云芝多糖对烟草马铃薯Y病毒病的抑制作用及田间防治效果
Coriolus Versicolor Polysaccharide Inhibitory Effect on Potato Virus Y and Field Control Effect
摘要:
用1.1%云芝多糖水剂、0.5%香菇多糖水剂、20%病毒A可湿性粉剂采用半叶法在烟苗上进行PVY病斑抑制率测定,结果表明:病斑抑制率分别为83.85%、75.67%、72.2%,以1.1%云芝多糖水剂效果最好。用1.1%云芝多糖水剂、0.5%香菇多糖水剂、20%病毒A可湿性粉剂在大田进行了小区对比试验,结果表明:平均防效分别为83.12%、45.29%、36.29%,以1.1%云芝多糖水剂最好,方差分析表明,差异达极显著水平。
Abstract:
PVY lesion inhibition rate was measured by half leaf method in tobacco seedlings with 1.1% Coriolus Versicolor Polysaccharide agent, 0.5% Letinous edodes agent, 20% Virus A Wettable powder. The results showed that the lesion inhibition rate were 83.85%, 75.67%, 72.2%, 1.1% to the best agent polysaccharide of coriolus versicolor. With 1.1% Coriolus Versicolor Polysaccharide agent, 0.5% Letinous edodes water agent, 20% Virus Agent A in the field of plot comparison experiment results show that the average control effect were 83.12%, 45.29%, 36.29%. The best effect was 1.1% Coriolus Versicolor Polysaccharide agent. In the best agent, the analysis of variance showed that the difference reached a very significant level.
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