NDLI: Characterization and Growing Development of Spodoptera exigua (Lepidoptera: Noctuidae) Larvae Infected by Heliothis virescens ascovirus 3h (HvAV-3h).

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Journal of Economic Entomology October 2016 Volume 109 Number 5 - Front Cover.

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Journal of Economic Entomology October 2016 Volume 109 Number 5 - TOC.

Year: 2016 Volume: 109 Issue: 4

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Characterization and Growing Development of Spodoptera exigua (Lepidoptera: Noctuidae) Larvae Infected by Heliothis virescens ascovirus 3h (HvAV-3h).

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Hu, Jue Wang, Xing Zhang, Yue Zheng, Yang Zhou, Shuang Huang, Guo-Hua
Description	Author Affiliation: Hu J ( Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, Changsha 410128, China (cynthia910830@qq.com); Wang X ( Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, Changsha 410128, China (cynthia910830@qq.com); Zhang Y ( College of Plant Protection, Hunan Agricultural University, Changsha 410128, China (m15074818434@163.com); Zheng Y ( College of Plant Protection, Hunan Agricultural University, Changsha 410128, China (m15074818434@163.com); Zhou S ( College of Plant Protection, Hunan Agricultural University, Changsha 410128, China (m15074818434@163.com); Huang GH ( Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, Changsha 410128, China (cynthia910830@qq.com)
Abstract	Spodoptera exigua (Hübner) is a very serious worldwide pest capable of causing severe economic losses in numerous agricultural crops. The need for an effective, highly virulent, pathogenic microorganism for use as a biological control agent against S. exigua larvae is particularly important. Heliothis virescens ascovirus 3 h (HvAV-3h)-containing hemolymph with a titer of 9.58 × 10(12) genome copies per ml was used to inoculate S. exigua larvae per os with a 1.06 × 10(10) dosage per larva for the first- to second instar and 9.58 × 10(9) genome copies per larva for the third- to fifth instars. Intrahemocoelic injections were also used with a dosage of 1.53 × 10(9) genome copies per larva for third- to fifth instar. The postinjection mortality, body weight, and food intake of the S. exigua larvae were observed and recorded. The corrected mortality rates for the first- through fifth instar inoculated per os were 21.88 ± 0.98, 22.22 ± 4.00, 8.89 ± 4.01, 6.66 ± 3.33, and 8.89 ± 2.94%, respectively. The early instars were significantly easier to infect with virus compared to the later instar. The corrected mortality of the third, fourth, and fifth instars inoculated by injection was 96.58 ± 3.42, 98.83 ± 1.17, and 97.78 ± 2.22%, respectively. Compared to the healthy larval population, survival time of the diseased larval population was considerably extended. In addition, food intake was greatly reduced, and the body weight remained fairly constant in the third- and fourth instar. The body weight declined in the fifth instar corresponding to a reduction in food intake.
File Format	HTM / HTML
ISSN	00220493
e-ISSN	1938291X
Journal	Journal of Economic Entomology
Issue Number	5
Volume Number	109
Language	English
Publisher	Oxford University Press
Publisher Date	2016-10-01
Publisher Place	Great Britain (UK)
Access Restriction	Open
Subject Keyword	Discipline Zoology
Content Type	Text
Resource Type	Article
Subject	Ecology Medicine Insect Science

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Regulation of Chitinase in Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) During Infection by Heliothis virescens ascovirus 3h (HvAV-3h)

Growth and Development of Helicoverpa armigera (Lepidoptera: Noctuidae) Larvae Infected by Heliothis virescens ascovirus 3i (HvAV-3i)

Imperfection works: Survival, transmission and persistence in the system of Heliothis virescens ascovirus 3h (HvAV-3h), Microplitis similis and Spodoptera exigua

Phylogenetic Position and Replication Kinetics of Heliothis virescens Ascovirus 3h (HvAV-3h) Isolated from Spodoptera exigua

A Comparison of Growth and Development of Three Major Agricultural Insect Pests Infected with Heliothis virescens ascovirus 3h (HvAV-3h)

Transmission of Ascovirus from Heliothis virescens (Lepidoptera: Noctuidae) by Three Parasitoids and Effects of Virus on Survival of Parasitoid Cardiochiles nigriceps (Hymenoptera: Braconidae)

Isolation and characterization of microsatellite loci from Spodoptera exigua (Lepidoptera: Noctuidae)

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A lipase-like gene from Heliothis virescens ascovirus (HvAV-3e) is essential for virus replication and cell cleavage

Characterization and Growing Development of Spodoptera exigua (Lepidoptera: Noctuidae) Larvae Infected by Heliothis virescens ascovirus 3h (HvAV-3h).

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