Bioaugmentation: a strategy for enhanced degradation of pesticides in biobed.

IF 1.4 4区 农林科学 Q4 ENVIRONMENTAL SCIENCES Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes Pub Date : 2024-01-01 Epub Date: 2024-09-23 DOI:10.1080/03601234.2024.2406132
Garima Sethi, Renu Saini, Tirthankar Banerjee, Neera Singh
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Abstract

Biopurification system (BPS) or biobeds are low-cost system for decontamination of on-farm generated pesticide waste. A biobed contains a mixture of soil, lignocellulosic biomass and organic matter source (compost/peat) and works on the principal of retention of pesticide in high organic matter matrix and its subsequent degradation by microbes. Bioaugmentation, a green technology, is defined as the improvement of the degradative capacity of biobeds by augmenting specific microorganisms. During last 20 years, several studies have evaluated pesticide degradation in biobeds augmented with bacterial and fungal species and prominent microorganism include genus Pseudomonas, Sphingomonas, Arthrobacter, Phanerochaete, Stereum, Delftia, Trametes, Streptomyces etc. Degradation of pesticides belonging to major classes have been studied in the bioaugmented biobeds. Studies suggested that some pesticides were degraded faster in the bioaugmented biobeds subject to survival and proliferation of degrading microbe. However, no effect of bioaugmentation was observed on degradation of some pesticides and no clear reason for the same was evident. Bioaugmentation with pesticide degrading microorganisms/consortium in combination with rhizosphere-assisted biodegradation could be an optimal strategy for accelerating the degradation of pesticides in biobeds.

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生物增效:生物床中增强农药降解的策略。
生物净化系统(BPS)或生物床是用于净化农场产生的农药废物的低成本系统。生物床包含土壤、木质纤维素生物质和有机物源(堆肥/泥煤)的混合物,其工作原理是将杀虫剂保留在高有机物基质中,然后由微生物降解。生物增效是一种绿色技术,是指通过增加特定微生物来提高生物床的降解能力。在过去的 20 年中,有多项研究评估了在添加细菌和真菌物种的生物床中农药的降解情况,主要微生物包括假单胞菌属、鞘氨单胞菌属、节杆菌属、拟杆菌属、Stereum 属、Delftia 属、Trametes 属、Streptomyces 属等。在生物增殖生物床中对主要类别农药的降解进行了研究。研究表明,由于降解微生物的存活和增殖,一些农药在生物增殖生物床中降解得更快。但是,没有观察到生物增殖对某些农药的降解产生影响,也没有明确的原因。用降解农药的微生物/菌群进行生物增殖,并结合根瘤菌辅助生物降解,可能是加速生物床中农药降解的最佳策略。
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来源期刊
CiteScore
4.00
自引率
5.00%
发文量
87
审稿时长
1 months
期刊介绍: 12 issues per year Abstracted/indexed in: Agricola; Analytical Abstracts; ASFA 3: Aquatic Pollution & Environmental Quality; BioSciences Information Service of Biological Abstracts (BIOSIS); CAB Abstracts; CAB AGBiotech News and Information; CAB Irrigation & Drainage Abstracts; CAB Soils & Fertilizers Abstracts; Chemical Abstracts Service Plus; CSA Aluminum Industry Abstracts; CSA ANTE: Abstracts in New Technology and Engineering; CSA ASFA 3 Aquatic Pollution and Environmental Quality; CSA ASSIA: Applied Social Sciences Index & Abstracts; CSA Ecology Abstracts; CSA Entomology Abstracts; CSA Environmental Engineering Abstracts; CSA Health & Safety Science Abstracts; CSA Pollution Abstracts; CSA Toxicology Abstracts; CSA Water Resource Abstracts; EBSCOhost Online Research Databases; Elsevier BIOBASE/Current Awareness in Biological Sciences; Elsevier Engineering Information: EMBASE/Excerpta Medica/ Engineering Index/COMPENDEX PLUS; Environment Abstracts; Environmental Knowledge; Food Science and Technology Abstracts; Geo Abstracts; Geobase; Food Science; Index Medicus/ MEDLINE; INIST-Pascal/ CNRS; NIOSHTIC; ISI BIOSIS Previews; Pesticides; Food Contaminants and Agricultural Wastes: Analytical Abstracts; Pollution Abstracts; PubSCIENCE; Reference Update; Research Alert; Science Citation Index Expanded (SCIE); and Water Resources Abstracts.
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