large areas or where infestation is intense, over-the-counter options include Sevin, which contains carbaryl. Caterpillar tents are water ...
已读[89] 发布: 2013/05/20 15:33:51
Biofortified Blog Instead, the paper says they used “spore-crystals Cry1Aa, Cry1Ab, Cry1Ac and Cry2Aa from B. thuringiensis var. kurstaki were obtained in lyophilized form”. Some Bacillus thuringiensis bacteria can go dormant, forming a spore, and form crystals around ...
已读[71] 发布: 2013/05/20 15:33:41
Business Mirror “The Bt [ Bacillus thuringiensis ] corn and soya plants that are now everywhere in our environment are registered as insecticides. But are these insecticidal plants regulated and have their proteins been tested for safety? Not by the federal departments ...
已读[399] 发布: 2013/05/20 15:22:30
防治吸汁类害虫,可用10%吡虫啉可湿性粉剂3000倍液,或25%噻嗪酮可湿性粉剂1000倍液,或0.3%印楝素乳油300―600倍液,或10%联苯菊酯乳油4000倍液,或25%噻虫嗪...
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