AI Article Synopsis
- Peanut production can be enhanced by using plant growth-promoting rhizobacteria (PGPR), with a field study showing an 8% increase in seed yield and improved radiation use efficiency (4-14%).
- The use of PGPR resulted in significant changes in soil enzyme activity and microbial abundance, with dehydrogenase and fluorescein diacetate activities increasing by 28% and 17% respectively, but did not significantly affect microbial diversity.
- PGPR altered the relative abundance of key microbial phyla and genera, and influenced genes related to nitrogen fixation, nitrification, and assimilation, ultimately benefiting peanut agronomy without changing rhizosphere diversity.
Article Abstract
Peanut production could be increased through plant growth-promoting rhizobacteria (PGPR). In this regard, the present field research aimed at elucidating the impact of PGPR on peanut yield, soil enzyme activity, microbial diversity, and structure. Three PGPR strains (, RI3; , SC6; , P10) were evaluated, along with (BJ), taken as a control. PGPR increased seed yield by 8%, improving the radiation use efficiency (4-14%). PGPR modified soil enzymes (fluorescein diacetate activity by 17% and dehydrogenase activity by 28%) and microbial abundance (12%). However, PGPR did not significantly alter microbial diversity; nonetheless, it modified the relative abundance of key phyla (Actinobacteria > Proteobacteria > Firmicutes) and genera ( > > ). PGPRs modified the relative abundance of genes associated with N-fixation and nitrification while increasing genes related to N-assimilation and N-availability. PGPR improved agronomic traits without altering rhizosphere diversity.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11468012 | PMC |
| http://dx.doi.org/10.1021/acs.jafc.4c05687 | DOI Listing |
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