99植宝控制油菜病毒病(Tumv)试验初报

来源 :云南农业大学学报 | 被引量 : 0次 | 上传用户:zhangyan820923
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选用国家专利产品99植宝,对人工接种的油菜病毒病(Tumv),从发病初期开始用不同浓度叶面喷雾2~3次,以300倍500倍液最好,300倍盆栽防制效果87.5%~89.9%,大田85.1%~92.3%;500倍盆栽75%~84.8%,大田88.5%~90.9%,均与空白对照差异显著,效果等于或略好于对照药病毒王300倍、500倍液.
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