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已读[115]
发布： 2013/10/23 15:29:55
(大豆、花生等旱茬小麦田),可选用50%辛硫磷乳油20毫升,兑水500毫升,拌麦种15至20公斤,拌匀后堆闷3至5小时,待药液被种子吸干后即可播种;或用60%吡虫啉(高巧)...
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已读[46]
发布： 2013/10/23 15:29:06
Horticulture Week One of these, imidacloprid , marketed by Solufeed under the brand name Couraze, has been widely used in compost to combat common pests such as sciarid and aphid. Holden said: "Under the new regulations, growers only have until November 30th to use ... and more »
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已读[171]
发布： 2013/10/22 15:29:34
还有一些有机磷农药有机磷农药如辛硫磷、三唑磷不能在瓜类上使用,吡虫啉也不推荐使用。菊酯类农药,阿维菌素等相对安全一些,但要严格控制浓度,否则很容易引起药害。...
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已读[39]
发布： 2013/10/22 15:28:50
Chemistry World When the team infected bees with a common pathogen – deformed wing virus – and exposed them to clothianidin and another neonicotinoid, imidacloprid , at concentrations similar to those that would be found in the field, there was significantly increased ... and more »
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已读[156]
发布： 2013/10/22 06:56:59
农药的使用已经成为农业生产活动中最为常用的行为,无论是粮食作物、蔬菜作物以及果园林木,都已经广泛的使用农药来防治病虫害以及其他有害生物,为农业生产提供了重要...
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已读[83]
发布： 2013/10/22 06:28:33
Capital Press The EPA in August added labeling requirements to strengthen protection for bees on some neonicotinoid pesticide products, including products containing dinotefuran , imidacloprid, thiamethoxam and chlothianidin. The new labels, required by early 2014 ... and more »
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已读[305]
发布： 2013/10/21 15:30:44
每亩用50%抗蚜威可湿性粉剂2000倍液,或用10%吡虫啉可湿性粉剂1500倍液,每隔10天喷雾1次,连续喷2~3次。特别需要注意,在茄科、葫芦科等蔬菜收获后,若发现有翅蚜...
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已读[39]
发布： 2013/10/21 15:30:24
随着环保压力的增加,吡虫啉后期价格或有反弹。 毒死蜱:与上周相比,毒死蜱指数略有增加,收报于844.50点。市场主流报价在35000元/吨(折百)左右。后期价格待上海展会...
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已读[88]
发布： 2013/10/21 04:58:43
Boston Herald The company is testing two solutions: TREE-age, which relies on emamectin benzoate , a pesticide that causes insect paralysis, and IMA-jet, based on imidacloprid, a pesticide derived from synthetic nicotine, according to the National Pesticide ... and more »
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已读[41]
发布： 2013/10/20 15:30:20
Capital Press The EPA in August added labeling requirements to strengthen protection for bees on some neonicotinoid pesticide products, including products containing dinotefuran, imidacloprid , thiamethoxam and chlothianidin. The new labels, required by early 2014 ...
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