First report of Maize yellow mosaic virus infecting maize in Burkina Faso.
Maize yellow mosaic virus (MaYMV) is a new polerovirus discovered recently in China in maize (Zea mays) displaying foliar yellowing and mosaic. A few months later, MaYMV was reported from Ecuador in maize and Nigeria in sugarcane and itch grass, suggesting that this new polerovirus is broadly distributed and is potentially emerging worldwide. In August-September 2016, during a sampling survey carried out by the Agricultural Research Centre of Kamboinsé (ARCK, Burkina Faso), maize leaves showing yellow stripes, yellowing and yellow mosaic symptoms were collected from five fields surrounding ARCK, from which 15 to 20% of the plants appeared diseased. Sequencing of MaYMV-specific PCR products were carried out, which supported the conclusion that MaYMV is present in Burkina Faso, indicating a global distribution of this recently discovered virus including Africa, Asia and South America.