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Open AccessArticle

Arbuscular Mycorrhizal Fungi Associated with Tree Species in a Planted Forest of Eastern China

1
Co-Innovation Center for Sustainable Forestry in Southern China, Jiangsu Province Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China
2
Department of Forestry and Environmental Conservation, Clemson University, Clemson, SC 29634, USA
3
Department of Environmental Science and Policy, University of California, Davis, CA 95615, USA
*
Author to whom correspondence should be addressed.
Forests 2019, 10(5), 424; https://doi.org/10.3390/f10050424
Received: 17 April 2019 / Revised: 9 May 2019 / Accepted: 15 May 2019 / Published: 16 May 2019
(This article belongs to the Special Issue Forest Microbial Communities and Processes)
Arbuscular mycorrhizal fungi (AMF) play an important role in the establishment and maintenance of plant communities in forest ecosystems. Most previous studies about AMF have been conducted in natural forests, and little attention has been paid to trees in planted forests. This study investigated AMF associated with tree species and the relationships between edaphic factors and AMF communities in a planted forest of eastern China. We found high total AMF colonization rates in the roots of Carya illinoensis (Wangenh.) K. Koch, Zelkova serrata (Thunb.) Makinoz, Taxodium ‘zhongshansha’, Eucommia ulmoides Oliv., and Elaeagnus pungens Thunb., ranging from 62.07% to 100%, indicating that AMF can establish effective symbiotic relationships with these tree species. The AMF colonization rate was significantly and negatively correlated with soil phosphorus, while AMF colonization intensity was significantly and negatively correlated with soil moisture content, total carbon, and organic matter content. Spore density was in the range of 4.38 to 76.38 spores per g soil. In total, 35 AMF species from 10 genera were identified. Glomus and Acaulospora were the dominant genera. Acaulospora foveata and Septoglomus constrictum were the dominant species. AMF communities differed among the tree species and were closely related to edaphic factors, and AMF diversity was significantly related to soil carbon and pH. Our results revealed the colonization, community, and diversity of AMF associated with tree species, as well as their relationships with edaphic factors, in planted forests. Our findings can be used to provide insight on the utilization and management of AMF to maintain sustainable management of planted forests. View Full-Text
Keywords: colonization; AMF composition; diversity; edaphic factors; tree species colonization; AMF composition; diversity; edaphic factors; tree species
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Wang, J.; Wang, G.G.; Zhang, B.; Yuan, Z.; Fu, Z.; Yuan, Y.; Zhu, L.; Ma, S.; Zhang, J. Arbuscular Mycorrhizal Fungi Associated with Tree Species in a Planted Forest of Eastern China. Forests 2019, 10, 424.

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