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采用PHA体内注射肾细胞直接制片法研究青岛近海常见经济鱼类斜带髭鲷和横带髭鲷的核型.得出核型公式前者为:2n=48,2m+8sm+2st+36t,NF=58,后者为2n=48,2m+8sm+14st+24t,NF=58。斜带钱绸核型中t5和t16对......
Bursaphelenchus xylophilus is the pathogen that causes pine wilt disease,which has greatly damaged forests and ecosystem......
本文对14个拟松材线虫群体和2个松材线虫群体进行了研究,研究表明拟松材线虫群体尾尖突平均长度为3.28~5.82μm,尾形有6种,主要为亚......