Purdue Landscape Report: Dieback and canker diseases caused by Botryosphaeria, Sphaeropsis, Diplodia and other closely related fungal pathogens are exceptionally common on woody landscape plants. This ...

According to a study published by the National Institutes of Health, a weak immune system, stress or even a chronic disease can increase the tendency to get a canker sore. New canker sores may be ...

I don't know what this is on my oak tree, but is it anything I should be concerned about? Should I spray with something?

Lemon tree diseases like CTV (Citrus tristeza virus), citrus canker, anthracnose, and citrus scab can have negative impacts on tree health. Watch for symptoms. Prevention is key to avoiding the spread ...

Blackleg is a disease in canola mainly caused by the fungus Leptosphaeria maculans. It’s a serious disease that affect canola ...

Q: One of my five oak trees is having this problem and I’m wondering what I should do. I hope it’s not a disease that could ...

Q I don't know what this is on my oak tree, but is it anything I should be concerned about (see reader's photo)? Should I ...

Greenfinch Avenue trees A row of apple trees that runs through a Preston suburb is to be cut down after they were struck by disease. The soon-to-be-uproo ...

A: Unfortunately, I suspect your tree has hypoxylon canker. Usually when I see this ... They can send the samples to the disease lab for a firm diagnosis. The disease is associated with stress ...