4种病毒抑制剂对昭通烟草番茄斑萎病毒病和马铃薯Y病毒病的防治效果

番茄斑萎病毒病(Tomato spotted wilt virus, TSWV)和马铃薯Y病毒(Potato virus Y,PVY)是云南烟草生产上的主要病毒病,本研究旨在筛选有效的药剂防控烟草番茄斑萎病毒病和马铃薯Y病毒病,从而减少烟草经济损失。通过小区试验,分别研究了1%香菇多糖水剂、3%超敏蛋白微粒剂、5%氨基寡糖素水剂和2%嘧肽霉素水剂对田间烟草番茄斑萎病毒病和马铃薯Y病毒病的防治效果。结果表明：试验所选的4种病毒抑制剂对烟草番茄斑萎病毒病和马铃薯Y病毒病均具有一定的防控作用,1%香菇多糖、3%超敏蛋白、5%氨基寡糖素和2%嘧肽霉素对烟草TSWV的防治效果分别为：31.11%~39.90%、54.34%~59.91%、8.69%~38.21%和22.75%~43.32%,4种药剂对烟草PVY的防治效果分别为55.08%~71.06%、68.10%~82.24%、37.76%~55.36%和58.07%~68.86%,其中,3%超敏蛋白的防效最好,其烟草TSWV和PVY防治效果分别高于50%和60%,其次是2%嘧肽霉素,对烟草TSWV和PVY防治效果分别高于22%和58%。防治烟草番茄斑萎病毒病和马铃薯Y病毒病以3%超敏蛋白微粒剂的防治效果最佳,其次是2%嘧肽霉素水剂。

Effects of Four Virus Inhibitors on Tomato Spotted Wilt Virus and Potato Virus Y in Zhaotong Tobacco Fields

Tomato spotted wilt virus (TSWV) and potato virus Y (PVY) are the main virus diseases of tobacco in Yunnan, the research aims to screen highly effective agents to control the virus on tobacco, thereby reducing the economic losses of tobacco. Through field plot tests, the control effects of 1% lentinan aqueous solution, 3% harpin protein, 5% amino oligosaccharide water and 2% cytosintetidemycin on TSWV and PVY were investigated. The results showed that the four agents had certain preventing and control effects on TSWV and PVY. The control effect of 1% lentinan aqueous solution, 3% harpin protein, 5% amino oligosaccharide water and 2% cytosintetidemycin was 31.11%-39.90%, 54.34%-59.91%, 8.69%-38.21% and 22.75%-43.32% on TSWV, respectively, and 55.08%-71.06%, 68.10%-82.24%, 37.76%-55.36% and 58.07%-68.86% on PVY, respectively. Among them, the control effect of 3% harpin protein was the best, which was over 50% and 60% on TSWV and PVY, respectively, followed by that of 2% cytosintetidemycin, which was over 22% and 58% on TSWV and PVY, respectively.