Published November 12, 2025 | Version v1
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Cytospora juglandigena sp. nov. causing walnut branch dieback in Xinjiang, China

  • 1. School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China
  • 2. Xinjiang Uygur Autonomous Region Academey of Forestry Sciences

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Zhao, Li-Li, Wang, Jia-Wen, Kong, Ting-Ting, Liu, Ai-Hua, Zhang, Ying (2025): Cytospora juglandigena sp. nov. causing walnut branch dieback in Xinjiang, China. Phytotaxa 728 (2): 141-152, DOI: 10.11646/phytotaxa.728.2.4, URL: https://doi.org/10.11646/phytotaxa.728.2.4

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References

  • Adams, G.C., Roux, J., Wingfield, M.J. & Common, R. (2005) Phylogenetic relationships and morphology of Cytospora species and related teleomorphs (Ascomycota, Diaporthales, Valsaceae) from Eucalyptus. Studies in Mycology 52: 1-144.
  • Bi, S.J., Song, F.H., Zhang, Y.N., Shi, Y.J., Han, H.W. & Bai, J.Y. (2020) Cytospora chrysosperma causing branch dieback and canker of black walnut in China. Canadian Journal of Plant Pathology 42 (2): 203-209. https://doi.org/10.1080/07060661.2019.1637377
  • Carbone, I. & Kohn, L. (1999) A method for designing primer sets for speciation studies in filamentous ascomycetes. Mycologia 91: 553-556.
  • Ehrenberg, C.G. (1818) Sylvae Mycologicae Berolinenses. Formis Theophili Bruschcke, Berlin, Germany.
  • Fan, X.L., Hyde, K.D., Liu, M., Liang, Y.M. & Tian, C.M. (2015a) Cytospora species associated with walnut canker disease in China, with description of a new species C. gigalocus. Fungal Biology 119 (5): 310-319. https://doi.org/10.1016/j.funbio.2014.12.011
  • Fan, X.L., Hyde, K.D., Yang, Q., Liang, Y.M., Ma, R. & Tian, C.M. (2015b) Cytospora species associated with canker disease of three anti-desertification plants in northwestern China. Phytotaxa 197 (4): 227-244. https://doi.org/10.11646/phytotaxa.197.4
  • Hillis, D.M. & Bull, J.J. (1993) An empirical test of bootstrapping as a method for assessing confidence in phylogenetic analysis. Systematic Biology 42 (2): 182-192. https://doi.org/10.1093/sysbio/42.2.182
  • Huson, D.H. & Bryant, D. (2006) Application of phylogenetic networks in evolutionary studies. Molecular Biology and Evolution 23 (2): 254-267. https://doi.org/10.1093/molbev/msj030
  • Jia, A.L., Chen, B.Y., Lu, H.Y., Xing, Y., Li, B. & Fan, X.L. (2024) Multigene phylogeny and morphology reveal three new species of Cytospora isolated from diseased plant branches in Fengtai District, Beijing, China. Mycokeys 101: 163-189. https://doi.org/10.3897/mycokeys.101.116272
  • Jiang, N., Yang, Q., Fan, X.L. & Tian, C.M. (2020) Identification of six Cytospora species on Chinese chestnut in China. Mycokeys 62: 1-25. https://doi.org/10.3897/mycokeys.62.47425
  • Katoh, K. & Standley, D.M. (2013) MAFFT multiple sequence alignment software version 7: Improvements in performance and usability. Molecular Biology and Evolution 30 (4): 772-780.
  • Lawrence, D.P., Travadon, R., Pouzoulet, J., Rolshausen, P.E., Wilcox, W.F. & Baumgartner, K. (2017) Characterization of Cytospora isolates from wood cankers of declining grapevine in North America, with the descriptions of two new Cytospora species. Plant Pathology 66 (5): 713-725.
  • Lawrence, D.P., Holland, L.A., Nouri, M., Travadon, R., Abramians, A., Michailides, T.J. & Trouillas, F.P. (2018) Molecular phylogeny of Cytospora species associated with canker diseases of fruit and nut crops in California, with the descriptions of ten new species and one new combination. IMA Fungus 9 (2): 333-370. https://doi.org/10.5598/imafungus.2018.09.02.07
  • Lin, L., Pan, M., Bezerra, J.D.P., Tian, C.M. & Fan, X.L. (2023) Re-evaluation of the fungal diversity and pathogenicity of Cytospora species from Populus in China. Plant Disease 107 (1): 83-96. https://doi.org/10.1094/PDIS-02-22-0260-RE
  • Lin, L., Fan, X.L., Groenewald, J.Z., Jami, F., Wingfield, M.J., Voglmayr, H., Jaklitsch, W., Castlebury, L.A., Tian, C.M. & Crous, P.W. (2024) Cytospora: an important genus of canker pathogens. Studies in Mycology 109: 323-401. https://doi.org/10.3114/sim.2024.109.05
  • Liu, Y., Chi, B.J., Jiang, N., Yang, X.L. & Liu, J. (2023) Cytospora berberidicola sp. nov. (Diaporthales, Cytosporaceae) in China. Phytotaxa 626 (22): 101-109. https://doi.org/10.11646/phytotaxa.626.2.3
  • Liu, Y.J., Whelen, S. & Hall, B.D. (1999) Phylogenetic relationships among ascomycetes: Evidence from an RNA polymerse II subunit. Molecular Biology and Evolution 16: 1799-1808.
