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 ...

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 ...

An increase in the spread of rust diseases could have devastating results on the fast-growing ornamental crop industry, say pathologists with The American Phytopathological Society (APS). St. Paul, ...

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 ...

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 ...

Early in April, I was looking for the first of the spring flowers in the mountains and had found pasque flowers and, to my surprise, mountain ball cactus in bloom at Meyers Gulch, near Walker Ranch.

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 ...

The invasive plant pathogen myrtle rust has been detected near the National Museum of Australia in Canberra, concerning experts. Myrtle rust is a bright yellow-looking fungus that infects plants, like ...

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 ...