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通过对接种 ZrNPV 后落叶松绶尺蠖幼虫的各种组织进行光学显微镜和电子显微镜观察、发现落叶松绶尺蠖核型多角体病毒在脂肪体,表皮细胞,中肠细胞,气管基质和血细胞内复制。上述细胞受感染后均出现明显的病理变化,细胞核增大。在电镜下可观察到受感染组织的细胞核内出现病毒粒子和多角体,70～140 h 所有受感染组织核内充满多角体。
By observing the tissues of larvae of Larix gmelini after inoculation with ZrNPV, the larch bandage nucleus polyhedrosis virus was found to replicate in fat body, epidermal cells, midgut cells, tracheal stroma and blood cells by light microscope and electron microscope. After infection of the cells were significant pathological changes, the nucleus increased. Under the electron microscope, virus particles and polyhedra were observed in the nucleus of the infected tissue, and all infected nuclei were filled with polyhedra 70 ~ 140 h later.