Seed Transmission of Wheat streak mosaic virus Shown Unequivocally in Wheat

Plant Disease
R A C JonesGeoffrey I Dwyer

Abstract

Under conditions that excluded any possibility of eriophyid mite vector activity, seed transmission of Wheat streak mosaic virus (WSMV) was shown in eight different wheat genotypes at rates of 0.5 to 1.5%. Virus identification in seedlings came from characteristic symptoms in wheat, enzyme-linked immunosorbent assay with WSMV-specific antibodies, reverse-transcription polymerase chain reaction tests with WSMV-specific primers, and cDNA sequence comparisons with published sequences. Sequence comparisons of four seedborne isolates showed ≥98.6% identity with the eight Australian isolates in GenBank, indicating a common seedborne origin of WSMV. These findings warrant reconsideration of currently accepted views on WSMV epidemiology and the likelihood of introducing it to new locations through planting untested wheat seed and the movement of germplasm.

Citations

Mar 27, 2018·Molecular Plant Pathology·Khushwant SinghJiban Kumar Kundu
Aug 1, 2013·Plant Disease·Dallas L SeifersGuorong Zhang
Apr 29, 2015·Archives of Virology·Jörg SchubertFrank Rabenstein
Jun 21, 2008·Archives of Virology·A J GibbsM J Gibbs
Sep 14, 2012·Phytopathology·Megan D Robinson, Timothy D Murray
Dec 20, 2018·Frontiers in Plant Science·Enrico de LilloCarlo Duso
Jan 29, 2021·Plants·Roger A C Jones

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