Adding non-crop plants enhances parasitoid fitness on potato plants, but not pest densities
文献类型： 外文期刊
作者： Wang, Yusha 1 ; Zhou, Yongping 2 ; Li, Ruwen 2 ; Masqsood, Ambreen 4 ; Chen, Hongsong 2 ; Qin, Zhenqiang 5 ; Yang, Jingfang 2 ; Zhang, Jiali 5 ; Jing, Lin 2 ; Tan, Huihua 1 ; Zhou, Zhongshi 1 ;
作者机构： 1.Guangxi Univ, Coll Agr, Guangxi Key Lab Agroenvironm & Agr Prod Safety, Nanning 530004, Peoples R China
2.Chinese Acad Agr Sci, Natl Nanfan Res Inst, Sanya 572019, Peoples R China
3.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China
4.Islamia Univ Bahawalpur, Dept Plant Pathol, Bahawalpur 63100, Pakistan
5.Guangxi Acad Agr Sci, Nanning 530004, Peoples R China
关键词： Non-crop plant; floral food; Conservation biological control; Phenacoccus solenopsis; Aenasius bambawalei; Longevity; egg load; Host preference
期刊名称：CROP PROTECTION （ 影响因子：2.5； 五年影响因子：3.0 ）
ISSN： 0261-2194
年卷期： 2025 年 188 卷
页码：
收录情况： SCI
摘要： Conservation biological control (CBC) aims to enhance pest regulation/suppression by intentionally attracting, retaining, and promoting the fitness and effectiveness of natural enemies. Due to carbohydrate sources being highly limited in agroecosystems, providing alternative carbohydrate sources (i.e., nectar sugars, starches) can enhance the survival, fecundity, and effectiveness of natural enemies. Under laboratory conditions, we analyzed five flowering non-crop plant species in habitat management on the longevity, egg load, and reproductive performance of the parasitoid, Aenasirus bambawalei Hayat (Hymenoptera: Encyrtidae), a key natural enemy of mealybug Phenacoccus solenopsis (Hemiptera: Pseudococcidae). Moreover, we measured the influence of the flowering candidates on the host preference and population growth of P. solenopsis. All five flowering non-crop plant species, Fagopyrum esculentum (Polygonaceae), Tagetes erecta (Asteraceae), Vicia faba (Fabaceae), Lobularia maritima (Brassicaceae), and Coriandrum sativum (Apiaceae) promoted the longevity and egg load of A. bambawalei when compared with water only. However, only the females fed on F. esculentum, V. faba, and L. maritima produced 16% and 13% higher total offspring and female offspring than on water, respectively. None of these five non-crop plant species increased the population of mealybugs on crop plants or in the overall system (non-crop plants + crop plants), and there was no significant difference in their abundance across the five different plant combinations. All five flowering candidates positively affected the longevity and/or reproductive capabilities of A. bambawalei without causing an increase in the population of mealybugs on crop plants.
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