Guang Zou , Xuli Zhu , Jinmin Yuan , Bingxia Feng , Maofa Yang , Jianfeng Liu , Xiaofei Yu
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引用次数: 0
Abstract
Non-consumptive effects of predators, such as olfactory cues, may profoundly influence prey life-history strategies, shaping ecological interactions beyond direct predation. This study examined how olfactory cues from different instar stages of the predatory midge Aphidoletes aphidimyza (Rondani) (Diptera: Cecidomyiidae) affected the development, survival, and reproduction of the green peach aphid Myzus persicae (Sulzer) (Hemiptera: Aphididae). The results revealed that exposure to predator cues prolonged developmental time in later 3rd- and 4th-instars. However, 1st-instar nymphs reduced survival to adulthood, whereas older nymphs prioritized survival but had lower reproductive success, shorter pre-oviposition and oviposition periods, lower fecundity, and reduced longevity, suggesting a trade-off between immediate survival and future reproductive fitness. The 3rd-instar A. aphidimyza larvae induced stronger negative effects than 1st-instar larvae on reproductive performance of adult aphids, particularly when immature aphids were exposed to predatory cues at the 4th-instar. These results were likely due to intensified cue emission by larger and older A. aphidimyza larvae and the reproductive vulnerability of 4th-instar nymphs in response to predatory cues. Our findings demonstrate the potential of predator olfactory cues to regulate prey populations by inducing stress-related changes in survival, development, and reproduction, highlighting their ecological significance and applicability in sustainable pest management strategies.
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.