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SPOT BLOTCH ON VOLUNTEER WHEAT PLANTS IN SICHUAN, CHINA

X.F. Sun, D.X. Zhang, G.S. Gong, X.B. Qi, K.H. Ye, Y. Zhou, N. Liu, X.L. Chang

Abstract


Spot blotch has frequently been observed in volunteer wheat plants in Sichuan (China). A fungus isolated from leaf lesions was identified as Bipolaris sorokiniana (Sacc.) Shoemaker, based on morphology and comparisons of DNA sequences of the internal transcribed spacer (ITS), translation elongation factor 1-α (EF-1α), and β-tubulin (BT) genes. Volunteer wheat plants were found to have a major role in B. sorokiniana oversummering in Sichuan, which makes their eradication important for reducing the inoculum that starts disease outbreaks.

Keywords


Bipolaris sorokiniana; volunteer wheat plants;spot blotch; phylogenetic analysis

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DOI: http://dx.doi.org/10.4454/JPP.V97I1.009

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