油菜根肿病的化学防治技术研究
Journal of Anhui Agricultural University(2014)
Abstract
油菜根肿病是一典型土传病害,防治困难.选用生产上常用的8种药剂,比较不同药剂使用剂量、施药方式和施用时间对油菜根肿病的防效.结果表明,不同施药方式药剂出苗率不同:药剂拌土整体出苗率较高,氰霜唑、氟啶胺、噻唑锌出苗率均高于70.00%;药剂浇淋,氰霜唑出苗率最高,达到96.67%;药剂拌种,整体出苗率偏低.药剂拌种、药剂浇淋和药剂拌土平均防效分别为81.55%、67.47%和62.44%.3叶1心期,药剂灌根,以氟啶胺、氰霜唑和多菌灵的防治效果较好,分别为71.9%、71.1%和70.2%.
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Key words
chemical control,disease
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