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黔南州地处贵州南部,油菜是本州主要油料作物。1985年我们选择氟乐灵作了耐药性和除草效果的盆栽试验,1986年在大田作了不同施药方法和剂量的比较试验及示范。一、盆栽试验 (一) 盆栽方法:利用口径为50厘米的花钵14个,从坝区稻田取土壤入钵,整细扒平,每7个1组,共2组,1组播种甘蓝型油菜西南302,另一组播种白菜型油菜本地黄油菜。每钵点播五穴,每穴选用饱满、无病虫为害伤痕的种子5粒。供试药为48％的氟乐灵(美国礼来公司生产,下同),每组分别采用75毫升/亩,100毫升/亩,150毫升/亩3种不同剂量处理,设1个对照,重复2次,11月13日播种,用微型喷雾器喷药,药后第2天开始观察出苗情
Qiannan is located in southern Guizhou, rape is the state’s main oil crops. In 1985, we chose trifluralin resistance and weeding effect of the pot experiment, in 1986 in the field made different application methods and dose comparison test and demonstration. First, the pot experiment (a) potted method: the use of caliber 50 cm flower pot 14, from the paddy fields to take soil into the bowl, fine grilled, every 7 1 group, a total of 2 groups, a group planted cabbage type Southwest rapeseed 302, another group sowing cabbage rape local buttercups. Each bowl of on demand five points, each hole selection of full, no pests scab damage seeds 5. The test drug was 48% trifluralin (produced by Eli Lilly and Company, the same below). Each group was treated with three different doses of 75 ml / mu, 100 ml / mu and 150 ml / mu respectively, Repeat 2 times, November 13 planting, spraying with a miniature sprayer, began to observe the emergence of the second day after treatment