大西洋林冬青挥发油作为一种替代生物农药防治储藏害虫和种传疾病

IF 3.8 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biocatalysis and agricultural biotechnology Pub Date : 2025-06-18 DOI:10.1016/j.bcab.2025.103642

Rubens Candido Zimmermann , Carolina Gracia Poitevin , Ana Marta Schafaschek , Milena Ielen , Sofia Bin Macedo , Wanderlei do Amaral , Greissi Tente Giraldi , Edson José Mazarotto , Alessandra Benatto , Carlos Eduardo Nogueira Martins , Beatriz Helena L. N. Sales Maia , Elaine Fernanda Dos Santos , Joatan Machado da Rosa , Henrique da Silva Silveira Duarte

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引用次数: 0

摘要

精油对多种农业害虫和病原菌具有杀虫和杀真菌的作用。对大西洋森林的植物区系进行生物勘探对确定具有生物农药开发潜力的物种至关重要。本研究旨在评价巴西木挥发油（DBEO）对象乳杆菌属、曲霉属和镰刀菌属的杀虫和杀真菌性能，并进行种子萌发环境安全性研究。结果gc - ms鉴定出29个化合物，占总化学成分的81.31%。DBEO熏蒸处理的死亡率更高，对米象和玉米象的死亡率分别为45%和51.66%。生化分析结果显示，玉米玉米球菌谷胱甘肽s -转移酶和脂质过氧化活性降低，酯酶（EST-α和EST-β）和乙酰胆碱酯酶活性升高。当接触抑制率为1.5%时，对所有菌株的杀真菌活性均超过95%，MIC值为0.5% ~ 1.75%。DBEO处理后小麦种子发芽率达到97.3%。结论DBEO作为一种生物农药，在不影响小麦种子发芽率的前提下，有望用于小麦种子的植物检疫管理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The essential oil of Drimys brasiliensis (Winteraceae) from Atlantic forest as an alternative biopesticide against stored pests and seedborne diseases

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The essential oil of Drimys brasiliensis (Winteraceae) from Atlantic forest as an alternative biopesticide against stored pests and seedborne diseases

Background

Essential oils (EOs) exhibit insecticidal and fungicidal activities against various agricultural pests and pathogenic fungi. Bioprospecting the flora of the Atlantic Forest is crucial for identifying species with potential applications in biopesticide development. The present study aimed to evaluate the insecticidal and fungicidal properties of Drimys brasiliensis essential oil (DBEO) against genus of Sitophilus, Aspergillus and Fusarium along with environmental safety study - seed germination.

Results

GC-MS identified 29 compounds, accounting for 81.31 % of the total chemical composition. DBEO demonstrated greater mortality via fumigation, with rates of 45 % for Sitophilus oryzae and 51.66 % for Sitophilus zeamais. Biochemical analysis revealed reduced glutathione S-transferase and lipid peroxidation in S. oryzae, while S. zeamais exhibited increased activities of esterases (EST-α and EST-β) and acetylcholinesterase. Fungicidal activity via contact inhibition exceeded 95 % at 1.5 % against all isolates, with MIC values ranging from 0.5 % to 1.75 %. Wheat seed germination after DBEO treatment reached 97.3 %.

Conclusions

These findings suggest that DBEO holds promise as a biopesticide for phytosanitary management in storage systems, without impact the germination percent of wheat seeds.

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来源期刊

Biocatalysis and agricultural biotechnology Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

7.70

自引率

2.50%

发文量

308

审稿时长

48 days

期刊介绍： Biocatalysis and Agricultural Biotechnology is the official journal of the International Society of Biocatalysis and Agricultural Biotechnology (ISBAB). The journal publishes high quality articles especially in the science and technology of biocatalysis, bioprocesses, agricultural biotechnology, biomedical biotechnology, and, if appropriate, from other related areas of biotechnology. The journal will publish peer-reviewed basic and applied research papers, authoritative reviews, and feature articles. The scope of the journal encompasses the research, industrial, and commercial aspects of biotechnology, including the areas of: biocatalysis; bioprocesses; food and agriculture; genetic engineering; molecular biology; healthcare and pharmaceuticals; biofuels; genomics; nanotechnology; environment and biodiversity; and bioremediation.