Repositorio
Institucional

Ruiz, Antonieta

Valdebenito, Analia

Nahuelcura, Javiera

Santander, Christian

Cornejo, Pablo

Contreras, Boris

Gomez-Alonso, Sergio

Physiological and Metabolic Effects of the Inoculation of Arbuscular Mycorrhizal Fungi in Solanum tuberosum Crops under Water Stress

MDPI

PLANTS-BASEL

en

Solanum tuberosum is one of the most important crops in the world, however, drought has caused significant losses in its production. One solution is the use of arbuscular mycorrhizal fungi (AMF). In this study, the phenolic profiles and antioxidant activity of the leaves of two potato genotypes (VR808 and CB2011-104) were evaluated over time in crops inoculated with two strains of AMF, as well as a consortium, in combination with a commercial fungicide. In addition, three usable humidity levels were established after the beginning of tuberization. The phenolic compounds found during the first sampling time in the VR808 genotype reached a maximum of 3348 mg kg(-1), and in the CB2011-104 genotype, they reached a maximum of 2982 mg kg(-1). Seven phenolic compounds were detected in the VR808 genotype, and eleven were detected in the CB2011-104 genotype, reaching the highest concentration at the last sampling time. The antioxidant activity in the first sampling was greater than the Trolox equivalent antioxidant capacity (TEAC), and in the third sampling, the cupric reducing antioxidant capacity (CUPRAC) predominated. The association of AMF with the plant by PCA demonstrated that these fungi assist in protecting the plants against water stress, since in the last harvest, the results were favorable with both mycorrhizae.

artículo original

This research was funded by the Agencia Nacional de Investigacion y Desarrollo (ANID, Chile) through the grants ANID/FONDECYT/1190585.

10.3390/plants11192539

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antioxidant activity

arbuscular mycorrhizal fungi

potato

usable humidity

water stress

FUNCTIONAL DIVERSITY

ANTIOXIDANT ACTIVITY

NUTRIENT-UPTAKE

DROUGHT STRESS

PLANT-GROWTH

TOLERANCE

SYMBIOSIS

Ciencias de las plantas

actividad antioxidante

hongos micorrízicos arbusculares

patata

humedad utilizable

estrés hídrico

DIVERSIDAD FUNCIONAL

ACTIVIDAD ANTIOXIDANTE

ABSPUTACIÓN DE NUTRIENTES

ESTRÉS POR SEQUÍA

CRECIMIENTO DE PLANTAS

TOLERANCIA

SIMBIOSIS

Agricultura

Fitomejoramiento y protección vegetal

Botánica

Physiological and Metabolic Effects of the Inoculation of Arbuscular Mycorrhizal Fungi in Solanum tuberosum Crops under Water Stress

artículo original

version publicada

CC BY 4.0

CC BY 4.0

acceso abierto

acceso abierto

ANID-FONDECYT 1190585

ANID FONDECYT 1190585

WOS:000866962300001