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Abstract
This study investigated the effect of plant growth-promoting bacteria (PGPB) biostimulants (*Azotobacter chroococcum*, *Bacillus subtilis*, *Bacillus megatherium*, and their mixes) and application methods (foliar and soil) on maize growth, physiology, yield, and seed quality. *A. chroococcum* increased chlorophyll content, photosynthetic rate, and transpiration rate. Soil application of *B. megatherium* and a mix of *A. chroococcum* and *B. subtilis* yielded the highest maize yields. Soil application increased maize yield by 5.5–13.4%. *B. subtilis* increased total solids and crude fiber content in seeds. PGPB use shows promise for sustainable maize cultivation.
Publisher
Scientific Reports
Published On
Dec 03, 2020
Authors
Aspasia Efthimiadou, Nikolaos Katsenios, Sofia Chanioti, Marianna Giannoglou, Nikola Djordjevic, George Katsaros
Tags
plant growth-promoting bacteria
maize growth
biostimulants
yield
seed quality
sustainable agriculture

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