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已读[29] 发布: 2013/07/28 18:38:16
Worcester Telegram When it uses pesticides, the project relies mainly on a few EPA-approved chemicals to kill larvae or, usually upon request of local residents, spray for adult mosquitoes. Synthetic pyrethroids , a copy of natural chemicals found in chrysanthemums, are ... and more »
已读[29] 发布: 2013/07/28 18:38:12
Patch.com Sumithrin is a synthetic pyrethroid that is classified as slightly toxic by the EPA. Mosquito control applications of sumithrin do not pose a significant risk to people or their pets due to the low toxicity of sumithrin and the small amount used to ...
已读[29] 发布: 2013/07/28 18:38:08
eNews Park Forest In the past, Beyond Pesticides has worked against clothing impregnated with the likely carcinogen and synthetic pyrethroid permethrin. For more information on the potential hazards associated with untested nanotechnology, see Beyond Pesticides  ...
已读[29] 发布: 2013/07/28 18:38:04
Patch.com Clarke will apply a synthetic pyrethroid used widely throughout the Chicagoland area for adult mosquito control. As part of Crystal Lake's existing Mosquito Abatement Program, Clarke regularly examines and treats breeding sites throughout the city ...
已读[29] 发布: 2013/07/28 18:37:59
Michigan State University Extension Synthetic pyrethroid compounds, like Asana, Warrior, Danitol, Battalion, Mustang Max and Baythroid, are also toxic to adult fruit flies, but are generally viewed to be moderately effective because they have a shorter field residual. There are several ...
已读[30] 发布: 2013/07/28 18:37:55
Coastweek It prohibits the use of synthetic fertilizers and pesticides—whose mismanagement adversely affects the environment and human health. ... Practices like rotating legumes with cereals, and using pyrethrin sprays from pyrethrum are also valuable,” he says.
已读[29] 发布: 2013/07/28 18:37:50
Southwest Booster Also, horn flies will develop resistance to the insecticide and therefore producers should alternate between using synthetic pyrethroids and organophosphates annually. Some pour on products, normally used for parasite control, provide weeks of horn fly  ...
已读[86] 发布: 2013/07/28 18:37:41
SCNow Also, recently devices (like Thermacell) that use butane to heat and vaporize a synthetic pyrethroid (Allethrin) have become popular. When it comes to managing mosquitoes, a good rule of thumb is if the approach or device sounds too good to be true ... and more »
已读[157] 发布: 2013/07/28 18:10:28
“蚊香、电热蚊香液、电热蚊香片等灭蚊产品中含有农药,属于卫生农药范畴。比较常见的成分是拟除虫菊酯类,如氯氰菊酯、炔丙菊酯、丙烯菊酯等。”省农药检定所一位...
已读[29] 发布: 2013/07/28 17:25:09
中毒;22、磷化氢、磷化锌、磷化铝中毒;23、工业性氟病;24、氰及腈类化合物中毒;25、四乙基铅中毒;26、有机锡中毒;27、羰基镍中毒;28、苯中毒;29、甲苯中毒;...
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