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 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 ...

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 ...

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 ...

Native trees like the paperbark are central to the culture of the traditional owners of K'Gari (Fraser Island). "These species are living stories," says Matilda Davis, who works with the Butchulla ...

It can be scary when your plants are sickly. Some diseases can be managed while others are detrimental, so it's important to ...

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 ...

Rust fungi of the order Pucciniales inflict devastating foliar diseases on major crops by deploying suites of secreted proteins known as effectors. These molecules manipulate host immunity, facilitate ...

Deadly plant disease myrtle rust has reached the remote Chatham Islands, but experts say the discovery might have a “silver lining” for weed control. The invasive fungus first arrived in New Zealand ...

Researchers have found that coating soybean plant leaves with cellulose nanofiber (CNF) gives protection against an aggressive fungal disease. The CNF coating changed leaf surfaces from water ...