Sustainable control of Tetranychus neocaledonicus André (1933) (Acari: Tetranychidae) on lima bean through essential oils

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection Pub Date : 2025-05-07 DOI:10.1016/j.cropro.2025.107266

Ana Caroline Santos de Sousa , Elizabeth Lorena Ramos Cabral , Giovana Lopes da Silva , Mariano Oscar Anibal Ibanez Rojas , Izaias Santos Marques , Angella Maria Alencar Viana , Gutierres Nelson Silva , Solange Maria de França , Paulo Roberto Ramalho Silva , Adriele de Castro Ferreira , Alexandra Lopes Carvalho , Kamilla de Andrade Dutra , Daniela Maria do Amaral Ferraz Navarro , Douglas Rafael e Silva Barbosa

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引用次数: 0

Abstract

Tetranychus neocaledonicus André (1933) (Acari: Tetranychidae) is a significant pest of lima bean fields, and its management frequently depends on synthetic acaricides, despite the absence of licensed products permitted for this crop. This study assessed the bioactivity of Juniperus virginiana (Pinales: Cupressaceae) and Melaleuca alternifolia (Myrtales: Myrtaceae) essential oils against T. neocaledonicus as prospective management solutions. Essential oils were evaluated by gas chromatography-mass spectrometry (GC-MS), and their toxicity was determined by immersing lima bean leaf discs in oil solutions. Lethal concentrations (LC₅₀ and LC₉₀) were established for adult females, and their effects on egg viability, repellency, and population growth were assessed at sublethal concentrations (LC₂₀ and LC₃₀). Chemical research indicated that the principal components of J. virginiana oil were (Z)-thujopsene (31.94 %) and cedrol (25.61 %), whereas M. alternifolia was primarily comprised of terpinen-4-ol (47.24 %). The findings indicated that J. virginiana oil (LC₅₀ = 0.38 μL/mL) exhibited substantially greater toxicity than M. alternifolia (LC₅₀ = 1.68 μL/mL). J. virginiana had ovicidal efficacy at both LC₅₀ and LC₉₀, while M. alternifolia was only effective at LC₉₀. Both oils exhibited repellent characteristics, achieving repellency rates of 98 % for J. virginiana and 88 % for M. alternifolia at LC₃₀; however, only J. virginiana significantly reduced the instantaneous population growth rate of T. neocaledonicus. These findings highlight the potential of essential oils, particularly J. virginiana, as promising alternatives to synthetic acaricides for mite management in lima bean crops.

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精油对青豆新叶螨（蜱螨亚纲：叶螨科）的可持续防治

新叶螨（蜱螨目：叶螨科）是青豆田的一种重要害虫，其管理经常依赖于合成杀螨剂，尽管该作物没有许可产品。本研究评价了维吉尼亚杜松（松树科：柏科）和互花千层树（桃金娘科：桃金娘科）精油对新冠夜蛾的生物活性。采用气相色谱-质谱联用技术（GC-MS）评价青豆精油的毒性，并将青豆叶盘浸泡在油液中测定其毒性。分别建立了致死浓度（LC50和LC90），并在亚致死浓度（LC20和LC30）下评估了对成虫卵活力、驱避力和种群生长的影响。化学成分研究表明，维吉那挥发油的主要成分为(Z)-图参烯（31.94%）和柏油醇（25.61%），而互花松油的主要成分为松油烯-4-醇（47.24%）。结果表明，维吉那花精油（LC50 = 0.38 μL/mL）的毒性显著高于互花草精油（LC50 = 1.68 μL/mL）。维吉那菊在LC50和LC90时均有杀卵效果，而互花菊仅在LC90时有杀卵效果。两种精油均表现出驱避特性，在LC30时对弗吉尼亚菊和互花菊的驱避率分别为98%和88%；然而，只有弗吉尼亚蓟马显著降低了新喀里多尼褐飞虱的瞬时种群增长率。这些发现突出了精油的潜力，特别是J. virginia精油，作为合成杀螨剂在利马豆作物螨虫管理方面的有希望的替代品。

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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.