  • Martinez, M.L., Labuckas, D.O., Lamarque, A.L. & Maestri, D.M. (2010) Walnut (Juglans regia L.): genetic resources, chemistry, byproducts. Journal of the Science of food and Agriculture 90 (12): 1959-1967.
  • Nouri, M.T., Lawrence, D.P., Holland, L.A., Doll, D.A., Kallsen, C.E., Culumber, C.M. & Trouillas, F.P. (2019) Identification and pathogenicity of fungal species associated with canker diseases of pistachio in California. Plant Disease 103 (9): 2397-2411. https://doi.org/10.1094/PDIS-10-18-1717-RE
  • Page, R.D. (1996) Tree View:An application to display phylogenetic trees on personal computers. Computer applications in the biosciences: CABIOS 12 (4): 357-358.
  • Pan, M., Zhu, H.Y., Bonthond, G., Tian, C.M. & Fan, X.L. (2020) High diversity of Cytospora associated with canker and dieback of Rosaceae in China, with 10 new species described. Frontiers in plant science 11. https://doi.org/10.3389/fpls.2020.00690
  • Posada, D. & Buckley, T.R. (2004) Model selection and model averaging inphylogenetics: advantages of Akaike information criterion and Bayesian approaches over likelihood ratio tests. Systematic Biology 53: 793-808.
  • Quaedvlieg, W., Binder, M., Groenewald, J.Z., Summerell, B.A., Carnegie, A.J., Burgess, T.I. & Crous, P.W. (2014) Introducing the Consolidated Species Concept to resolve species in the Teratosphaeriaceae. Persoonia 33: 1-40. https://doi.org/10.3767/003158514X681981
  • Rayner, R.W. (1970) A mycological colour chart. Commonwealth Mycological Institute, Kew, UK.
  • Ronquist, F., Teslenko, M., van der Mark, P., Ayres, D.L., Darling, A., Hohna, S., Larget, B., Liu, L., Suchard, M.A. & Huelsenbeck, J.P. (2012) MrBayes 3.2: Efficient bayesian phylogenetic inference and model choice across a large model space. Systematic Biology 61 (3): 539-542. https://doi.org/10.1093/sysbio/sys029
  • Rossman, A.Y., Adams, G.C., Cannon, P.F., Castlebury, L.A., Crous, P.W., Gryzenhout, M., Jaklitsch, W.M., Mejia, L.C., Stoykov, D., Udayanga, D., Voglmayr, H. & Walker, D.M. (2015) Recommendations of generic names in Diaporthales competing for protection or use. IMA Fungus 6 (1): 145-154. https://doi.org/10.5598/imafungus.2015.06.01.09
  • Sha, S.S., Wang, Z., Yan, C.C., Hao, H.T., Wang, L. & Feng, H.Z. (2023) Identification of fungal species associated with apple canker in Tarim Basin, China. Plant Disease 107 (5): 1284-1298. https://doi.org/10.1094/PDIS-09-22-2032-SR
  • Stamatakis, A. (2014) RAxML version 8: A tool for phylogenetic analysis and post-analysis of large phylogenies. Bioinformatics 30 (9): 1312-1313. https://doi.org/10.1093/bioinformatics/btu033
  • Swofford, D.L. (2002) PAUP*: Phylogenetic analysis using parsimony (*and other methods). Version 4.0b10. Sinauer Associates, Sunderland, Massachusetts.
  • Tamura, K., Stecher, G., Peterson, D., Filipski, A. & Kumar, S. (2013) MEGA6: Molecular evolutionary genetics analysis version 6.0. Molecular Biology and Evolution 30: 2725-2729.
  • Tulasne, L.R. & Tulasne, C. (1863) Selecta Fungorum Carpologia. Vol. X. [Translated by W.B. Grove.] Oxford: Clarendon Press, United States, 126 pp.
  • White, T.J., Bruns, T.D., Lee, S.B. & Taylor, J.W. (1990) Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics. PCR protocols: A guide to methods and applications 18: pp. 315-322.
  • Wingfield, M.J., Beer, Z.W.D., Slippers, B., Wingfield, B.D., Groenewald, J.Z., Lombard, L. & Crous, P.W. (2012) One fungus, one name promotes progressive plant pathology. Molecular Plant Pathology 13: 604-613. https://doi.org/10.1111/j.1364-3703.2011.00768.x
  • Xu, S.S., Zhang, R., Sun, D.Y., Zhu, T.S., Chen, X.W. & Chen, X.F. (2023) First report of Cytospora tritici causing branch canker on English walnut in China. Journal of Plant Pathology 105 (2): 595. https://doi.org/10.1007/s42161-023-01306-3
  • Zhao, L.L., Sun, W., Zhang, L., Yin, Y.Q., Xie, Y.Q. & Zhang, Y. (2024) Heart rot disease of walnut caused by Nothophoma juglandis sp. nov. and its endophytic biocontrol agent. Plant Disease 108 (3): 746-756. https://doi.org/10.1094/PDIS-11-22-2660-RE
  • Zhao, S.M., Guo, K.F., He, L. & Yiming, A. (2018) First report of Cytospora nivea causing Cytospora canker on walnut (Juglans regia L.) in the Tianshan Mountains Region of Xinjiang, China. Plant Disease 102 (12): 2640. https://doi.org/10.1094/PDIS-03-18-0498-PDN
  • Zhao, X.H. & Yang, J.C. (2023) Research on the development strategy of walnut industrial cluster in Xinjiang. China Oils and Fats 1-11. https://doi.org/10.19902/j.cnki.zgyz.1003-7969.240162