乙草胺与吡嘧磺隆混用防除稻田杂草药效试验报告

Report on the Mixture of Acetochlor and Pyrazosulfuron- ethy Against Weeds in Rice Fields

本试验采用乙草胺与吡嘧磺隆混用防除稻田杂草，经过１９９４～１９９５年小区试验，筛选出防除稗草、野慈菇和萤蔺等一年生及多年生杂草的最佳配比；１９９６年进行了大区药效试验，防除效果达９０％～９５％。成本低于丁草胺与吡嘧磺隆混剂。

In this paper,field trials showed that the mixture of acetochlor and pyrazosulfuron - ethy had remarkable control effect against weeds in rice field.The field trials were carride out during 1994 to 1996.The results showed that tank-mixing had a good formulation of herbicides in the control of annual weeds and perennial weeds ,such as barngardgrass, scirplls juncoides and sagittaria sagittifo- lial plant total control was 90%～95%.The cost is the lower than the mixture of butachlor and pyrazo- sulfuro-ethy.