Abstract
Three new species of Stemphylium were isolated from diseased leaves of Luffa cylindrica, Lycium chinense and Cucumis melo growing in the Sinkiang province of Northwest China. Stemphylium luffae, S. lycii and S. cucumis are described by morphological and molecular phylogenetic analyses. The principal morphological characteristics of these three species are congruent with those of Stemphylium. They are distinguished from morphologically similar Stemphylium species based on characteristics of their conidia and conidiophores. In order to establish the molecular phylogenetic status of these species, DNA loci including the internal transcribed spacer (ITS) nuclear rDNA region and the glyceraldehyde-3-phosphate dehydrogenase (gpd) genes were amplified and sequenced. Phylogenetic analyses using Maximum-Parsimony (MP) and Neighbor-Joining (NJ) were performed on the combined DNA sequences of ITS and gpd gene regions. Both morphological observations and molecular analyses support S. luffae, S. lycii and S. cucumis as three new taxa.
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This work was supported by the National Natural Science Foundation of China (no. 30570006).
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Pei, YF., Wang, Y., Geng, Y. et al. Three novel species of Stemphylium from Sinkiang, China: their morphological and molecular characterization. Mycol Progress 10, 163–173 (2011). https://doi.org/10.1007/s11557-010-0686-1
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DOI: https://doi.org/10.1007/s11557-010-0686-1