Journal
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
Volume 28, Issue 11, Pages 6495-6499Publisher
ELSEVIER
DOI: 10.1016/j.sjbs.2021.07.024
Keywords
Glomalin; Mycorrhiza; Nitrate nitrogen; Nutrients; Peach; Sugar
Categories
Funding
- Open Fund of Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education [KFT202005]
- King Saud University, Riyadh, Saudi Arabia [RSP-2021/356]
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This study analyzed the variation of AM fungi in soils and roots of peach trees in different soil layers, finding that soil properties were mainly affected/altered based on the soil spore density.
Arbuscular mycorrhizal (AM) fungi have beneficial effects on host plants, but their growth is influenced by various factors. This study was carried out to analyze the variation of AM fungi in soils and roots of peach (Prunus persica L. var. Golden Honey 3, a yellow-flesh variety) trees in different soil layers (0- 40 cm) and their correlation with soil properties. The peach tree could be colonized by indigenous AM fungi (2.2-8.7 spores/g soil and 1.63-3.57 cm hyphal length/g soil), achieving 79.50-93.55% of root AM fungal colonization degree. The mycorrhizal growth, root sugars, soil three glomalins, NH4+-N, NO3 = N, available P and K, and soil organic matter (SOM) had spatial heterogeneity. Soil spores, but not soil hyphae contributed to soil glomalin, and soil glomalin also contributed to SOM. There was a significant correlation of soil hyphae with spore density, soil NO3 =-N, and SOM. Root mycorrhiza was positively correlated with spore density, NH4+-N, NO3 =-N, and easily extractable glomalin-related soil protein. Notably, spore density positively correlated with NO3 =-N, available K, SOM, and root fructose and glucose, while negatively correlated with available P and root sucrose. These findings concluded that mycorrhiza of peach showed spatial distribution, and soil properties mainly affected/altered based on the soil spore density. (c) 2021 The Author(s). Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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