99.8%硫磺粉熏蒸加喷咪酰胺对棚室草莓白粉病的影响

Effect of 99.8% Sulphur Fumigation Combined with Spraying Microphone Amide on Greenhouse Strawberry Powdery Mildew

为消除棚室草莓白粉病,以抗性较差、易感白粉病的草莓品种红脸颊作为试验品种,使用99.8%硫磺粉熏蒸、99.8%硫磺粉熏蒸后加喷施15%咪酰胺微乳剂800倍液,在不同时间段用两种不同方法做试验对比。结果表明:用99.8%硫磺粉熏蒸,可以有效预防白粉病的蔓延及扩大,防治效果达33.59%,结合喷施15%咪酰胺微乳剂800倍液,防治效果可达100%。

In order to eliminate greenhouse strawberry powdery mildew,taking weak resistance and susceptible to powdery mildew of strawberry variety red cheeks as test material,the comparison test was conducted at dif- ferent stage by two different methods of using 99.8 % sulphur fumigation and 99.8% sulfur powder fumigation with spraying 15% prochloraz micro-emulsion 800 times liquid amide. The results showed that 99.8% of sul- phur fumigation could effectively prevent the spreading and expanding of powdery mildew, the prevention and control effect was 33.59 %. Combing with spraying 15% microphone amide micro-emulsion 800 times fluid, the control effect could reach 100 %.