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Oviposition preference and two-sex life table of Plutella xylostella and its association with defensive enzymes in three Brassicaceae crops

文献类型： 外文期刊

作者： Ahmed, Muhammad Afaq 1 ; Cao, He-He 1 ; Jaleel, Waqar 2 ; Amir, Muhammad Bilal 1 ; Ali, Muhammad Yasir 1 ; Smagghe, Guy 4 ; Liu, Tong-Xian 1 ;

作者机构： 1.Qingdao Agr Univ, Coll Plant Hlth & Med, Key Lab Integrated Crop Pest Management Shandong, Qingdao 266109, Shandong, Peoples R China

2.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangzhou 510640, Peoples R China

3.Hebei Univ, Coll Life Sci, Inst Life Sci & Green Dev, Dept Bioinformat, Baoding 071002, Peoples R China

4.Univ Ghent, Fac Biosci Engn, Dept Plants & Crops, B-9000 Ghent, Belgium

关键词： Plutella xylostella; Brassicaceae; Oviposition preference; Two-sex life table; Defensive enzymes

期刊名称：CROP PROTECTION （ 影响因子：3.036； 五年影响因子：3.32 ）

ISSN： 0261-2194

年卷期： 2022 年 151 卷

页码：

收录情况： SCI

摘要： The diamondback moth (Plutella xylostella) is a worldwide devastating pest specialized on Brassicaceae plants, including three main vegetables of China i.e., cabbage, Chinese cabbage, and radish. To develop a cost-effective control program, we compared the adult oviposition preference and life table parameters of P. xylostella on these three crops. In the no-choice and choice oviposition tests, P. xylostella females laid more eggs on Chinese cabbage than radish and cabbage. In addition, P. xylostella larvae consumed more leaves when feeding on Chinese cabbage compared with other plants. The age-stage two-sex life table indicated that the intrinsic rate of increase (r) of P. xylostella was higher on Chinese cabbage (0.233 d(-1)) than radish (0.203 d(-1)), and cabbage (0.135 d(-1)). The fecundity was the highest on Chinese cabbage, while developmental duration from egg to adult on Chinese cabbage was significantly shorter. Chinese cabbage leaves exhibited lower activities of defensive enzymes and significantly higher total protein content, which may account for the higher preference and performance of P. xylostella on Chinese cabbage. These results suggest that Chinese cabbage is highly susceptible to P. xylostella and needs more frequent monitoring and control strategies against this pest, although field trials are needed to confirm these findings.

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