草莓中常用杀菌剂对 Amblyseius swirskii、Neoseiulus cucumeris 和 Neoseiulus californicus(介形目:Phytoseiidae)的残留影响。

IF 1.8 2区 农林科学 Q2 ENTOMOLOGY
Experimental and Applied Acarology Pub Date : 2024-08-01 Epub Date: 2024-06-13 DOI:10.1007/s10493-024-00928-1
Allan Busuulwa, Alexandra M Revynthi, Oscar E Liburd, Sriyanka Lahiri
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引用次数: 0

摘要

佛罗里达州的草莓产业目前年产值达 5.11 亿美元,但面临着病原体和节肢动物害虫的挑战,特别是 Tetranychus urticae Koch(双斑蜘蛛螨)和 Scirtothrips dorsalis Hood(辣椒蓟马)。捕食螨,特别是 Neoseiulus cucumeris Oudemans、Neoseiulus californicus McGregor 和 Amblyseius swirskii Athias-Henriot,在害虫管理中发挥着至关重要的作用。然而,目前病原体管理策略中使用的杀真菌剂对这些生物防治剂的影响令人担忧。本研究评估了草莓中常用杀菌剂对这些捕食螨的生存、取食和产卵的残留影响。测试的杀菌剂包括两种 Captan 制剂、过氧化氢 + 过氧乙酸、霜脲氰 + 氟啶虫腈、二硫化四甲基秋兰姆、氟虫腈和对照。所有测试的杀菌剂都对天敌的存活、取食和产卵有影响。在杀真菌剂处理中,腈菌唑+氟啶虫酰胺处理的天敌存活率最低,而过氧化氢+过氧乙酸和二硫化四甲基秋兰姆处理的天敌存活率最高。在所有处理中,不同捕食者的摄食和产卵量差别很大;具体来说,N. cucumeris 和 A. swirskii 的猎物消耗量最低,而 N. californicus 的猎物消耗量最高。这些发现凸显了杀真菌剂与捕食螨之间潜在的不相容性,并表明有必要根据捕食螨对杀真菌剂的不同敏感性制定杀真菌剂轮换计划。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Residual effect of commonly used fungicides in strawberries on Amblyseius swirskii, Neoseiulus cucumeris, and Neoseiulus californicus (Mesostigmata: Phytoseiidae).

Residual effect of commonly used fungicides in strawberries on Amblyseius swirskii, Neoseiulus cucumeris, and Neoseiulus californicus (Mesostigmata: Phytoseiidae).

Florida's strawberry industry is currently valued at $511 million annually but faces challenges from pathogens and arthropod pests especially Tetranychus urticae Koch (twospotted spider mite) and Scirtothrips dorsalis Hood (chilli thrips). Predatory mites, particularly Neoseiulus cucumeris Oudemans, Neoseiulus californicus McGregor, and Amblyseius swirskii Athias-Henriot, play a crucial role in pest management. However, there are concerns regarding how these biological control agents are affected by fungicides used in current pathogen management strategies. This study assessed the residual effects of commonly used fungicides in strawberries on the survival, feeding, and oviposition of these predatory mites. Commercially sourced predatory mites were reared on S. dorsalis larvae, and gravid female predators placed on fungicide treated strawberry leaf discs in a Munger cell for 120 h. Fungicides tested included two formulations of Captan, hydrogen peroxide + peroxyacetic acid, cyprodinil + fludioxonil, tetramethylthiuram disulfide, cyflufenamid and a control. All fungicides tested had an impact on the survival, feeding, and oviposition of the predators. Among the fungicide treatments, the lowest predator survival was observed in the cyprodinil + fludioxonil treatment, while the highest was observed in the hydrogen peroxide + peroxyacetic acid and tetramethylthiuram disulfide treatments. In all treatments, feeding and oviposition greatly varied among predators; specifically, N. cucumeris and A. swirskii had the lowest prey consumption, while N. californicus had the highest. These findings highlight the potential incompatibility between fungicides and predatory mites and demonstrate the need for the development of a fungicide rotation program tailored to the different susceptibilities of predators to fungicides.

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来源期刊
CiteScore
3.90
自引率
9.10%
发文量
81
审稿时长
4-8 weeks
期刊介绍: Experimental and Applied Acarology publishes peer-reviewed original papers describing advances in basic and applied research on mites and ticks. Coverage encompasses all Acari, including those of environmental, agricultural, medical and veterinary importance, and all the ways in which they interact with other organisms (plants, arthropods and other animals). The subject matter draws upon a wide variety of disciplines, including evolutionary biology, ecology, epidemiology, physiology, biochemistry, toxicology, immunology, genetics, molecular biology and pest management sciences.
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