Gardeners, this week we are discussing Asian Citrus Greening and Citrus Canker and how we can recognize each of the two citrus diseases. There are numerous plant diseases that may attack citrus trees, ...

If you have cherry or plum trees, now's a good time to check for a disease called black knot fungus. The fungus can go unnoticed with summer foliage but is apparent when trees are winter-bare. Also ...

Could a fungus found in the Torrey Pines State Natural Reserve be deadly for Torrey pine trees in La Jolla Shores’ Kellogg Park? Representatives of California State Parks have noticed that trees at ...

Fungal pathogens that cause die-back in grape, avocado, citrus, nut and other crops has found a new host and is infecting conifer trees causing Pine Ghost Canker in urban forest areas of Southern ...

HARRISBURG, PA. -- Thousand Cankers Disease has been detected for the first time in Pennsylvania, and a quarantine restricting the movement of wood from Bucks County and other states known to have the ...

European canker, caused by the fungal pathogen Neonectria ditissima, presents a significant challenge to apple production across temperate regions. The disease manifests as cankers on trunks and ...

When I started my horticultural career in New Orleans back in 1980, my memory of growing citrus seems so easy. White flies and other sucking insects and the sooty mold they caused were the only major ...

Sep. 2—A hailstorm that caused widespread damage across the Flathead in July is to blame for an infection in some pine trees, according to the Montana Department of Natural Resources and Conservation.

An old grouping of large blue spruces in my front yard has been continuing to decline in health over the last few years with lower branches dying first and then progressing up the tree. What can I do ...

A hailstorm that caused widespread damage across the Flathead in July is to blame for an infection in some pine trees, according to the Montana Department of Natural Resources and Conservation. Red ...