... 叶变须现象 pampinody 叶柄 petiole 叶柄内的 intrapetiolar ...
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系统感染长叶车前花叶病毒的青菜叶片叶柄分别作冰冻切片，运用免疫酶标技术对叶片叶柄内的病毒进行显色定位。
Chinese cabbage leaf blade and leaf stalk of Brassica Chinensis systematically infected with Ribgrass Mosaic virus was separately made by the freezing cut transection.
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