Q: A large fungus is growing at the base of a large Douglas-fir tree in my backyard. There are several fungi that can cause root rot in Douglas-fir, so I don't want to lose the tree, and I also don't want it to fall ...
How drought affects trees is complex. Drought-stressed trees become susceptible to insects and diseases that are naturally present but typically at low levels. Here are steps to take to identify what's ailing a tree.