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小麦亦霉病、锈病、白粉病和纹枯病是我县小麦生产的大敌,通常在小麦穗期混合发生。危害严重,常年损失产量8—40％。1991年发生49万亩次,因白粉病大流行和其它病害混合危害,虽经大力防治,仍损失小麦3750吨。为此,我们于1991年采用粉、多混配,(亩用15％粉锈宁可湿性粉50克加50％多菌灵可湿性粉50克,下同)等药剂开展小麦穗期多种病害的防治试验、示范。结果达到了一药多治的复合防治效果。并于1992年大面积推广粉、多混配药剂防治小麦穗期病害,效果很好。 1、试验设在本县常年施肥水平较高,发病较重的武安乡玉塘村,试验地面积2亩,小麦品种为绵阳15号。在小麦始花期(4月8日)以粉、多混配剂,50％多
Wheat also mildew, rust, powdery mildew and sheath blight is the enemy of wheat production in our county, usually in the wheat spike mixture. Hazardous, perennial loss of production 8-40%. In 1991, 490,000 mu were affected, causing a total loss of 3,750 tons of wheat due to the outbreak of powdery mildew and the mixture of other diseases. To this end, we use the powder in 1991, more mixed with (15 acres of powdery mildew WP 50 and 50% carbendazim wettable powder 50 grams, the same below) and other agents to carry out a variety of diseases of wheat heading Prevention and test, demonstration. The results reached a drug combination of multi-treatment control effect. And in 1992 to promote a large area of powder, mixed with pesticides to control wheat diseases, the effect is very good. 1, the test set in the county perennial fertilization level is high, the incidence of heavier Wuxiang Township Yutang Village, the experimental area of 2 acres, Mianyang 15 wheat varieties. In the beginning of wheat flowering (April 8) to powder, multi-compound, more than 50%