Co-Inoculation of Sechium edule (Jacq.) Sw. Plants with Rhizophagus intraradices and Azospirillum brasilense to Reduce Phytophthora capsici Damage

Agricultural production systems based on the application of synthetic chemical inputs are changing to more ecological management systems. In this context, rhizosphere microorganisms are considered fundamental to improving soil fertility and providing protection to the host plant. The objective of th...

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Published in:Agriculture (Basel) 2021, Vol.11 (5), p.391
Main Authors: Aguirre-Medina, Juan Francisco, Cadena-Iñiguez, Jorge, Olguín-Hernández, Gildardo, Aguirre-Cadena, Juan Francisco, Andrade-Luna, Mauricio Iván
Format: Article
Language:English
Subjects:
Agricultural production
Azospirillum brasilense
Biofertilizers
Biomass
Damage
Dry matter
endomycorrhizal fungus
Environmental management
Ethanol
Horticulture
Host plants
Infections
Inoculation
Leaf area
Management systems
Microorganisms
Microscopy
Morphology
nitrogen-fixing bacteria
Nutrition
Pathogens
performance components
Physiology
Phytophthora capsici
Rhizophagus intraradices
Rhizosphere
Rhizosphere microorganisms
Sechium edule
Seeds
Soil fertility
Soil improvement
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Summary:Agricultural production systems based on the application of synthetic chemical inputs are changing to more ecological management systems. In this context, rhizosphere microorganisms are considered fundamental to improving soil fertility and providing protection to the host plant. The objective of this study was to perform co-inoculation of Sechium edule (Jacq.) Sw. plants (chayote) with Rhizophagus intraradices and Azospirillum brasilense to reduce Phytophthora capsici damage. The chayote seeds were established in bags, and their inoculation was evaluated alone and in combination with R. intraradices and A. brasilense, in addition to inoculating the stem 14 days after planting with P. capsici. Eight treatments were distributed completely at random, with four repetitions. Morphological and physiological yield variables were recorded at 28, 56, and 84. It was found that S. edule treatment with R. intraradices and A. brasilense increased dry matter allocation in the morphological and physiological performance components. The biomass of plants inoculated with P. capsici and biofertilized with R. intraradices and A. brasilense decreased by 27%, which is relevant, since, under field conditions, plants infected with P. capsici die. Petiole biomass and leaf area decreased during the three evaluation periods with the presence of P. capsici. The other components had a differential response.
ISSN:2077-0472
2077-0472
DOI:10.3390/agriculture11050391