AMES, Iowa – Iowa State University scientists are piecing together clues about how a global pest hacks the immune systems of soybeans. Soybean rust fungus poses one of the biggest threats to soybean ...

Question: You recommended a fungicide for an orange rust control on plumeria. The rust fungus seems like a natural occurrence, especially as the leaves decline in the fall. I have developed the ...

A: By the looks of the photos you sent in, your serviceberries have a case of rust. Your serviceberries, also called juneberries or saskatoons, should be beautifully bluish-purple and plump right now.

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 ...

Question. All of a sudden, our plumeria has developed yellow leaves with an orange coating on their backsides. What should I do to control the decline? Answer. Many of our favorite flowering plants ...

Q: I heard rust fungus can infect junipers but that they aren’t worth spraying to treat. Is there anything else I can do to reduce the fungal spread from them to my other trees? A: If you see and can ...

(Maryville) -- As farmers reflect on the 2025 growing season, one disease stands out: southern rust. The fungus spread not ...

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 ...

What happens when you combine mild weather, rain that lasts for a day or two, and rapidly growing plants fighting for space? Besides a bounty of flowers, foliage might take on an orange-splattered ...

Q: I love hollyhocks for their colorful, crinkled flowers, and I have a row of them planted along the edge of my patio which I grew from seed. I was disappointed last year, however, as unsightly ...

Researchers have found a high incidence of coffee leaf rust (CLR) disease in Vietnam, the world's second-largest coffee producer. Potential origins and migration routes were revealed, as well as a ...