Rust disease is among the more interesting plant diseases because it requires two different plants to complete its lifecycle. There are a variety of rust diseases, including cedar-apple rust, Asian ...

You probably own a ton of gadgets made from aluminum and titanium. Lot of ’em by Apple. But did you know that the smooth, brushed finish on the surface of your MacBook or iPod is actually made with a ...

This is a plant disease topic we usually talk about later in the season, but with the warm weather we have been having, it’s likely that rust season will start a little earlier this year. And when we ...

Shown here is an intimidating and odd-looking fungal growth attached to a cedar branch. It is called cedar apple rust. The airborne spores growing on the leaves and fruit of an apple tree will infect ...

Q: The unusual orange growth in the photo is on my cedar tree. There are also a few smaller ones. What is it, and what should I do? — Dee H. A: The weird-looking growth on your evergreen is the ...

Cedar-apple rust is one of several plant diseases that are all caused by different species of a fungus called gymnosporangium. All of these diseases are referred to as gymnosporangium rust diseases.