18%克Y特灵防治烟草脉坏死病的研究

Effect of Ke-Y-Terling on the Control of Tobacco Vein Necrosis Disease

开展18%克Y特灵防治烟草脉坏死病的药效试验,室内生物测定结果表明:18%克Y特灵可湿性粉剂对烟草脉坏死病的预防效果为73.2%,治疗效果为66.5%,均高于对照药剂1.5%植病灵和20%病毒A的防效。田间小区药剂对比试验用18%克Y特灵可湿性粉剂4005、006、00倍液喷雾,对烟草脉坏死病的防治效果分别为78.1%7、2.4%和64.9%。该药剂具有较好的安全性,对烟草无药害,毒性级别为低毒,可作为一种新型农药使用。

A bioassay result showed that the preventive effect of 18%Ke-Y-Terling WP on tobacco vein necrosis disease was up to 73.2%. The curative effect was 66.5%, which was superior to Zhibingling and Viruclde A. The control effect of Ke-Y-Terling at dilution of 400, 500 and 600 were up to 78.1% ,72.4% and 64.9%, respectively. Ke-Y-Terling can be extended and applied in production of tobacco as a new antivlral agent due to its high efficacy, low toxicity and lack of residues.