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Preference and performance of the fall armyworm, Spodoptera frugiperda, on six cereal crop species

文献类型： 外文期刊

作者： Lu, Junjiao 1 ; Zhang, Biao 1 ; Zhuang, Mengmeng 1 ; Ren, Meifeng 1 ; Li, Daqi 1 ; Yan, Haiwang 1 ; Long, Jiamin 1 ; Jiang, Xiaoling 1 ;

作者机构： 1.Shanxi Agr Univ, Coll Plant Protect, Shanxi Key Lab Integrated Pest Management Agr, Taiyuan, Peoples R China

关键词： age-stage; cereal crops; fall armyworm; host suitability; infestation; invasive pest; Lepidoptera; Noctuidae; Poaceae; potential damage; Spodoptera frugiperda; two-sex life table

期刊名称：ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA （ 影响因子：1.9； 五年影响因子：2.1 ）

ISSN： 0013-8703

年卷期： 2023 年 171 卷 7 期

页码：

收录情况： SCI

摘要： The fall armyworm (FAW), Spodoptera frugiperda (JE Smith) (Lepidoptera: Noctuidae), is a major migratory invasive pest that poses a severe threat to agricultural production and food security in China. In this study, we estimated the effects of six cereal crops on the development, survival, and fecundity of FAW using the age-stage, two-sex life table: maize (Zea mays L.), wheat (Triticum aestivum L.), sorghum [Sorghum bicolor (L.) Moench], oats (Avena sativa L.), millet (species, authority) (all Poaceae), and quinoa (Chenopodium quinoa Willd.) (Amaranthaceae). In a six-choice test using detached leaf material, FAW larvae preferentially occurred on maize, followed by sorghum, within 6-24 h, and occurred the least on millet and quinoa. After 24 h, they had consumed the most leaf material from sorghum and maize, and the least from quinoa. In no-choice tests using detached leaf material, they performed best on maize in terms of development (e.g., short development time), survival (e.g., high larval survival and pupation rate), and fecundity (e.g., high number of oviposition days and number of eggs laid per female), resulting in the highest predicted population growth (e.g., high intrinsic rate of increase and net reproductive rate). Although maize was found to be the most appropriate host plant, FAW was able to complete its life cycle on all six tested cereals. Our findings can help in predicting population dynamics and deepening our understanding of the potential damage incurred by FAW infestation, especially in regions under maize cultivation.

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