What question did this study set out to answer?

To evaluate the impact of plant growth-promoting rhizobacteria (PGPR) inoculation combined with chili crop residue on the photosynthetic performance, yield, and nutritional profile of two hybrid cayenne pepper cultivars.

November 21, 2021MicroorganismsOpen Access

Agronomic Biofortification of Cayenne Pepper Cultivars with Plant Growth-Promoting Rhizobacteria and Chili Residue in a Chinese Solar Greenhouse

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Authors

IOIbraheem Olamide OlasupoNorth Carolina State University QLQiuju LiangChinese Academy of Agricultural Sciences CZChunyi ZhangFirst Affiliated Hospital of Zhengzhou University

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Implication

Experimental greenhouse trial reveals that rhizobacteria inoculation boosts pepper yield and folate levels in crop residue systems, suggesting biofortification potential despite lower mineral uptake.

Key Points

To evaluate the impact of plant growth-promoting rhizobacteria (PGPR) inoculation combined with chili crop residue on the photosynthetic performance, yield, and nutritional profile of two hybrid cayenne pepper cultivars.
Tested three bacterial strains—Bacillus subtilis (B1), Bacillus laterosporus (B2), and Bacillus amyloliquefaciens (B3)—against an uninoculated chili residue control (NP) in a Chinese solar greenhouse.
Cultivated two hybrid long cayenne pepper varieties ('Xin Xian La 8 F1' and 'La Gao F1') following a leaf mustard crop.
Measured gas exchange, biomass, fruit yield, folate derivatives (including 5-methyltetrahydrofolate), minerals, and nitrate levels in harvested fruits.
B1 and B3 treatments resulted in a 27% to 36% increase in pepper fruit yield compared with control and B2 treatments.
B3 inoculation generated 24% to 27.5% higher 5-methyltetrahydrofolate and 21.9% to 27.2% higher total folate contents compared with B1 and uninoculated controls.
Uninoculated chili residue (NP) resulted in higher fruit calcium, magnesium, and potassium accumulation than the PGPR-inoculated treatments.

Cite This Study

Olasupo et al. (2021) studied this question.

synapsesocial.com/papers/6a9bef31ae378427da6bee4a https://doi.org/10.3390/microorganisms9112398

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Implication

Experimental greenhouse trial reveals that rhizobacteria inoculation boosts pepper yield and folate levels in crop residue systems, suggesting biofortification potential despite lower mineral uptake.

Agronomic Biofortification of Cayenne Pepper Cultivars with Plant Growth-Promoting Rhizobacteria and Chili Residue in a Chinese Solar Greenhouse

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Key Points

Cite This Study

Agronomic Biofortification of Cayenne Pepper Cultivars with Plant Growth-Promoting Rhizobacteria and Chili Residue in a Chinese Solar Greenhouse

Discussion

Member takes

Implication

Key Points

Cite This Study

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