Genetic modification is the only credible path to restoring the blight-wracked American chestnut. Bruce Beehler is a ...

There are several insects, diseases and environmental conditions that can cause ash tree mortality. Some of the signs of Emerald Ash Borer (EAB) infestation include tree limb dieback followed by ...

Healthy tree bark grows in ... and lignin. Two out of these three materials are affected by other types of rot like brown rot ...

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

Other diseases that may need to be pruned out of Yoshino cherry trees include witches' broom ... When you notice physical ...

Cut to a medium shot of a group of various mushrooms around a tree trunk in the woods. Cut to a close up shot of a gilled mushroom in the woods.Cut to a close up shot of a dewy mushroom surrounded by ...