Tree Disease Identification Tips

Trees are an important component of our daily lives. They are responsible for various environmental conservation initiatives thus tree disease management is a critical issue that we cannot afford ignoring. Looking for tree removal in Austin TX is a good way of tree disease management. Our natural gift is affected by various diseases such as bacterial blast, dothiorella blight, gray mold among many others. The diseases have to be managed, and a sound management means is via early identification and treatment.

Tips for identification

Bacterial blast


The leaf petiole is the area where the infection starts as black lesions which later appear on tree twigs. In case, the twig lesion girdles the main stem branch and twig dieback can occur. This is a popular disease in valleys on the tree sides that are exposed to wind-driven rain.rogresses to he leaf axils. You will notice leaf blade curling, drying and then drop prematurely.


There is premature leaf drop, twig dieback as well as fruit dark staining when it affects trees. The dying twigs and leaves are covered with fungal spores that are dark in color. The spores are the means via which pathogen spreads. The disease is common after a wet spring that is usually prolonged.

Mesophyll collapse

This is easy to identify disease if you are a keen observer. The translucent and sunken soft tissue between the leaf veins as a result of moisture stress is the red light. The trees are unable to provide enough water to leaves which turn pale in color. The leaf tissue color changes to tan or at times necrotic.

Bacterial canker

hhhffhhf The development of scabby and circular lesions on both leaf sides, on fruits and twigs is a  tip that immediate action has to be taken. The fruit and leaf lesions are in most cases  surrounded by a water-soaked or dark margin or at times a yellowish halo. Lesions related  to this disease are raised which is not the case with infections that result from sunburn and  hail injury.

Armillaria root rot

Tree canopy will appear as pale and sparse. This is the conventional aboveground crown and root disease symptom. You are advised to timely and regularly inspect beneath bark and roots for early diagnosis.


Young shoots are at a risk of dying from botrytis fungus infection. The prolonged rains are the main reason behind the development of the disease on citrus fruit trees. Coastal lemons are also at risk where diseases move from old blooms towards developing new fruits during the spring season.


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