Root and butt rot is one of the most common forms of tree disease affecting hardwoods. Many fungi are capable of causing root rots and some cause considerable decay of the butts of trees as well.

Phytophthora root rot is a stubborn enemy for some Christmas tree growers No fungicide has proved effective to control Phytophthora Growers turning to species from Europe%2C Asia that are more ...

"Never get paid back for this tree," he said with a shrug. "Eleven years of work - gone." The culprit: Phytophthora root rot, a water mold that, once in the soil, makes it unfit for production.

"Never get paid back for this tree," he said with a shrug. "Eleven years of work — gone." The culprit: Phytophthora root rot, a water mold that, once in the soil, makes it unfit for production.

Root rot, such as armillaria, can cause the bark to peel around the base of the tree. This root rot enters wounds that are caused by the weed trimmer on the trunk. It is fatal and there is no cure.

He said fungal root rot is often seen in older trees in Pittsburgh such as large oaks and beeches. Signs of root rot include small pale, pale yellow or brown leaves and a thinning of the canopy.

Root rot is a common plant disease that tends to afflict potted indoor plants. And it’s presentation is pretty much what it sounds like: rotten, decomposing roots that will eventually die.

PITTSBURGH (KDKA/AP) - There's something rotten in Christmas tree country. And that has some farmers looking overseas for a solution. Phytophthora root rot, caused by a waterborne mold, is an ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. The Armillaria fungus also causes white rot wood decay, which destroys the strength of wood in roots and at the base of infected tree trunks.