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August 14, 2026CropsOpen Access

Combined Effects of Arbuscular Mycorrhizal Fungi, Plant Growth-Promoting Rhizobacteria, and Mineral Fertilization on the Physiological, Biochemical, and Nutritional Properties of Chilaca Chili Pepper (Capsicum annum L.)

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JFJael González FloresUniversidad Juárez del Estado de Durango ALAngel Adrian Bernal LopezUniversidad Juárez del Estado de Durango MVMónica Valdez‐SolanaUniversidad Juárez del Estado de Durango

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Implication

Controlled factorial experiment demonstrates that combined microbial inoculation and fertilization enhances antioxidant and capsaicin levels in Chilaca chili peppers, highlighting sustainable...

Key Points

To evaluate the individual and combined effects of arbuscular mycorrhizal fungi, plant growth-promoting rhizobacteria, and mineral fertilization on the growth, physiological traits, and nutritional quality of Chilaca chili pepper.
Tested 12 treatments using a 3 × 2 × 2 factorial design across green, mid-red, and red fruit ripening stages.
Quantified biomass, chlorophyll, soluble solids, ascorbate peroxidase (APX), and lipoxygenase (LOX) activities, alongside vitamin C and capsaicin levels via spectrophotometry and methanolic extractions.
Microbial treatments did not produce significant differences in vegetative growth or biomass traits across treatments (p > 0.05).
APX activity, vitamin C, and capsaicin concentrations peaked during the mid-red ripening stage before declining at full ripeness.
AMF elevated LOX activity and capsaicin accumulation in green fruits, while PGPR exhibited strain-specific benefits with Bacillus sp. driving early capsaicin accumulation and A. deleyi favoring later stages.

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Flores et al. (2026) studied this question.

synapsesocial.com/papers/6a7ec707b70b84ec8b9131de https://doi.org/10.3390/crops6040079

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Implication

Controlled factorial experiment demonstrates that combined microbial inoculation and fertilization enhances antioxidant and capsaicin levels in Chilaca chili peppers, highlighting sustainable...

Combined Effects of Arbuscular Mycorrhizal Fungi, Plant Growth-Promoting Rhizobacteria, and Mineral Fertilization on the Physiological, Biochemical, and Nutritional Properties of Chilaca Chili Pepper (Capsicum annum L.)

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Cite This Study

Combined Effects of Arbuscular Mycorrhizal Fungi, Plant Growth-Promoting Rhizobacteria, and Mineral Fertilization on the Physiological, Biochemical, and Nutritional Properties of Chilaca Chili Pepper (Capsicum annum L.)

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