
 植物病原線蟲(chóng)體細(xì)長(zhǎng),圓筒狀,表面光滑,頭尾稍尖。蟲(chóng)體長(zhǎng)一般為0.3~1.0 mm,寬0.015~0.035 mm。多數(shù)線蟲(chóng)雌、雄同形,少數(shù)雌、雄異形。雄蟲(chóng)蠕蟲(chóng)形,雌蟲(chóng)成熟后膨大常為梨形、檸檬形或腎形。線蟲(chóng)的蟲(chóng)體構(gòu)造較簡(jiǎn)單,蟲(chóng)體有體壁和體腔,體 (共 566 字) [閱讀本文] >>
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 植物病原線蟲(chóng)體細(xì)長(zhǎng),圓筒狀,表面光滑,頭尾稍尖。蟲(chóng)體長(zhǎng)一般為0.3~1.0 mm,寬0.015~0.035 mm。多數(shù)線蟲(chóng)雌、雄同形,少數(shù)雌、雄異形。雄蟲(chóng)蠕蟲(chóng)形,雌蟲(chóng)成熟后膨大常為梨形、檸檬形或腎形。線蟲(chóng)的蟲(chóng)體構(gòu)造較簡(jiǎn)單,蟲(chóng)體有體壁和體腔,體 (共 566 字) [閱讀本文] >>