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中国绿刺蛾(Parasa sinica Moore)质型多角体病毒的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1985年04期
Page:
138-143
Column:
研究简报
publishdate:
1900-01-01

Article Info:/Info

Title:
STUDIES ON THE CYTOPLASMIC POLYHEDROSIS VIRUS OF PARASA SINICA MOORE
Article ID:
1000-2006(1985)04-0138-06
Author(s):
Zhou Xingheng & Li Yongjin (Nanjing Institute of Forestry)Lin Yuzhu
Nanjing Yuhuatai Memorial Park in Commemoration of the Martyrs
Keywords:
Parasa sinica Cytoplasmic polyhedrosis virus(CPV)LC_5
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1985.04.015
Document Code:
A
Abstract:
A cytoplasmic polyhedrosis virus causing an epizootic disease was isolated from the body of Parasa sinica Moore in the region of Nanjing in 1983.This virus infringed midgut of larvae, forming polyhedra in the cytoplasm of epithelial cells. The infected larvae showed reduced body size and lost appetite. The excreted feces became milky white in later stage. The midgut became milky white also, when a piece of midgut was taken and observed under microscope, many polyhedra were found.Under the electron microscope, the polyhedron is tetrahedral and hexahedral or of irregular shape, but the virion is nearly spherical with tubular structure. The LC50 inclusion body CPV concentration for the 3rd-4th instar Parasa sinica larvae was 1.21 x 10~5PIB/ml. The experiments showed that the mortality rate depended on the concentration of the virus.According to the international classification system the virus is considered to belong to Cypovirus in family Reoviridae. It is one of the species of cytoplasmic polyhedrosis viruses (CPV) .

References

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Last Update: 1900-01-01