Position: Home > Articles > The Effect and Safety of Controlling Weeds in Rice Field with Benzobicyclon 60 g/L SC
Agrochemicals
2011,50
(12)
60-62
60g/L苯并双环酮SC对移栽稻田杂草的药效和安全性
作 者：
王义生;周洪波;刘志友;刘煜财;王广祥
关键词：
苯并双环酮;水稻;杂草防效;安全性
摘 要：
[目的]为了明确60 g/L苯并双环酮SC在不同使用剂量的情况下,防除移栽稻杂草效果、杀草谱、安全性及施用技术等项指标,采用茎叶喷雾施药,定期调查的方法进行田间药效试验。[结果]苯并双环酮杀草谱主要包括莎草科杂草、阔叶杂草。施用时间为在水稻移栽后4~8叶期,推荐剂量为200~250 g a.i./hm2,施药后40 d对阔叶杂草、莎草科杂草株防效达85.1%~95.1%,与吡嘧磺隆联合使用时,防效更好。水稻移栽前使用丁草胺封闭,扩大杀草谱。[结论]正常使用量对水稻生长安全,与人工除草相比,产量差异不大。对阔叶杂草、莎草科杂草防效较好。
译 名：
The Effect and Safety of Controlling Weeds in Rice Field with Benzobicyclon 60 g/L SC
作 者：
WANG Yi-sheng1,ZHOU Hong-bo2,LIU Zhi-you3,LIU Yu-cai 1,WANG Guang-xiang1(1.Jilin Academy of Agricultural Sciences,Gongzhuling 136100,Jilin,China;2.Huadian Pesticide-fertilizers Supervision Management Station,Huadian 132400,Jilin,China;3.Huadian Badaohe Agricultural Extension Station, Huadian 132400,Jilin,China)
关键词：
benzobicyclon;rice;efficiency of control weed;security
摘 要：
In order to clarify the effect,weed spectrum,safety and application of benz-obicyclon 60 g/L SC at different doses,field trials were carried out using methods of stems-leaves spray and regular survey.[Results] The results showed that weed spectrum included broad-leaved and sedge weed,the suitable application time is at 4-8 leaf stage,a dose of 200-250 g a.i./ha,integrated control effect reaches 85.1-95.1% to broad-leaved and sedge weeds after 40 d.The control effect was better with pyrazosulfuron in combination.Using butachlor before transplanting rice can expand weed spectrum.[Conclusions] Normal dosage is safe to rice growth,and there is no evident yield difference compared with manual weeding.Benz-obicyclon showed good control to broad-leaved and sedge weed.
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