Potential of Steinernema carpocapsae (Weiser) as a biological control agent against potato tuber moth, Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae)
文献类型： 外文期刊
作者： Yan Jun-jie 1 ; Sarkar, Shovon Chandra 1 ; Meng Rui-xia 2 ; Reitz, Stuart 3 ; Gao Yu-lin 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
2.Inner Mongolia Agr Univ, Coll Agron, Hohhot 010019, Peoples R China
3.Oregon State Univ, Dept Crop & Soil Sci, Malheur Cty Extens, Ontario, OR 97914 USA
关键词： Steinernema carpocapsae; Phthorimaea operculella; patato; integrated biological pest control
期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）
ISSN： 2095-3119
年卷期： 2020 年 19 卷 2 期
页码：
收录情况： SCI
摘要： 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.
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