Abstract
A strain of Cytoplasmic polyhedrosis virus (CPV) was separated from the infected larva during the research of integrated pest management ofDendrolimus superans. The morphology, bioassay, histopathology and field-test for this CPV were studied. The size of CPV is 0.16 μm×1.57 μm and the virion is 16.0 nm×58.1 nm. The LC50 to the 3rd and 5th instar larva ofDendrolimus superans were 2.81×104 PIB/mL and 7.17×104 PIB/mL respectively. The polyhedrosis were formed after midgut of larva were infected for 72 h. A large amount of polyhedrosis was formed after 144 h. The mortality was more than 82% and average mortality was 84.62% when using 1.17×108 PIB/mL virus suspension to control the pest in field test.
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References
Liu Renzhong. 1992. A study on the morphology, physical and chemical traits ofDendrolimus punctatus NPV. China Virology, 1992,7(1):69–72
Yan Zhixue, Li Shiguo. 1993 A study on the morphology and pathologyDendrolimus spectabilis butler NPV. Insect-killing Microorganism,3:137–139
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The project was supported by the Natural Sciences Foundation of Heilongjiang Province.
(Responsible Editor: Chai Ruihai)
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Zhiying, W., Shukui, Y., Chunsheng, J. et al. Study on Cytoplasmic polyhedrosis virus onDendrolimus superans . Journal of Forestry Research 9, 261–263 (1998). https://doi.org/10.1007/BF02912331
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DOI: https://doi.org/10.1007/BF02912331