• The small brown rice planthopper is an injurious insect on food crop of Ningxia.

    飞虱宁夏粮食作物害虫

    dict.cnki.net

  • The prerequisite for the natural enemies to be able to control insect pest is that the increase of injurious insects is restrained by the density of the latter.

    捕食天敌防治病害前提害虫猎物数量增长害虫自身密度制约

    dict.cnki.net

  • Entomogenous fungi constitute the largest taxonomic group of insect pathogens. They can usually lead to suppression of injurious insect populations in nature without any help from man.

    昆虫病原真菌自然环境中对害虫数量起着抑制作用,害虫微生物防治中也占有独特地位。

    dict.cnki.net

  • Clanis bilineata tsingtauica is a kind of argricultral injurious insect, distributing in the west and north of china.

    豆天蛾大型农业害虫我国西部北部地区广泛分布

    dict.cnki.net

  • One-way movement of the gut contents prevents accumulation of toxic substances to injurious levels, enabling the insect to favourably tolerate hydrogen cyanide in cassava leaves.

    单向流动可以防止有毒物质积累使臭腹腺蝗成功耐受木薯中的氰化氢

    www.insect.org.cn

  • One-way movement of the gut contents prevents accumulation of toxic substances to injurious levels, enabling the insect to favourably tolerate hydrogen cyanide in cassava leaves.

    单向流动可以防止有毒物质积累使臭腹腺蝗成功耐受木薯中的氰化氢

    www.insect.org.cn

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