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4 results for “microbial inoculation”
Impact of multiple soil microbial inoculants on biomass and biomass allocation of the legume crop field pea (Fabaceae: Pisum sativum L.)
<p>Food production is a global challenge and consequently, there is considerable interest in manipulating the rhizobiome using microbial inoculants (MI) to support sustainable agriculture. We investigated how three commercially-available types of plant growth-promoting MI, alone and in combination (B5: five species of <em>Bacillus</em> bacteria, GP: four species of <em>Trichoderma</em> fungi, N2: <em>Paenibacillus polymyxa</em> bacteria) impacted field pea (Fabales: Fabaceae, <em>Pisum sativum</em> L.) in the greenhouse and a two-year field experiment in the United States, North Dakota, NDSU Field Research station at Prosper ND. CON indicates controls that did not receive any MI and FC is the fertilizer control in the field experiment which also did not receive any MI. The dataset consists of data plant data from a 2-wk greenhouse experiment (GH 2wk), a 4-wk greenhouse experiment (GH 4wk), and a two-year field experiment (field). In the greenhouse, we found that effects of MI on plant performance varied, with positive effects of MI only apparent when plants were grown in the winter and likely under greater stress because they lacked nodules. Plants grown in the summer had nodules, and two-week-old MI plants had less root biomass and total plant weight than non-inoculated controls, but weight of four-week-old MI plants was similar to or greater than controls. In the field, the root-to-shoot biomass ratio was highest in non-inoculated controls, and positive effects of N2 on shoots and B5 on shoots and pod densities didn't translate into differences in pod weight or total plant weight. In most cases, plants inoculated with all three inoculants performed similarly to those receiving a single inoculant, while root colonization by arbuscular mycorrhizal fungi (AMF) was higher for B5 plants than plants in the other treatments. This research underscores the need to consider microbial and environmental context when evaluating MI. </p>
Impact of multiple soil microbial inoculants on biomass and biomass allocation of the legume crop field pea (Fabaceae: Pisum sativum L.)
Open the record for dataset details and reuse information.
Supplementary data: Integrated use of consortia-based microbial inoculants and nutrient complex stimulates the rhizosphere microbiome and soybean productivity
<p>The data represent the impact of microbial consortia consisting of different combinations of <em>Bradyrhizobium japonicum</em>, <em>Bacillus megaterium</em>, <em>Bacillus subtilis</em>, and <em>Azotobacter chroococcum</em> with or without nutrient complex (S, Mg, Mn, Fe, Zn, Cu, B, and Mo) on the abundance and activity of microorganisms in the rhizosphere, soybean growth and development, as well as the quantity and quality of seed yield under field conditions.</p> <p>A field experiment was performed to evaluate the responses of the rhizomicrobiome and soybean to seed treatments with multiple bacterial strains (<em>Bradyrhizobium japonicum</em>, <em>Bacillus subtilis</em>, <em>Bacillus megaterium</em>, and <em>Azotobacter chroococcum</em>), applied individually or in consortia, with and without nutrient complex (S, Mg, Mn, Fe, Zn, Cu, B, and Mo). Seed treatments with microbial consortia of <em>Br. japonicum</em>, <em>B. subtilis</em>/<em>B. megaterium</em>, <em>A. chroococcum</em> strains and nutrients had the highest effect on the abundance of total bacteria, azotobacters, nitrogen-fixing bacteria, actinomycetes, and activity of dehidrogenase in soybean rhizosphere. The highest effect on plant height, plant weight, pod number, pod weight, seed number, and seed weight was obtained from treatment with <em>Br. japonicum</em> strains with nutrients, followed by co-inoculation with <em>B. megaterium</em> and <em>A. chroococcum</em>. In comparison with the control and <em>Bradyrhizobium</em> single inoculation, a statistically significant increase in the seed yield was recorded in treatment with <em>Br. japonicum</em>, <em>B. megaterium</em>, <em>A. chroococcum,</em> and nutrients, reflecting the highest increase in protein and oil yield. The interactive effects of microbial consortia and nutrients could be used as promising seed technology for sustainable soybean cropping.</p>
Microbial communities of wheat plants inoculated with endophytic bacterium Enterobacter sp. SA187
GEO Series GSE147553. Triticum aestivum; unidentified soil bacteria. 9 samples. Type: Other.
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