土产木霉制剂对小木虱卵和成虫的生物防治

IF 3.4 2区农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biological Control Pub Date : 2025-05-25 DOI:10.1016/j.biocontrol.2025.105803

Daniela Ramírez-Lozano, Guzmán Carro-Huerga, Laura Zanfaño, Pedro A. Casquero, Álvaro Rodríguez-González

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引用次数: 0

摘要

在西班牙主要的葡萄酒产区，小木虱（Xylotrechus arvicola）（鞘翅目：天牛科）是葡萄园（Vitis vinifera）的重要害虫。由于这种害虫的生物学特性，控制这种害虫很困难。虫卵一旦孵化，幼虫就会钻入藤蔓的树干和树枝，造成严重的破坏。幼虫的发育期很长。生物防治剂（bca）作为真菌木霉属（Trichoderma spp.）已被描述为控制和预防多种植物病虫害传播的有效工具。因此，本研究的目的是评估从葡萄园中分离的原生丝虫病菌株作为葡萄球菌bca的能力。分别对木霉菌株单独和与t20和t80配制的木霉菌株进行了防虫卵和成虫试验。综上所述，本地木霉菌株及其制剂对小蠹蛾有较好的防治效果。虽然对卵和成虫的影响不同。carraovejensis （T154 + Tween 80）是防治arvicola卵的最佳配方。在田间条件下，carraovejensis （T154）和harzianum （T214）及其配方与t80对照成虫混合，可使昆虫寿命缩短50%以上。我们小组最近在生态管理的葡萄园中发现的新物种T. carraovejensis值得特别关注。carraovejensis （T154 + Tween 80）制剂可被认为是一种对葡萄葡萄球菌卵和成虫非常有效的bcaa。

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Native Trichoderma formulations to biocontrol eggs and adults of Xylotrechus arvicola

Xylotrechus arvicola (Olivier) (Coleoptera: Cerambycidae) is an important pest in vineyards (Vitis vinifera) in the main wine-producing regions of Spain. The control of this pest is difficult due to the biology of this pest. Once the eggs hatch, the larvae, which have a very long larval development, burrow into the trunks and branches of the vines, causing severe damage. Biological control agents (BCAs), as the fungi Trichoderma spp. have been described as an effective tool in controlling and preventing the spread of a variety of plant pests and diseases. Consequently, the aim of the present study was to assess the capacity native Trichodema strains isolated from vineyards as BCAs of X. arvicola. Trichoderma strains were tested alone and in formulation with Tween 20 and Tween 80 against X. arvicola eggs and adults. In conclusion, native Trichoderma strains and their formulations are effective to control X. arvicola. although with different effect on eggs and adults. T. carraovejensis (T154 + Tween 80) is the best formulation to control X. arvicola eggs. T. carraovejensis (T154) and T. harzianum (T214) and their formulations with Tween 80 control adults in field conditions, reducing the life of insects by more than 50 %. The new species, T. carraovejensis, recently discovered by our group in ecologically managed vineyards, deserves special attention. T. carraovejensis (T154 + Tween 80) formulation can be considered as highly effective BCAs on X. arvicola eggs and adults in vineyards.

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来源期刊

Biological Control 生物-昆虫学

CiteScore

7.40

自引率

7.10%

发文量

220

审稿时长

63 days

期刊介绍： Biological control is an environmentally sound and effective means of reducing or mitigating pests and pest effects through the use of natural enemies. The aim of Biological Control is to promote this science and technology through publication of original research articles and reviews of research and theory. The journal devotes a section to reports on biotechnologies dealing with the elucidation and use of genes or gene products for the enhancement of biological control agents. The journal encompasses biological control of viral, microbial, nematode, insect, mite, weed, and vertebrate pests in agriculture, aquatic, forest, natural resource, stored product, and urban environments. Biological control of arthropod pests of human and domestic animals is also included. Ecological, molecular, and biotechnological approaches to the understanding of biological control are welcome.