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Article

Alternaria alternata, the Causal Agent of a New Needle Blight Disease on Pinus bungeana

by
Mao-Jiao Zhang
1,2,
Xiang-Rong Zheng
1,3,
Huan Li
1,2 and
Feng-Mao Chen
1,2,*
1
College of Forestry, Nanjing Forestry University, Nanjing 210037, China
2
Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing 210037, China
3
College of Landscape Architecture, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang 212400, China
*
Author to whom correspondence should be addressed.
J. Fungi 2023, 9(1), 71; https://doi.org/10.3390/jof9010071
Submission received: 1 November 2022 / Revised: 3 December 2022 / Accepted: 5 December 2022 / Published: 3 January 2023
(This article belongs to the Special Issue Molecular and Genetic Diversity in Plant-Pathogenic Fungi)
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Abstract

Pinus bungeana, an endangered and native coniferous tree species in China, has considerable timber and horticulture value. However, little is known about needle diseases in P. bungeana. A needle blight of P. bungeana has been observed in Hebei Province, China. P. bungeana inoculated with mycelial plugs of fungal isolates presented symptoms similar to those observed under field conditions. Ten virulent fungal isolates were identified as a small-spored Alternaria species based on morphological observations. Maximum likelihood and Bayesian phylogenetic analyses carried out with multilocus sequence typing of eight regions (SSU, LSU, ITS, gapdh, tef1, Alt a 1, endoPG, OPA10-2) assigned the pathogen to Alternaria alternata. This is the first report of A. alternata causing needle blight on P. bungeana in China.
Keywords: Pinus bungeana; Alternaria alternata; needle blight; identification Pinus bungeana; Alternaria alternata; needle blight; identification

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MDPI and ACS Style

Zhang, M.-J.; Zheng, X.-R.; Li, H.; Chen, F.-M. Alternaria alternata, the Causal Agent of a New Needle Blight Disease on Pinus bungeana. J. Fungi 2023, 9, 71. https://doi.org/10.3390/jof9010071

AMA Style

Zhang M-J, Zheng X-R, Li H, Chen F-M. Alternaria alternata, the Causal Agent of a New Needle Blight Disease on Pinus bungeana. Journal of Fungi. 2023; 9(1):71. https://doi.org/10.3390/jof9010071

Chicago/Turabian Style

Zhang, Mao-Jiao, Xiang-Rong Zheng, Huan Li, and Feng-Mao Chen. 2023. "Alternaria alternata, the Causal Agent of a New Needle Blight Disease on Pinus bungeana" Journal of Fungi 9, no. 1: 71. https://doi.org/10.3390/jof9010071

APA Style

Zhang, M.-J., Zheng, X.-R., Li, H., & Chen, F.-M. (2023). Alternaria alternata, the Causal Agent of a New Needle Blight Disease on Pinus bungeana. Journal of Fungi, 9(1), 71. https://doi.org/10.3390/jof9010071

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