Symbiotic matching, taxonomic position, and field assessment of symbiotically efficient rhizobia isolated from soybean root nodules in Sichuan, China

Chen, Yuan Xue; Zhou, Tao; Penttinen, Petri; Zou, Lan; Wang, Ke; Cui, Ya Qi; Heng, Nan Nan; Xu, Kai

doi:10.1007/s00374-015-1019-y

Cited by 6 publications

(3 citation statements)

References 41 publications

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“…Improving legume yields requires efficiently nitrogen-fixing symbiotic bacteria, rhizobia. Efficient rhizobium strains may be selected and applied as inoculants to increase yields [20, 28]. …”

Section: Discussionmentioning

confidence: 99%

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Genetic Diversity and Symbiotic Efficiency of Nodulating Rhizobia Isolated from Root Nodules of Faba Bean in One Field

et al. 2016

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Thirty-one nodulating rhizobium strains were collected from root nodules of spring and winter type faba bean cultivars grown in micro ecoarea, i.e. the same field in Chengdu plain, China. The symbiotic efficiency and phylogeny of these strains were studied. Effectively nitrogen fixing strains were isolated from both winter type and spring type cultivars. Based on phylogenetic analysis of 16S rRNA gene and concatenated sequence of atpD, glnII and recA genes, the isolates were assigned as Rhizobium anhuiense and a potential new Rhizobium species. The isolates were diverse on symbiosis related gene level, carrying five, four and three variants of nifH, nodC and nodD, respectively. Strains carrying similar gene combinations were trapped by both winter and spring cultivars, disagreeing with the specificity of symbiotic genotypes to reported earlier faba bean ecotypes.

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Section: Discussionmentioning

confidence: 99%

“…16S rRNA gene, atpD , glnII , recA , nifH , nodC and nodD were amplified using the primer pairs P1/P6, atpDF3/atpDR [20], glnII5/glnII6 [21], recAF3/recAR3 [20], nifHctg/nifHR [22], nodCF/nodCR [23] and NBA12F/NBA12R [24], respectively, using the related protocols. The PCR products were directly sequenced at BGI Tech (Shenzhen, China).…”

Section: Methodsmentioning

confidence: 99%

Genetic Diversity and Symbiotic Efficiency of Nodulating Rhizobia Isolated from Root Nodules of Faba Bean in One Field

et al. 2016

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“…From 2004 to 2008, about 378 and 327 Yuan per hectare were the subsidies for oil seeds and cotton crops, respectively [32]. In addition, government investment in irrigation accelerated much more rapidly from the 1980s to 2010; the average annual growth rate increased by 13 percent and reached approximately 68 billion Yuan in 2010 [33].…”

Section: Public Spending and Chinese Agricultural Output: An Overviewmentioning

confidence: 99%

Towards Sustainable Agriculture in China: Assessing the Robust Role of Green Public Investment

Xin-cai

Chandio

et al. 2022

Sustainability

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This paper reviews the long-term impact of public investments on irrigation and agricultural research and development along with other control variables, including physical capital, irrigated area, fertilizer consumption, level of mechanization, and CO2 emissions on China’s agricultural output from 1986 to 2017. This study applied various econometric methods such as the ARDL bound-testing approach and Johansen co-integration procedure to determine the long-term co-integrating connection amid the variables. The empirical outcomes from the ARDL bound-testing method confirm a long-term co-integrating connection among the variables. The long-run results demonstrated that public investment in agricultural research and development and irrigation have a substantial positive effect on agricultural productivity. Furthermore, results revealed that physical capital and fertilizer consumption also have a significant positive effect on agricultural output; however, CO2 emissions have a substantial negative effect on agricultural production. These findings therefore suggest that the policy makers of China should initiate more effective policies to increase irrigation and agricultural research and development investments. Increasing irrigation and agricultural research and development investments will enhance agricultural productivity by ensuring food security in the country.

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Encapsulation Technologies of Plant Growth‐Promoting Microorganisms and Microbial Biological Control Agents Against Plant Pathogenic Organisms

Marcial-Coba

Soria‐Delgado

Yánez‐Altuna

2021

Annual Plant Reviews Online

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As a function of the global necessity to reduce or replace the use of chemical fertilisers and pesticides, due to their toxicity, the formulation of microbial inoculants has been suggested as an environmentally friendly alternative for maintaining crop production at economically sustainable levels. In this connection, the microencapsulation of beneficial soil‐borne microorganisms is conceived as a strategy to improve the inoculant's efficiency, in terms of viability and functionality. In this article, we describe the most widely applied microencapsulation techniques, including the mechanisms and wall materials involved, as well as the advantages and shortcomings of using different encapsulation technologies. Moreover, the desiccation technologies used as a tool to extend the shelf‐life of immobilised microbes are also explained. Finally, the outcomes of various, relatively recent studies regarding the encapsulation of plant growth‐promoting microorganisms and biocontrol agents, including bacteriophages, are discussed. This article may contribute to the design of microbial inoculant delivery strategies, aiming to increase crop production and to reduce the utilisation of chemical fertilisers and pesticides.

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Symbiotic matching, taxonomic position, and field assessment of symbiotically efficient rhizobia isolated from soybean root nodules in Sichuan, China

Cited by 6 publications

References 41 publications

Genetic Diversity and Symbiotic Efficiency of Nodulating Rhizobia Isolated from Root Nodules of Faba Bean in One Field

Genetic Diversity and Symbiotic Efficiency of Nodulating Rhizobia Isolated from Root Nodules of Faba Bean in One Field

Towards Sustainable Agriculture in China: Assessing the Robust Role of Green Public Investment

Encapsulation Technologies of Plant Growth‐Promoting Microorganisms and Microbial Biological Control Agents Against Plant Pathogenic Organisms

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