Compositions comprising, in an aqueous medium,
(a) a water-soluble salt of glyphosate having water solubility such that the composition contains at least 70 g/l of glyphosate acid equivalent;
(b) simazine, and (c) diuron as particulate solids substantially free from particles having sizes greater than 15 µm;
(d) a surfactant which is a phosphoric ester of an ethoxylated aralkylated phenol in an amount of from 5 to 15% of the combined weight of the simazine and diuron;
(e) a surfactant in an amount of at least 40% of the combined weight of the simazine and diuron, and which is (i) an ethoxylated C 8-18 alkanoyl ester of sorbitan and/or (ii) an ethoxylated C 14-20 alcohol; and
(f) a water-soluble/water-dispersible thickener in an amount such that the composition has a viscosity at 25°C within the range 200 to 3500 cps;
wherein the weight ratios of components (a) (expressed as glyphosate acid equivalent), (b) and (c) are from 1.0:0.8:1.3 to 1.0:1.25:3.5,
are effective herbicides against a range of weeds and have good storage stability.
在
水介质中包含以下成分的组合物:
(a)
草甘膦的
水溶性盐,其
水溶性使该组合物含有至少 70 克/升的
草甘膦酸当量;
(b)
西玛津,和 (c)
敌草隆,为颗粒状固体,基本上不含尺寸大于 15 微米的颗粒;
(d) 一种表面活性剂,它是乙氧基化芳基化
酚的
磷酸酯,其用量为
西玛津和
利谷隆总重量的 5%至 15%;
(e) 一种表面活性剂,其用量至少为
西玛津和
利谷隆总重量的 40%,它是(i)
山梨糖醇的乙氧基化 C 8-18 烷酰基酯和/或(ii) 乙氧基化 C 14-20 醇;以及
(f)
水溶性/
水分散性
增稠剂,其用量应使组合物在 25°C 时的粘度在 200 至 3500 cps 范围内;
其中组分(a)(以
草甘膦酸当量表示)、(b)和(c)的重量比为 1.0:0.8:1.3 至 1.0:1.25:3.5、
是有效的
除草剂,可防治多种杂草,并具有良好的储存稳定性。