24%99植宝1号防治烟草花叶病药效试验

Effect of 24% "99Zhibao No.1" on controlling tobacco mosaic

用植物生长调节剂24%99植宝1号150倍、300倍、450倍液对烟草花叶病进行药效试验,用2%宁南霉素200倍液、3.85%病毒必克500倍液为对照药剂。结果表明,24%99植保1号能提高烤烟对烟草花叶病毒的抗性,但各稀释倍数之间的防效无明显差别,与对照药剂的防效差异不显著。

Compared with the control of 2%Ninnanmycin diluted with 200 × and 3. 85%ribaririn diluted with 500 ×~, the effect study of plant growth regulator 24% ＂99Zhibao No. 1＂ on controlling tobacco mosaic was conducted in which it was diluted with 150 ×, 300 ×and 450×, respectively. The results showed that ＂99Zhibao No. 1＂ could enhance the tobacco resistance to tobacco mosaic, but the effect of each dilution was not obviously different, and the difference of control was not significant compared with the control.