Dataset Information

Draft Genome Sequences of Three Nitrogen-Fixing Strains Isolated from Soil Cooled for Growing Temperate Root Crops in a Tropical Climate.

ABSTRACT: Nitrogen-fixing bacteria can form a symbiotic relationship with several members of the major plant groups and with fungi. Here, we present the draft genome sequences of three nitrogen-fixing strains isolated from soil cooled for growing temperate root crops in a tropical climate.

SUBMITTER: Shaarani S

PROVIDER: S-EPMC9476910 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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Draft Genome Sequences of Three Nitrogen-Fixing Strains Isolated from Soil Cooled for Growing Temperate Root Crops in a Tropical Climate.

Shaárani Shazwana S Ahmad Sabri Nurul Syazwani NS Riyadi Fatimah Azizah FA Md Akhir Fazrena Nadia FN Othman Nor'azizi N Hara Hirofumi H

Microbiology resource announcements 20220824 9

Nitrogen-fixing bacteria can form a symbiotic relationship with several members of the major plant groups and with fungi. Here, we present the draft genome sequences of three nitrogen-fixing strains isolated from soil cooled for growing temperate root crops in a tropical climate. ...[more]

PMID: 36000856

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Project description:Regenerative agriculture and the use of bioinputs have been gaining prominence in the global agribusiness sector, driven by the growing demand for healthier foods produced with minimal impact on ecosystems. In this context, compost and its derivatives (compost extracts and teas) are used to provide effective microorganisms to crops, although production processes affect the efficiency of compost extracts, as well as the soil microbiota. Thus, the hypothesis raised was that the organic matter source used for compost formation affects the agronomic efficiency of compost extracts. The objective of this study was to evaluate the effect of compost extracts based on litterfall of angiosperm (AC) and gymnosperm (GC) species, and the use of inoculation with the nitrogen-fixing bacteria Bradyrhizobium japonicum and Azospirillum brasilense (Bra+Azo), on soil quality, crop growth, grain yield, and disease control in soybean (Glycine max L.) crops. Using AC and GC resulted in varying effects on soybean growth and soil microbial biomass carbon (SMBC), confirming the hypothesis that the organic matter source affects the agronomic efficiency of compost extracts. Plants inoculated with Bra+Azo exhibited higher chlorophyll contents, resulting in a higher photochemical yield than for those treated with compost extracts (AC and GC). However, plants inoculated with AC and GC exhibited high plasticity in mitigating photochemical stress, reaching similar photosynthetic and transpiration rates to those observed in plants inoculated with Bra+Azo. Additionally, inoculation with Bra+Azo, overall, improved the photosynthetic efficiency of soybean plants, and the compost extracts (AC and GC) were more effective than the inoculation with Bra+Azo in increasing soybean 1000-grain weight, probably due to improvements in root development. The growth promotion observed with AC and GC is likely attributed to increases in SMBC by these compounds, denoting improvements in soil quality and biocontrol of damage caused by insect attacks.

Dataset Information

Draft Genome Sequences of Three Nitrogen-Fixing Strains Isolated from Soil Cooled for Growing Temperate Root Crops in a Tropical Climate.

Publications

Draft Genome Sequences of Three Nitrogen-Fixing Strains Isolated from Soil Cooled for Growing Temperate Root Crops in a Tropical Climate.

Similar Datasets

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