5％烯唑醇微粉种衣剂防治玉米丝黑穗病效果初报

Effect of Super Micro-powder Seed Coating Agent of 5% Diniconazole on the Prevention and Cure of Head Smut of corn

通过室内、田间接种、不接种试验,结果表明,5％烯唑醇微粉种衣剂对玉米的发芽率、发芽势有提高的趋势,在试验条件下5％烯唑醇微粉种衣剂对玉米比较安全。在接种条件下防治玉米丝黑穗病47％～60．3％;不接种条件下防治玉米丝黑穗病效果在87．7％～96．2％,增产11．8％-15．6％。生产上推荐以药种比1:200为较佳应用剂量。

Through the experiments of inoculation and results showed that Super Micro-powder Seed Coating non-inoculation in the laboratory and the field, the Agent of 5% Diniconazole had an increase trend in the germination percentage and the germination energy of corn. It＇s safe for corn under the experimental condition. Under the condition of inoculation, the rate of prevention and cure to the head smut of corn was 47%-60.3%. Under the condition of non-inoculation, the rate of prevention and cure was 87.7%-96.2% and it could increase the yield of corn by 11.8%-15.6%. The recommendation rate of pesticide to seed was 1：200 under the productive condition.