- Learn what is damaging your tree and how to stop it.
- Distinguish between plant damage brought on by diseases, insects, or a nutrient deficiency.
- Learn to identify these pests and how to protect the trees.
- Beetles and bugs are damaging our trees.
- Ash Bark Beetle – These beetles account for most of the decline of the Ash trees.
- Bark beetles infest and reproduce in live trees. They may infest the entire tree.
- Spring pruning and disposal of infested branches can limit the population development of the beetle.
- Anthracnose – Anthracnose is a group of fungal diseases that affect various plants.
- Shade trees such as sycamore, ask, oak, and maple are especially susceptible.
- Anthracnose causes the wilting, withering, and dying of tissues.
- Other symptoms are girdled dead twigs and areas of sunken bark.
- Good sanitation is the first line of defense; rack and safely destroy all fallen leaves from infected trees and roses.
- Maple trees – What’s happening with Maple trees where the leaves are more yellowish than green or red?
- This is not from beetles but from micro-nutrient chlorosis. This occurs when a tree shrub is lacking micronutrients.
- Treat this by incorporating chelated formulas of iron, manganese, or zinc into the soil.
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Source: firstname.lastname@example.org in collaboration with Associated Landscape Contractors of Colorado