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已读[162] 发布: 2013/07/28 14:46:04
搜狐 近日,澳大利亚农药和兽药管理局发布2013年第13号公报,修订《澳新食品标准法典》第1.4.2章《最大残留限量标准》,修订了甲霜灵、 联苯肼酯 的农残限量,并自发布之日起生效。 甲霜灵为白色粉末,有毒,属于低毒性杀菌剂。对眼 ... and more »
已读[97] 发布: 2013/07/12 16:10:03
International Environmental Technology In this application note, we present the enantiomeric and/or diastereomeric separations of three pesticides: metalaxyl -M, S-metolachlor (acetanilide class of pesticides), and difenoconazole (a triazole fungicide). Metalaxyl has one chiral center, while  ...
已读[104] 发布: 2013/07/12 16:09:50
Michigan State University Extension While partial resistance is effective against all pathotypes (races), it is not expressed in very young plants, so Michigan State University Extension recommends a seed treatment of Metalaxyl /Mefenoxam is also utilized to minimize very early infection.
已读[358] 发布: 2013/07/12 15:09:56
农药:1、杀菌剂;(1)甲霜 锰锌
已读[339] 发布: 2013/07/12 13:08:06
红蜘蛛防治玉米灌浆后特别是遇到干旱炎热天气时,也是红蜘蛛危害最盛期,当田间虫害叶片率达10%以上时可采用三氯杀螨醇或氧化乐果1000倍液喷洒叶片背面。 叶斑病防治...
已读[177] 发布: 2013/07/11 14:08:04
中国农业网 霜霉病在发病初期选用 百菌清 烟剂或 百菌清 与硫磺、腐霉利、霜脲氰、甲霜灵的复配烟剂,分放在棚内4~5处,用香烟或卷烟等暗火点燃,发烟时闭棚,密闭熏蒸一夜,次日早晨通风。隔7天熏一次,熏蒸次数视病情发展而定。另外,如 ...
已读[258] 发布: 2013/07/10 16:00:25
汉丰网 紫斑病的防治可选用50%福美双、50%的多菌灵、50%的托布津可湿粉剂500倍液喷雾;或用75%的百菌清可湿粉剂、64%杀毒矾可湿粉剂、58% 甲霜灵 锰锌500倍液,或50%扑海因可湿粉剂1500倍液喷雾,每隔5~7天连续喷雾2~3次。 软腐 ... and more »
已读[110] 发布: 2013/07/10 16:00:07
International Environmental Technology In this application note, we present the enantiomeric and/or diastereomeric separations of three pesticides: metalaxyl -M, S-metolachlor (acetanilide class of pesticides), and difenoconazole (a triazole fungicide). Metalaxyl has one chiral center, while  ...
已读[102] 发布: 2013/07/10 16:00:02
TheGrower Some of the best tools are the phenylamide fungicides, which are commercially available as mefenoxam and metalaxyl . Characterization of mefenoxam resistance in P. infestans, P. nicotianae and P. parasitica through inheritance studies is consistent with ...
已读[419] 发布: 2013/07/10 15:02:22
Irish Independent This could include a half to two-thirds rate strobilurin, a half-rate triazole and a full-rate chlorothalonil . While aphid counts have been low, many crops are now showing significant levels in the head. Spraying with 0.8 l of dimethoate when there is ...
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