The use of Bacterial Indol-3-acetic acid (IAA) for reduce of chemical fertilizers doses

IF 0.8 4区工程技术 Q4 ENGINEERING, CHEMICAL

Hemijska Industrija Pub Date : 2017-07-26 DOI:10.2298/HEMIND160317029D

S. Đorđević, D. Stanojević, M. Vidović, Violeta Mandić, I. Trajković

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引用次数: 4

Abstract

The standard technology of seed processing uses mainly chemical products . Recent researches showed that toxic materials from chemical fertilizers can be harmful to humans, animals and the environment. Currently the attention of researches is shifting away from chemical fertlizers and toward alternative that consumers perceive to be natural, Plant Growth Promoting bacteria (PGP). PGP bacteria could be a way to reduce chemical fertilizer doses . This was the reason to test the ability of Bacillus megaterium , Azotobacter chroococcum to produce hormone auxin (IAA). Bacterial strains were identified by PCR amplification and sequencing of the 16S rRNA gene. Indole-3-acetic acid (IAA) was detected and quantified by MRM experiment. This study conducted that maize seed inoculation with IAA from species mentioned above showed positive effects. They had statistically significantly higher root and steam height compared to control seedlings. Bacterial strains tested in this study may be recommended as PGP (Plant Growth Promoting) bacteria, due to their positive effects and eventually can be used to reduce chemical fertilizers doses.

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细菌吲哚-3-乙酸(IAA)用于减少化肥用量

种子加工的标准技术主要使用化学产品。最近的研究表明，化肥中的有毒物质可能对人类、动物和环境有害。目前，研究的注意力正从化学肥料转向消费者认为是天然的替代品，植物生长促进细菌(PGP)。PGP细菌可能是减少化肥用量的一种方法。这就是为什么要测试巨型芽孢杆菌、嗜绿固氮杆菌产生激素生长素(IAA)的能力。采用PCR扩增和16S rRNA基因测序鉴定菌株。采用MRM法对吲哚-3-乙酸(IAA)进行检测和定量。本研究表明，用上述品种的IAA接种玉米种子均有良好的效果。与对照苗相比，它们的根高和蒸汽高具有统计学意义上的显著性。本研究中测试的细菌菌株可能被推荐为PGP(植物生长促进)细菌，因为它们具有积极的作用，最终可以用来减少化学肥料的剂量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Hemijska Industrija 工程技术-工程：化工

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal Hemijska industrija (abbreviation Hem. Ind.) is publishing papers in the field of Chemical Engineering (Transport phenomena; Process Modeling, Simulation and Optimization; Thermodynamics; Separation Processes; Reactor Engineering; Electrochemical Engineering; Petrochemical Engineering), Biochemical Engineering (Bioreactors; Protein Engineering; Kinetics of Bioprocesses), Engineering of Materials (Polymers; Metal materials; Non-metal materials; Biomaterials), Environmental Engineeringand Applied Chemistry. The journal is published bimonthly by the Association of Chemical Engineers of Serbia (a member of EFCE - European Federation of Chemical Engineering). In addition to professional articles of importance to industry, scientific research papers are published, not only from our country but from all over the world. It also contains topics such as business news, science and technology news, information on new apparatus and equipment, and articles on environmental protection.