A method for obtaining satisfactory weed control including control of blackgrass in cereal crops comprising preemergent application of a mixture of terbutryne and trifluralin having a ratio of 1:2 to 2.5:1 and compositions for same, particularly liquid concentrate compositions which do not give crystalline precipitation within 24 hours of emulsification, comprising a) 7.5 to 18% terbutryne, b) 15 to 25% trifluralin, c) 28 to 42% non phytoxic alicyclic ketone, d) 5 to 15% emulsifier, and e) stabilizing cosolvent selected from 1) 1 to 3% mesityl oxide, or 2) 8 to 15% lower alkyl esters of C-18 unsaturated fatty acids, or 3) a combination of 10 to 20% isophorone and 1 to 3% di-lower alkyl formamide.
一种获得令人满意的除草效果(包括控制谷类作物中的黑草)的方法,包括萌芽前施用比例为 1:2 至 2.5:1 的
特丁净和 trifluralin 混合物及其组合物,特别是在乳化 24 小时内不会产生结晶沉淀的液态浓缩组合物,其中包括 a) 7.5%至 18%的
特丁净,b) 15%至 25%的
氟乐灵,c) 28%至 42%的无植物毒性
脂环酮,d) 5%至 15%的
乳化剂,和 e) 选自下列物质的稳定助溶剂:1) 1%至 3%的氧化甲
硅烷,或 2) 8%至 15%的 C-18 不饱和
脂肪酸低级烷基酯,或 3) 10%至 20%的
异佛尔酮和 1%至 3%的二低级烷基甲酰胺的组合。