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已读[27] 发布: 2013/06/02 08:56:53
The Augusta Chronicle There is evidence that mosquitoes also acquire resistance to DDT from synthetic pyrethroids , a group of chemicals similar to DDT used in agricultural pesticides. So to treat DDT as a simple solution to malaria is simply wrong. Rachel Carson's struggle ...
已读[26] 发布: 2013/06/01 06:09:18
也可采用室内滞留喷洒的办法,常用的是拟除虫菊酯类灭蚊药物喷洒在墙壁、衣柜背面,蚊子栖息在其表面时和药物接触而死亡;属于间接杀蚊,效果持续时间较长,根据药效不同...
已读[28] 发布: 2013/06/01 06:08:34
PCT Magazine The recent changes involving rodenticides and synthetic pyrethroids speak to this fact. Thanks again to Bob, Gene and Marcia for leading the charge into a future that we know will be loaded with opportunities to continue to successfully resolve our ...
已读[28] 发布: 2013/06/01 06:08:29
The Augusta Chronicle There is evidence that mosquitoes also acquire resistance to DDT from synthetic pyrethroids , a group of chemicals similar to DDT used in agricultural pesticides. So to treat DDT as a simple solution to malaria is simply wrong. Rachel Carson's struggle ...
已读[160] 发布: 2013/06/01 06:08:23
KyForward.com Second in the prevention arsenal is the liquid spray: carbaryl (Sevin), chlorpyrifos (Dursban) or a synthetic pyrethroid (permethrin or cyfluthrin) applied topically to whatever attractive wood is showing, according to Mike Potter, extension ...
已读[66] 发布: 2013/06/01 05:57:00
经该公司技术人员多次实验发现,以拟除虫菊酯类防虫剂作为活性成分,缓释、长效、低毒、触杀效果好,能有效解决家庭装饰材料、木质家具等遭受虫害的困扰。该产品的研制...
已读[116] 发布: 2013/06/01 05:56:58
医生表示,蚊香、液体蚊香、驱蚊水属于同一种原理,即化学驱蚊,化学驱蚊一般有两种:避蚊胺和拟除虫菊酯,这两种对人都是低毒的,正常使用都不会有问题,婴幼儿的产品...
已读[169] 发布: 2013/05/31 03:14:41
可用氯氰菊酯水溶液浸泡蚊帐30分钟,取出晾干即可使用,持效达2至3个月。另外要正确使用蚊香。蚊香片、液体蚊香、盘香使用时,应放在上风向,一般15平米左右以一个盘香...
已读[58] 发布: 2013/05/29 23:46:13
二、慎用有机磷和复配制剂农药,猕猴桃叶面积吸收大,对化学农药较敏感,叶面喷雾应选用拟除虫菊酯类单剂农药,多种药剂微肥混合使用且勿随意增大浓度,以免造成药害。 ...
已读[1146] 发布: 2013/05/29 13:35:02
从需求的数量来看,国内农药品种比重已呈现出多元化的走向,杀虫剂、杀菌剂、除草剂三大类农药品种比例在逐步调整,其中除草剂比重上升最快,杀虫剂比重将会下降,高效、...
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