6%烟嘧磺隆SC防除玉米田杂草的效果

Controlling Effect of Nicosulfuron 6% SC on Weeds in Corn Fields

采用6%烟嘧磺隆SC等除草剂对上海地区玉米田杂草进行田间防除试验。结果表明,在玉米4叶期左右,6%烟嘧磺隆SC 900～1 200 g/hm2兑水45 kg进行茎叶喷雾,能有效防除玉米田马唐、牛筋草、刺苋、凹头苋、马齿苋等一年生杂草。

Field controlling efficiency test was conducted using different herbicides including nicosulfuren 6% SC in corn field of Shanghai area. The results showed that nicosulfuron 6% SC at a dose range of 900 to 1 200 g/hm2 with 45 kg wa- ter spraying at the 4 - leaf stage of corn seedlings could effectively control annual gramineous grasses such as Digitaria sanguinalis, Eleusine indica, Amaranthus ascendens, Amaranthus lividus and Portulaca oleracea in the corn field.