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    • 8. 发明授权
    • Strains of Drechslera ssp for controlling grass
    • 用于控制草的Drechslera ssp菌株
    • US5332573A
    • 1994-07-26
    • US76689
    • 1993-06-15
    • Kenichi YamaguchiMasanobu AritaMasatoshi GohbaraTatsuo ShinmiKeiko FukuiEmi Tohyama
    • Kenichi YamaguchiMasanobu AritaMasatoshi GohbaraTatsuo ShinmiKeiko FukuiEmi Tohyama
    • A01N63/04A01N63/00C12N1/00
    • C12R1/645A01N63/04Y10S435/911
    • Described are new strains of Drechslera spp., which possess herbicidal effects against all varieties of barnyard grass, i.e., Echinochloa spp. but do not give any influence to crops under cultivation such as rice. The control agents according to the present invention, which contain one or more of the strains, have high safety and selectivity, thereby providing practical control effects against barnyard grass. Further, the control compositions according to the present invention, which contain one or more of the new strains in combination with one or more chemical herbicides, have sufficient herbicidal effects even at dosages which are too low to permit control of barnyard grass when they are applied singly, thereby making it possible to reduce the dosage of herbicides. Thus, the control compositions can therefore contribute to the prevention of environmental pollution and the occurrence of barnyard grass with acquired pesticide resistance.
    • 描述了Drechslera spp。的新菌株,其对稗草的所有品种即Echinochloa spp。具有除草效果。 但不要对稻米等作物产生任何影响。 含有一种或多种菌株的本发明的控制剂具有高安全性和选择性,从而为稗草提供实用的防治效果。 此外,根据本发明的含有一种或多种与一种或多种化学除草剂组合的新菌株的对照组合物即使在施用时也不足以控制稗草的剂量具有足够的除草效果 从而可以减少除草剂的用量。 因此,控制组合物因此可以有助于防止环境污染和具有获得性农药抗性的稗草的发生。