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为了明确由美国陶氏益农公司生产的39.8%五氟·丁草胺悬乳剂(稻悠)对安徽省桐城市水稻大田常见杂草的防治效果,确定其最佳使用剂量,于水稻机插秧后进行了田间试验示范。示范结果表明每亩39.8%五氟·丁草胺悬乳剂150m L+10%苄嘧磺隆20g对水稻机插秧田除草效果最好,30d时总杂草株防效为97.01%,总杂草鲜重防效为97.45%,均高于两个对照药剂的防效;具体使用技术是:机插移栽后4~7d,每亩39.8%五氟·丁草胺悬乳剂150m L+10%苄嘧磺隆20g拌肥撒施一次。
In order to clarify the control effect of 39.8% Pefloxacin Butyramide Suspensions (Yoyo) produced by Dow AgroSciences Co., Ltd. on common weeds in rice fields in Tongcheng, Anhui Province, the optimal dosage was determined. After a field experiment demonstration. Demonstration results show that 39.8% per acre pentachlorobutachlor suspension 150m L + 10% bensulfuron-methyl 20g on the weed planting rice seedling best weed control effect, the total weed control effect was 97.01% at 30d, the total weed The fresh weight control efficiency was 97.45%, which were higher than the control efficacy of two control agents. The specific technique was: 4 ~ 7 days after transplantation, 39.8% per acre pentachlorobutane suspension 150m L + 10% Bensulfuron 20g mixed fertilizer sprinkle once.