Una alta diversidad de hongos micorrízicos arbusculares influye en la absorción de cadmio y crecimiento vegetal del cacao

Vallejos-Torres, Geomar; Ruíz-Valles, Rubén; María, C.; Gaona-Jiménez, Nery; Marín, César

doi:10.51372/bioagro341.7

Cited by 6 publications

(6 citation statements)

References 35 publications

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“…This coincides with Wu et al (2016), whom show negative effects of Cd (and Pb) toxicity on AMF and root endophytic fungi associated with wheat. Similar negative effects were shown by Vallejos-Torres et al (2022) in cacao plants. Plant height and root length were higher under AMF, compost, and AMF + compost treatments, but were negatively affected by Cd application, as roots are the main way in which Cd enters to the plant, hindering its growth (Kanu et al, 2017).…”

Section: Effects On Plant Growth and Chlorophyllsupporting

confidence: 78%

“…The AMF inoculum consisted of 2000 spores isolated from the Mariscal Cáceres Province in the San Martín region, Peru. The mycorrhizal inoculum was composed of a mixture of spores of the following species: Claroideoglomus sp., Microkamienskia peruviana, Microkamienskia sp., Diversispora sp., and Claroideoglomus etunicatum (Vallejos-Torres et al, 2022).…”

Section: Experimental Designmentioning

confidence: 98%

“…For the treatments contaminated with Cd, an aqueous solution of CdCl2 (5 mg kg -1 ) was added to each pot containing 3 kg substrate. To help stabilize the contaminant, the Cd-containing soil was allowed to air-dry for 50 d, and it was agitated every 15 d (four times), following the methodology of Vallejos-Torres et al (2022).…”

Section: Soil and Organic Compost Characteristicsmentioning

confidence: 99%

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Effects of arbuscular mycorrhizal fungi, poultry manure compost, and cadmium on plant growth and nutrient absorption of Oryza sativa

Vallejos-Torres,

Gaona-Jimenez,

Ordoñez-Sánchez

et al. 2023

Chil. j. agric. res.

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Compost produced with chicken manure and vegetable residues enriched with arbuscular mycorrhizal fungi (AMF) could become a sustainable agricultural strategy in biofertilization and bioremediation in rice (Oryza sativa L.) A completely randomized pot experiment was carried out to investigate the effects of AMF, humified composted poultry manure, and Cd on vegetative growth and elemental uptake of rice. After 90 d, rice treated with a combination of AMF and compost showed the highest plant growth. Overall, the best values in plant height, root length, chlorophyll content, and cation exchange capacity were obtained with the application of AMF and compost. In the absence of compost, Cd contamination significantly reduced AMF root colonization, while AMF alone increased root N, P, and K. Soil organic matter was higher when AMF, compost, and Cd were combined. Total soil P increased significantly with AMF inoculation (solely) compared to the rest of the treatments. The highest plant height (57.77 cm), root length (31.67 cm) and weight (167 g), shoot weight (74.67 g), and chlorophyll content (34.30 SPAD units) were achieved in the AMF-compost treatment. The highest values of root N (1.037%) and soil organic matter (2.66%) were obtained with the Compost-Cd treatment, which in turn presented lower Cd contents in roots and shoots. Cadmium inhibited morphological growth of the plant, biomass accumulation, and chlorophyll, but these parameters improved significantly with the application of AMF and compost, by facilitating the absorption of nutrients, particularly P.

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Section: Effects On Plant Growth and Chlorophyllsupporting

confidence: 78%

Section: Experimental Designmentioning

confidence: 98%

Section: Soil and Organic Compost Characteristicsmentioning

confidence: 99%

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Effects of arbuscular mycorrhizal fungi, poultry manure compost, and cadmium on plant growth and nutrient absorption of Oryza sativa

Vallejos-Torres,

Gaona-Jimenez,

Ordoñez-Sánchez

et al. 2023

Chil. j. agric. res.

