tailieunhanh - Arbuscular mycorrhizal fungi associated with tree peony in 3 geographic locations in China

The diversity of arbuscular mycorrhizal fungi (AMF) is of great interest because of their potential function in ecosystems. Tree peony is an important traditional ornamental and medicinal plant with economic significance. We examined the mycorrhizal status of the rhizosphere of 14 common cultivars of tree peony (Paeonia suffruticosa) in 3 different geographic locations in China. | Turkish Journal of Agriculture and Forestry Turk J Agric For (2013) 37: 726-733 © TÜBİTAK doi: Research Article Arbuscular mycorrhizal fungi associated with tree peony in 3 geographic locations in China 1,2, 3,4 1 1 1 Zhaoyong SHI *, Yinglong CHEN , Xiaogai HOU , Shuangcheng GAO , Fayuan WANG 1 College of Agriculture, Henan University of Science and Technology, Luoyang, China 2 Laboratory for Earth Surface Processes, Ministry of Education, Peking University, Beijing, China 3 College of Life Sciences, Hebei University, Baoding, China 4 School of Earth and Environment and UWA Institute of Agriculture, University of Western Australia, Perth, Australia Received: Accepted: Published Online: Printed: Abstract: The diversity of arbuscular mycorrhizal fungi (AMF) is of great interest because of their potential function in ecosystems. Tree peony is an important traditional ornamental and medicinal plant with economic significance. We examined the mycorrhizal status of the rhizosphere of 14 common cultivars of tree peony (Paeonia suffruticosa) in 3 different geographic locations in China. Root samples of all cultivars were colonized by AMF. T he mean percentage of root length colonization, vesicles, and arbuscules were 39%, , and , respectively. AMF species richness varied from 5 to 11, and spore density ranged from 20 to 61 per 50 g of rhizospheric soil. The average AMF species diversity (Shannon–Wiener index) was , ranging from to . A total of 31 AMF species belonging to 3 genera were identified in the rhizospheric soil. Glomus (21) was the dominant genus, followed by Acaulospora (7) and Scutellospora (3). G. aggregatum was the most commonly distributed species, with an occurrence frequency of and a relative abundance of . This study focused on the comparison of AM fungal diversity associated with tree peony in various .

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