几种药剂防治烟草病毒病田间药效比较

Comparison of the efficacy of several drugs for controlling tobacco virus disease

7种药剂防治烟草病毒病田间药效试验结果表明:药效优于对照药剂的有3%超敏蛋白微粒剂、3%甲酚.愈创木酚可溶性乳剂、0.5%氨基寡糖素水剂,防治效果分别为66.28%、56.98%、39.58%,4%嘧肽霉素水剂和对照药剂效果相当,0.28%苦参碱两次调查结果都没有对照药剂效果好,病毒清药效最差。经方差分析证明,处理间差异达极显著水平。