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“…The pH in the study plots was slightly-acid to neutral (between 5.55 and 6.71), an important factor since the mobility and availability of Cd in the soil is mainly controlled by soil pH (Alloway, 2013). The overall low Cd content in our study could also be explained by the use of compost, as this material has been shown to reduce or immobilize Cd (Vallejos et al, 2022). Regarding Cd content in leaves (higher in monoculture systems; Figure 2c), our results are consistent with those of Gramlich et al (2017), who reported lower Cd contents in cacao leaves from agroforestry systems in the Alto Beni region, Bolivia, compared to leaves from monocultures.…”

Section: Discussionmentioning

confidence: 64%

Cadmium uptake and mycorrhization by cacao clones in agroforestry and monoculture systems of Peruvian Amazon

Vallejos-Torres,

Gaona-Jimenez,

Alva Arevalo

et al. 2023

Bioagro

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The production system influences the cadmium (Cd) content and mycorrhization in cocoa plantations. The objective of this study was to determine the effects of different production systems on Cd uptake and the presence of mycorrhizas in cacao clones in field conditions, in the Peruvian Amazon. Twelve subplots of 108 m2 were selected in representative cocoa cultivation systems under agroforestry (AF) and monoculture (MON), with the cocoa clones ICS and CCN. Significant differences and data distribution were evaluated using ANOVA, principal component analysis, and Tukey's tests. Mycorrhizal colonization was higher in the AF_ICS system (71.11%) while the length of the extraradical mycelium was higher in the AF_CCN system (17.23%). The highest Cd content in soils was found under the AF_CCN and AF_ICS systems, both with 0.39 mg kg-1. The Cd content in cacao roots, leaves, and beans were higher in the MON_CCN system with 1.87, 2.06, and 1.12 mg kg-1 respectively. Cocoa monocultures (with both clones) generally showed lower levels of mycorrhizal colonization than agroforestry systems, which in turn (also for both clones) presented higher Cd content in beans, even exceeding the limit established by the world health authorities.

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“…Algunos estudios han demostrado que los HMA pueden disminuir la concentración de Cd en las plantas (Vallejos-Torres et al, 2021) al aumentar su biomasa. Como se presenta en este estudio, el crecimiento de las plantas de girasol y su biomasa aumentaron significativamente en los tratamientos que presentaban HMA y altas concentraciones de Cd, lo que concuerda con lo indicado por Janeeshma y Puthur (2020).…”

Section: Discussionunclassified

Influencia de hongos micorrícicos en el crecimiento y la adsorción de cadmio en girasol (Helianthus annuus L.)

Cartaya-Rubio,

Mujica-Perez,

Blanco-Valdes

2024

Agron. Mesoam.

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Introducción. Los metales pesados pueden acumularse en el suelo y afectan el crecimiento de las plantas. La simbiosis que se establece entre plantas y hongos formadores de micorrizas arbusculares (HMA) mejoran la tolerancia de las plantas a la toxicidad por metales pesados, considerándose una alternativa para el manejo de plantas cultivadas en suelos afectados por metales pesados. Objetivo. Evaluar el efecto de diferentes hongos formadores de micorrizas arbusculares en la absorción de cadmio y en el crecimiento vegetativo del girasol (Helianthus annuus L.). Materiales y métodos. La investigación se realizó en los años 2021- 2023, en el Instituto Nacional de Ciencias Agrícolas (INCA), San José de las Lajas, Mayabeque, Cuba. Se inocularon las semillas de girasol con las cepas INCAM-4 (Glomus cubense) y INCAM-11 (Rhizoglomus intraradices), a razón de 45 esporas/g, en un suelo con altos niveles de Cd. A los 60 días, se evaluó la altura de las plantas, peso seco, contenido de clorofilas, porcentaje de micorrización y viabilidad de las estructuras fúngicas y el efecto de los HMA en la partición del cadmio en las plantas de girasol. Resultados. Las plantas de girasol mostraron una respuesta beneficiosa a la inoculación con cepas de hongos micorrizicos arbusculares, con una conducta diferenciada entre las cepas y con los mayores efectos obtenidos en el crecimiento, la producción de biomasa y en el proceso de fitoextracción con la cepa INCAM-11, al aumentar la concentración de metal en las plantas a 8,01 mg kg-1 y un porciento de infección 60 % y densidad visual 5,01. Conclusiones. Las micorrizas arbusculares aumentaron la absorción de cadmio y el crecimiento vegetativo del girasol.

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Una alta diversidad de hongos micorrízicos arbusculares influye en la absorción de cadmio y crecimiento vegetal del cacao

Cited by 6 publications

References 35 publications

Effects of arbuscular mycorrhizal fungi, poultry manure compost, and cadmium on plant growth and nutrient absorption of Oryza sativa

Effects of arbuscular mycorrhizal fungi, poultry manure compost, and cadmium on plant growth and nutrient absorption of Oryza sativa

Cadmium uptake and mycorrhization by cacao clones in agroforestry and monoculture systems of Peruvian Amazon

Influencia de hongos micorrícicos en el crecimiento y la adsorción de cadmio en girasol (Helianthus annuus L.)

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