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Article

Diversity and Distribution of Calonectria Species from Plantation and Forest Soils in Fujian Province, China

1
Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria 0028, South Africa
2
Research Institute of Fast-Growing Trees (RIFT), Chinese Academy of Forestry (CAF), Zhanjiang 524022, China
*
Author to whom correspondence should be addressed.
Academic Editors: Lei Cai and Cheng Gao
J. Fungi 2022, 8(8), 811; https://doi.org/10.3390/jof8080811
Received: 2 July 2022 / Revised: 23 July 2022 / Accepted: 25 July 2022 / Published: 31 July 2022
To meet the growing demand for wood and pulp products, Eucalyptus plantations have expanded rapidly during the past two decades, becoming an integral part of the southern China landscape. Leaf blight caused by various Calonectria spp., is a serious threat to these plantations. In order to explore the diversity and distribution of Calonectria spp. in Fujian Province soils, samples were collected in Eucalyptus plantations and adjacent plantings of Cunninghamia lanceolata, Phyllostachys heterocycle and Pinus massoniana as well as in natural forests. Three hundred and fifty-three Calonectria isolates were recovered from soil samples and they were identified based on a comparison of multilocus DNA sequence data for the act (actin), cmdA (calmodulin), his3 (histone H3), rpb2 (the second largest subunit of RNA polymerase), tef1 (translation elongation factor 1-alpha) and tub2 (β-tubulin) gene regions, as well as morphological characteristics. Six known taxa including Calonectria aconidialis, Ca. hongkongensis, Ca. ilicicola, Ca. kyotensis, Ca. pacifica, Ca. pseudoreteaudii and one novel species described here as Ca. minensis sp. nov. were identified. Of these, Ca. aconidialis and Ca. kyotensis were the most prevalent species, and found in eight and seven sites, and four and five forest types, respectively. Calonectria spp. were most abundant in soils from Eucalyptus stands, followed by P. heterocycle and natural forests. Relatively few species were found in the soils associated with Cunninghamia lanceolata and Pinus massoniana. The abundance of known Calonectria spp. suggests that these fungi have been relatively well sampled in Fujian. The results are also consistent with the fact that most Calonectria diseases are found on Angiosperm as opposed to Gymnosperm plants. View Full-Text
Keywords: Calonectria leaf blight; forest pathogens; fungal diversity; phylogeny; taxonomy Calonectria leaf blight; forest pathogens; fungal diversity; phylogeny; taxonomy
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MDPI and ACS Style

Liu, Q.; Wingfield, M.J.; Duong, T.A.; Wingfield, B.D.; Chen, S. Diversity and Distribution of Calonectria Species from Plantation and Forest Soils in Fujian Province, China. J. Fungi 2022, 8, 811. https://doi.org/10.3390/jof8080811

AMA Style

Liu Q, Wingfield MJ, Duong TA, Wingfield BD, Chen S. Diversity and Distribution of Calonectria Species from Plantation and Forest Soils in Fujian Province, China. Journal of Fungi. 2022; 8(8):811. https://doi.org/10.3390/jof8080811

Chicago/Turabian Style

Liu, Qianli, Michael J. Wingfield, Tuan A. Duong, Brenda D. Wingfield, and Shuaifei Chen. 2022. "Diversity and Distribution of Calonectria Species from Plantation and Forest Soils in Fujian Province, China" Journal of Fungi 8, no. 8: 811. https://doi.org/10.3390/jof8080811

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