Use of plant growth-promoting rhizobacteria to ameliorate the performance of lentil under salinity

IF 1.2 4区生物学 Q2 Agricultural and Biological Sciences

Journal of Applied Botany and Food Quality-Angewandte Botanik Pub Date : 2019-09-09 DOI:10.5073/JABFQ.2019.092.024

A. Muscolo, M. Panuccio, Zhair Zhair, S. Mahmood, S. Nadeem

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引用次数: 3

Abstract

In the current agricultural model, the increasing soil salinity, especially in arid and semiarid regions, causes environmental and economic losses. Inoculation of plant with growth-promoting rhizobacteria (PGPR) can be a sustainable strategy to increase plant abiotic stress tolerance mainly in the early vulnerable stage of their growth. The efficiency of PGPR inoculation was evaluated in three Italian lentil accessions and two Pakistan native varieties differing in salinity tolerance. Pseudomonas putida (6), Pseudomonas fluorescens (6K) and Serratia ficaria (W10) were used as bio-inoculants. Seedling growth was detected 16 days after NaCl treatments. Results showed that in absence of salinity, all strains increased differently the growth of lentils compared to the un-inoculated ones. Inoculum significantly increased the growth of the most salt sensitive in comparison to the most salt resistant varieties. 6 and 6K were the most effective growth-inducers under salinity stress. A specificity between PGPR and lentil was evident. 6K mostly improved biomass and growth of the Italian accessions, while the strain 6 mostly affected the Pakistan landraces.

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利用植物促生根瘤菌改善盐碱条件下小扁豆的生产性能

在目前的农业模式中，土壤盐分的增加，特别是在干旱和半干旱地区，会造成环境和经济损失。植物接种促生根瘤菌(PGPR)是提高植物非生物胁迫耐受性的一种可持续策略，主要发生在植物生长的早期脆弱阶段。用3个意大利小扁豆和2个耐盐性不同的巴基斯坦本地品种对PGPR接种效果进行了评价。以恶臭假单胞菌(6)、荧光假单胞菌(6K)和沙雷氏菌(W10)作为生物接种剂。NaCl处理16 d后检测幼苗生长情况。结果表明，在不加盐的情况下，各菌株的扁豆生长均比未接种的菌株有所不同。与最耐盐品种相比，接种量显著提高了最盐敏感品种的生长。6和6K是盐胁迫下最有效的生长诱导剂。PGPR与小扁豆之间具有明显的特异性。6K主要改善了意大利品种的生物量和生长，而菌株6主要影响巴基斯坦本土品种。

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来源期刊

Journal of Applied Botany and Food Quality-Angewandte Botanik 生物-植物科学

CiteScore

2.50

自引率

0.00%

发文量

审稿时长

20 weeks

期刊介绍： The Journal of Applied Botany and Food Quality is the Open Access journal of the German Society for Quality Research on Plant Foods and the Section Applied Botany of the German Botanical Society. It provides a platform for scientists to disseminate recent results of applied plant research in plant physiology and plant ecology, plant biotechnology, plant breeding and cultivation, phytomedicine, plant nutrition, plant stress and resistance, plant microbiology, plant analysis (including -omics techniques), and plant food chemistry. The articles have a clear focus on botanical and plant quality aspects and contain new and innovative information based on state-of-the-art methodologies.