Below are the most common diseases afflicting landscapes. Our research will give you the knowledge to diagnose issues and also offer you solutions with our customized Tree and Shrub services.

This disease will cause brown, dry, blotchy spots on the leaves and may cause the leaves to drop. It can also be easily misdiagnosed as oak wilt. Anthracnose attacks many plants early in the season.

Apple scab causes apple and crabapple trees to drop their leaves early in the late spring and early summer. The leaves will have black and brown spots all over.

On the twigs, you’ll see a soft olive green growth and it will change to hard black knots in the fall. Large clumps of bark swell on the ends of branches and twigs of the tree. This disease mostly attacks fruit and branches. This disease is life threatening if not treated.

The symptoms of this disease are yellow or orange-brown to black discolored areas on the bark of the trunk and branches. The needles turn brown and the lower branches die back. This is most common on trees over 15 years of age.

The affected trees will show needles turning brown to gray at the tips. This may lead to an attack on the twigs and branches. The ends of the pines curl up and turn brown, typically on the lower branches of the pines.

A leaf spot disease creates spots on foliage. Spots are most often brownish, but may be tan or black. Concentric rings or a dark margin around the spot may be present. Trees and shrubs will have dark spotting on the leaves.

Infected needles usually turn red to brown from their tips beginning in winter or early spring. By mid to late spring the death of infected needles is well advanced giving diseased trees a red to brown fire-scorched appearance.

The disease is most active when new growth is wet. Normally the disease attacks in the spring. The new growth will turn brown and when the disease progresses too far, the plant cannot be saved.

The leaves will appear to have a white or gray film in the late summer causing the leave to turn brown and drop early. The wind can blow spores from leaf to leaf.

Read the original here:
Tree and Shrub Diseases - Natural Way Lawn & Tree Care

Related Posts
February 28, 2014 at 7:18 pm by Mr HomeBuilder
Category: Tree and Shrub Treatment