The U.S. Environmental Protection Agency will allow Hawaii coffee growers to use a fungicide to fight coffee leaf rust, a devastating pathogen found on Maui, Lanai, Hawaii island and Oahu. The state ...

You may be holding a cup of it now as you read this. Warm and comforting, coffee is the fuel for many facing an early morning or a much-needed pick me up. In the United States, coffee is the most ...

image: Researchers from the University of Tsukuba have found that coating soybean plant leaves with cellulose nanofiber (CNF) gives protection against an aggressive fungal disease. The CNF coating ...

Q: What is causing orange growths on the backs of my plumeria’s leaves? I have tried copper on it for rust, but it hasn’t helped. A: The University of Hawaii, as one might guess, has the definitive ...

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 ...

Gray leaf spot is also active in the lower canopy at multiple sites across the state. The lesions are light tan in color and generally narrow and rectangular, and can be as long as 2 inches. As the ...

Farmers on the Big Island may be getting another tool to help combat coffee leaf rust. This action follows Gov. David Ige’s February emergency declaration for Hawaii’s $56 million coffee industry due ...

It’s a corn disease issue creeping north and infiltrating fields earlier than it has in the past and one that thrives in high heat and humidity. With increasing reports of southern rust now being ...

Sometimes holes appear in plant leaves and it's not clear why. We rounded up five common causes for this problem and tips for preventing or fixing it.

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 ...