两系稻制种穗期病害发生较重的原因及防治措施
량계도제충수기병해발생교중적원인급방치조시
Causes of the outbreak of diseases at heading stage in seed production plots of two-line system hybrid rice and the control measures
  • 万方数据
    植保技术与推广 식보기술여추엄
    PLANT PROTECTION TECHNOLOGY AND EXTENSION
    2003年 9期 7-9 ,共3页

    刘自君%蒲祖康

    류자군%포조강

    杂交稻%两系制种%穗期病害%防治措施 雜交稻%兩繫製種%穗期病害%防治措施
    잡교도%량계제충%수기병해%방치조시
    调查分析稻粒黑粉病、穗颈稻瘟等两系杂交稻制种穗期主要病害的发生原因,提出了清除菌源、轮换制种、健身栽培、对口药剂防治等防治措施.
    조사분석도립흑분병、수경도온등량계잡교도제충수기주요병해적발생원인,제출료청제균원、륜환제충、건신재배、대구약제방치등방치조시.
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