Adding non-crop plants enhances parasitoid fitness on potato plants, but not pest densities

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2024-10-30 DOI:10.1016/j.cropro.2024.107010

Yusha Wang , Yongping Zhou , Ruwen Li , Ambreen Masqsood , Hongsong Chen , Zhenqiang Qin , Jingfang Yang , Jiali Zhang , Lin Jing , Huihua Tan , Zhongshi Zhou

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引用次数: 0

Abstract

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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添加非作物植物可提高寄生虫对马铃薯植株的适应性，但不能提高害虫密度

保护性生物防治（CBC）旨在通过有意吸引、保留和促进天敌的适应性和有效性来加强对害虫的控制/抑制。由于农业生态系统中碳水化合物来源非常有限，提供替代碳水化合物来源（如花蜜糖、淀粉）可提高天敌的存活率、繁殖力和有效性。在实验室条件下，我们分析了栖息地管理中的五种开花非作物植物对寄生虫 Aenasirus bambawalei Hayat（膜翅目：Encyrtidae）寿命、产卵量和繁殖性能的影响，Aenasirus bambawalei Hayat 是蚧壳虫 Phenacoccus solenopsis（半翅目：伪球虫科）的主要天敌。此外，我们还测量了开花候选植物对蚧壳虫寄主偏好和种群增长的影响。与只喂水相比，五种开花的非农作物物种：蓼科（Fagopyrum esculentum）、菊科（Tagetes erecta）、豆科（Vicia faba）、芸香科（Lobularia maritima）和芫荽科（Coriandrum sativum）都能提高褐飞虱的寿命和产卵量。然而，只有喂食 F. esculentum、V. faba 和 L. maritima 的雌虫的总后代数和雌性后代数分别比喂食水的高出 16% 和 13%。这五种非作物植物都不会增加作物植株上或整个系统（非作物植株+作物植株）中的蚧壳虫数量，五种不同植物组合中的蚧壳虫数量也没有显著差异。所有这五种开花候选植物都会对 A. bambawalei 的寿命和/或繁殖能力产生积极影响，但不会导致作物植株上的蚧虫数量增加。

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来源期刊

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.