Aster leafhoppers may be small but they pose a huge risk to canola and other crops on the Prairies. The aster leafhopper (Macrosteles quadrilineatus)| Grainews
Aster yellows is a minute phytoplasma bacterium that causes losses annually to a wide range of farm and horticultural crops. Most years, it is usual to| Grainews
If you or your agronomist detect aster yellows in a canola crop, you’ll be sure to find it also in an adjacent wheat crop, Ieuan Evans warns.| Grainews