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已读[128] 发布: 2013/05/31 17:59:38
对于蚜虫,一可用10%吡虫啉可湿性粉剂2500倍液喷施,二可用50%辛硫磷乳剂2000倍液... ・别让农药虚假说明“忽悠”农民 ・绿色农华一悬浮剂获国家发明专利 ・外苦内...
已读[119] 发布: 2013/05/31 17:59:35
Michigan State University Extension Trees with adequate sunlight and soil moisture grew rapidly and received adequate protection from basal drenches of imidacloprid made every year or every other year, while shaded and drought-stressed trees grew slowly and were much more susceptible to ... and more »
已读[31] 发布: 2013/05/31 17:59:33
San Jose Mercury News Another option is an application of the systemic insecticide imidacloprid to the soil; it's available to homeowners as Bayer Advanced Garden Tree & Shrub Insect Control. It can provide season-long control of scale. It is particularly useful where ...
已读[60] 发布: 2013/05/31 17:59:29
NyackNewsAndViews The U.S. Department of Agriculture says many of the bees' deaths are caused by a class of insecticides called neonicitinoids that includes Clothianidin and Imidacloprid , made by the pharma company Bayer AG. The bee shortage has contributed to an ...
已读[187] 发布: 2013/05/31 17:59:25
Tryon Daily Bulletin ... corn syrup (HFCS) fed to bees by commercial beekeepers can cause honeybee hives to collapse. Neonicotinoid pesticides include acetamiprid, thiamethoxam, and imidacloprid , which is in local use to control fire ants. One attendee, whose neighbor ...
已读[209] 发布: 2013/05/31 17:59:19
Chemistry World The EFSA risk assessment comes just days after the European commission agreed restrictions on the use of three neonicotinoid pesticides – clothianidin, imidacloprid and thiamethoxam – deemed harmful to bees would come into force on 1 December. and more »
已读[82] 发布: 2013/05/31 17:57:58
毒死蜱:本周指数略有下滑,收报946.70点,主流报价在3.8万元/吨(折百)。 (...农药市场:草甘膦“风景这边独好” 草甘膦吨价超3.7万 创近两年新高 [...
已读[374] 发布: 2013/05/31 17:57:46
对盲蝽象百株虫量达5头的田块,可选用氯氟・啶虫脒(尽打)、毒死蜱、乙酰甲胺磷等农药喷雾防治。凡二代棉铃虫当日百株卵量达20粒的田块,应选用生物农药防治,非...
已读[104] 发布: 2013/05/31 17:55:47
我们对草甘膦、百草枯行情持乐观判断,行情有望再次上涨。草甘膦短期内行业扩产有限,环保压力影响了行业的供应增长,预计供应紧张的局面将维持全年;百草枯需求旺盛,...
已读[266] 发布: 2013/05/31 16:14:46
Beatrice Daily Sun The best time to treat for white grubs is in the third week of June with a product such as: imidacloprid (Merit), chlorantraniliprole (Acelepryn), clothianidin (Arena), halofenozide (Mach 2), or thiamethoxam (Meridian). You want to treat for them after ... and more »
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