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已读[1250] 发布: 2013/05/24 13:28:40
可以选用氯虫苯甲酰胺、阿维菌素、甲氨基阿维菌素、茚虫威、呋喃虫酰肼、丙溴磷等药剂。 螟虫 因地制宜采取非化学防治措施,春季越冬代螟虫化蛹期及双季稻区早稻...
已读[75] 发布: 2013/05/23 23:55:35
insideTORONTO.com The spraying will likely close Kennedy for about five minutes, said Kelly, who shares the city's conclusion the insecticide called Bacillus thuringiensis subspecies kurkstaki, or Btk, won't harm humans or other animals who are exposed. “The spray has ... and more »
已读[191] 发布: 2013/05/23 15:32:43
每亩可用16000IU/毫克苏云金杆菌可湿性粉剂1:800倍液;2.5%多杀霉素悬浮剂1:1000倍液;10%虫螨腈悬浮剂1:2000倍液;5%氯虫苯甲酰胺悬浮剂1:2000倍液,任选一...
已读[73] 发布: 2013/05/23 15:30:37
Dallas Morning News I'd spray liquid Bti ( Bacillus thuringiensis israelensis) for the mosquitoes and the gnats. It's available at most nurseries, hardware stores, feed stores and box stores and via mail order. I have a large foxtail palm in a pot. It's growing but looking ...
已读[79] 发布: 2013/05/23 15:30:00
Marconews Dipel and Thuricide are a more natural control using bacillus thuringiensis , which will control only caterpillars and will not harm the beneficial insects such as parasitic wasps. Following are some varieties and their colors: Barbara Karst (red ...
已读[786] 发布: 2013/05/23 13:35:23
3、有机合成农药:有机合成农药,是由人工研制合成,并由有机化学工业生产的一类农药,包括杀虫杀螨剂、杀菌剂、除草剂,在蔬菜无公害生产中可限量使用。 注意,无...
已读[81] 发布: 2013/05/22 14:23:55
本次行动出动2架“运五”飞机,并首次启用2架直升机,对美国白蛾进行“定点低空...以生物防治、人工物理防治为主,包括释放周氏啮小蜂、喷洒苏云金杆菌、多角体病毒...
已读[71] 发布: 2013/05/22 14:23:37
nwitimes.com The active ingredient in Mosquito Dunks® is called B.t.i. ( Bacillus thuringiensis israelensis), a bacterium that naturally kills mosquito larvae but is harmless to other living things. When placed in standing water, Mosquito Dunks® will kill mosquito ...
已读[49] 发布: 2013/05/22 14:23:23
Seven Days You identify the pests you want to manage — in this case, the mosquito — and use the safest product that's most effective. We encourage the districts to use a larvacide called Bti, or Bacillus thuringiensis israelensis. It's a bacteria that attacks ... and more »
已读[75] 发布: 2013/05/22 14:23:12
Peninsula Daily Spray the caterpillar blobs with insecticides or an organic spray containing Bacillus thuringiensis sp. Kurstaki, or BT. Generally, the tan-colored caterpillars stop eating in June and turn into moths in July and August. “At this point, a lot of them ...
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