Screening of control agent on Sclerotium rolfsii Sacc.and optimum control period
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摘要: 采用灌根和叶片喷雾的处理方法,对蝴蝶兰白绢病灌根和叶面喷施防治药剂进行了筛选,并对防治适期进行了研究。结果表明:在灌根防治中以"根好"1 000倍液效果最好,其平均发病率为2.8%,防治效果为89.8%;效果最佳的叶面喷施防治药剂为"恶霉灵"1 500倍液,其平均发病率为5.6%,防治效果为80.1%;最佳防治时期为2.5寸杯苗换杯前5 d。Abstract: In this paper,processing method of pouring and spraying were respectively used.The control agent on Sclerotium rolfsii Sacc.of pouring and spraying were screened,and the optimum control period had been studied. The results showed that the best result of control agent of pouring was"enhao"f 1000 times dilution,and the was 2.8%,the control efficacy was 89.8%;The best result of of spraying was"ymevazol"1500 times,the average incidence was 5.6%,the control efficacy was 80.1%;and optimum prevent time was 2.5 inch cup seedlings for five days before changing the cup.
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Key words:
- Phalaenopsis /
- Sclerotium rolfsii Sacc /
- control
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[1] 王就光,陈建军.辣椒白绢病药剂防治试验[J].中国蔬菜,1982,04:5-7. [2] 黄德强,陈金安,祝玉芳,等.菱角白绢病及其防治[J].植物保护,1996,22(4):32-34. -
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