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Journal of Integrative Agriculture  2020, Vol. 19 Issue (2): 389-393    DOI: 10.1016/S2095-3119(19)62826-1
Section 4 Integrative management strategies for potato insect pests Advanced Online Publication | Current Issue | Archive | Adv Search |
Potential of Steinernema carpocapsae (Weiser) as a biological control agent against potato tuber moth, Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae)
YAN Jun-jie1, 2, Shovon Chandra SARKAR1, MENG Rui-xia2, Stuart REITZ3, GAO Yu-lin1 
1 State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R.China
2 College of Agronomy, Inner Mongolia Agricultural University, Hohhot 010019, P.R.China
3 Department of Crop and Soil Sciences, Malheur County Extension, Oregon State University, Ontario, OR 97914, USA
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The entomopathogenic nematode, Steinernema carpocapsae, was evaluated for control of the potato tuber moth, Phthorimaea operculella, under laboratory conditions.  We evaluated different concentrations of S. carpocapsae for control of 2nd, 3rd, and 4th instar P. operculella.  The median lethal concentration (LC50) of S. carpocapsae infective juveniles (IJs) to 2nd, 3rd and 4th instar larvae of P. operculella was 200, 363, 181 IJs mL–1, respectively.  With the extension of treatment time, the cumulative mortality increased for 2nd, 3rd, and 4th instar larvae and pupae of P. operculella.  Fourth instars were the most susceptible for all observation periods.  Therefore, our results suggest that S. carpocapsae could be an effective biological control agent for P. operculella.
Keywords:  Steinernema carpocapsae        Phthorimaea operculella        patato        integrated biological pest control  
Received: 25 April 2019   Accepted:
Fund: This work was supported in part by the National Key Research and Development Program of China (2018YFD0200802).
Corresponding Authors:  Correspondence GAO Yu-lin, Tel: +86-10-62815930, E-mail: gaoyulin@   
About author:  YAN Jun-jie, Tel: +86-10-62815930, E-mail:;

Cite this article: 

YAN Jun-jie, Shovon Chandra SARKAR, MENG Rui-xia, Stuart REITZ, GAO Yu-lin. 2020.

Potential of Steinernema carpocapsae (Weiser) as a biological control agent against potato tuber moth, Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae)
. Journal of Integrative Agriculture, 19(2): 389-393.

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