Rust fungus, despite a name that would make homeowners think it would grow on iron, is a notorious nuisance when it comes to lawns. This fungal disease, primarily caused by the fungi in the genus ...

Discover how combining varietal resistance and fungicides helps control yellow rust in winter wheat and prevent significant economic losses.

The rust is most common on blue spruce but can also infect white and black spruce. The fungus only infects the current year needles, which will turn yellow and fall off the tree later this fall.