摘要
试验设1%申嗪霉素悬浮剂1000倍液、58%甲霜灵锰锌可湿性粉剂1500倍液、30%恶霉灵水剂1 000倍液、70%甲基托布津1 000倍液和清水对照(CK)5个处理,在西瓜枯萎病初发期开始第1次叶面施药,之后每隔7 d施药1次,连续施药3次,研究了4种药剂对西瓜枯萎病的防治效果。结果表明:3次用药后,1%申嗪霉素1 000倍液防效为83.5%,30%恶霉灵水剂1 000倍液防效为75.5%,二者药效显著高于其他2种药剂。
1%shenqin mycin suspending agent 1 000 times liquid, 58% metalaxyl mancozeb wettable powder 1 500 times liquid, 30% hymexazol agent 1 000 times liquid, 70% thiophanate methyl 1 000 times liquid and water ( CK) were sprcoyed, to the leaves first times in the eaoly period of Fusarium wilt of watermelon, then spraying one times every 7 days, and continuous 3 times. The control efficacy of four kinds of chemicals on Fusarium wilt disease of watermelon was studied.The results showed that after medication three times, the control effects of 1% shenqinmycin suspending agent 1 000 times liquid, 30% hymexazol agent 1 000 times liquid, respectively were 83.5% and 75.5%, the medicament efficacy were significantly higher than other two kinds of chemicals.
出处
《河北农业科学》
2014年第3期46-47,75,共3页
Journal of Hebei Agricultural Sciences
关键词
西瓜
枯萎病
药效试验
Watermelon
Fusarium wilt
Efficacy test