小麦田春季化学除草效果比较

为评价不同除草剂对春季小麦田杂草的防除效果,2012年进行了田间药效比较试验。结果表明,在春季防除禾本科杂草时,可用5%唑啉.炔草酯EC 1200～1500 g/hm2(制剂用量,下同),或15%炔草酯WP 450～525 g/hm2,或69 g/L精唑禾草灵EW 1800 g/hm2;在春季防除猪殃殃时,可用200 g/L氯氟吡氧乙酸EC 900～1050 g/hm2。以上各药剂的防除效果均在90%以上。

Effect Comparison on Chemical Controlling Wheat Field Weeds in Spring

In order to evaluate the control effects of the different herbicides to wheat field weeds in spring,the field trials were carried out in 2012.The results showed that pinoxaden + clodinafop-propargyl 5% EC 1200-1500 g/hm2,clodinafop-propargyl 15% WP 450-525 g/hm2 or fenoxaprop-P-ethyl 69 g/L EW 1800 g/hm2 could be used to control grass weeds.Galium aparine L.var.tenerum(Gren.et Godr.) Rchb.could be controlled with fluroxypyr 200 g/L EC at a dosage of 900-1050 g/hm2.The control effects of all above herbicides were more than 90%.