1987、1988年,我场用药剂拌种防治甜菜苗期主要病虫害——立枯病和跳甲,两年小区试验和大面积应用均获较好效果。 1987年用两种配方:①35%甲基硫环磷乳油l公斤加50%福美双可湿性粉0.4公斤,对水25公斤,拌种50公斤。②3%呋喃丹微粒剂1.5公斤加50%福美双可湿性粉0.4公斤,对水25公斤,拌种50公斤。前一配方应 1987, 1988, my field seed dressing with pesticides to prevent and control the main pests and diseases pest blight - and blight, two years of plot tests and large area applications were better results. 1987 with two formulations: ① 35% Methylthio phosphoric acid l kg plus 50% thiram wettable powder 0.4 kg, 25 kg of water, 50 kg seed dressing. ② 3% carbofuran granules 1.5 kg plus 50% thiram wettable powder 0.4 kg, 25 kg of water, dressing 50 kg. The previous recipe should be