Q: Last year I learned I had rust on my serviceberry and hawthorn trees. What do I look for this year to prevent that? A: It’s hard to prevent rust infections on vulnerable plants unless you are ...

It’s that time of year where pines and other flowering plants are dusting the world with tons of yellow pollen, but if you see orange dust on a pine tree, that could be the sign of a damaging ...

Backed by the Gates Foundation, the Wheat Disease Early Warning Advisory System is on the front lines, looking for early signals of crop-killing rust infections. When Dave Hodson walked through wheat ...

Gray leaf spot is also active in the lower canopy at multiple sites across the state. The lesions are light tan in color and generally narrow and rectangular, and can be as long as 2 inches. As the ...

Rust-specific polymerase chain reaction (PCR) primers selectively amplified ribosomal DNA of a rust fungus from infected dyers woad. PCR enabled DNA of the fungus to be detected in symptomatic plants ...