Mycorrhizal fungi arbuscular in forage grasses cultivated in Cerrado soil.

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Dos Santos Lucas, Leidiane 
Neto, Aurelio Rubio 
de Moura, Jadson Belem 
de Souza, Rodrigo Fernandes 
Santos, Maria Eduarda Fernandes 

The Cerrado is one of the most important regions for agricultural development in the world and is the main productive breadbasket of the Americas. One of the main agricultural activities in the region is high-tech livestock. Cerrado soils are predominantly low in fertility, and arbuscular mycorrhizal fungi play a fundamental role in plant nutrition in this biome. Understanding the behavior of mycorrhizal fungi in the soil under pasture is essential for the development of more efficient and sustainable management practices. Thus, this work aims to verify the activity of arbuscular mycorrhizal fungi in different species of forage grasses cultivated in cerrado soil. To measure mycorrhizal activity, soil spore density factors and mycorrhizal colonization rates in roots of 14 forage grass genotypes were investigated. No significant differences were identified in spore density values between the investigated genotypes. Panicum maximum cv and Mombasa showed the lowest values of mycorrhizal colonization, and the highest values were found in the roots of Brachiaria decumbens. Among the identified genera associated with the rhizosphere of the genotypes studied, Gigaspora, Scutelospora and Sclerocysts are less frequent, which indicates that the association with these fungal genera is less recurrent than with the others.


Funder: Instituto Federal Goiano

Funder: Evangelical Educational Association

30 Agricultural, Veterinary and Food Sciences, 31 Biological Sciences, 3103 Ecology, 3107 Microbiology, 3004 Crop and Pasture Production, 2 Zero Hunger
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Springer Science and Business Media LLC