Apple tree pruning isn’t as complicated as it might seem ... Fire blight is most easily recognized by outer twig growth that curves in the shape of a “shepherd’s crook” with brown leaves that look as ...

This disease can result in reduced fruit, loss of limbs, or even tree death. Quince ... The twig often will form a cane-like crook at the tip. The stem may also ooze a watery exudate.