摘要
本文通过对向日葵小菌核病(Sderotinia.minorJagger)的防治措施研究,明确了早期拔除病株,收获时及时清理病残秸杆,3年以上轮作,迟播种期到6月1日左右,采用50%速克灵可湿性粉剂3750~7500ml/hm ̄2,50%强力杀菌剂水剂3750~7500ml/hm ̄2,具有较好的防治效果。
The results from studies on control measures of sunflower stem basicrot( Sclerotinia minor Jagger)disease in recent years at Bayannuoer league of InnerMongolia Autonomous Region showed that pulling out diseased plants at early stage,removal of plant debris when the crop is harvested,rotational growing the crop at morethan two years of interval,setting the sowing time to near the fist of June,using soiltreatment of 50%Sumiles wp.3.75~7. 50kg/hm ̄2,or Qiangli fungicide sl.3.75一7. 50 kg/hm ̄2 could obtained desirable control effects.
基金
内蒙古自治区科委八五攻关项目
关键词
向日葵
小菌核病
防治
sunflower,Sclerotinia minor disease,control measure