Tangerine Tree Diseases

Is Your Tangerine Tree Showing Signs of Distress? Expert Help for Mesa, Gilbert, Sun Lakes, Tempe, Chandler & Scottsdale



Common Tangerine Diseases in Mesa, AZ 

Citrus Greening (Huanglongbing): This is a serious bacterial disease that has devastated citrus industries. Symptoms include yellowing leaves with blotchy patterns, stunted growth, small, misshapen fruit, and a bitter taste. There is no cure. 

Alternaria Brown Spot: A fungal disease that primarily affects tangerines and mandarins. Look for deep brown to black spots on leaves and fruit, which may have raised brown centers and yellow halos. 

Citrus Canker: This bacterial disease causes raised, blister-like lesions on leaves, twigs, and fruit. It is highly contagious. 

Phytophthora Root Rot: This fungal disease attacks the roots, causing yellowing leaves, reduced growth, and eventually tree death. It thrives in overly wet soil. 

Solutions 

Prevention:  

Source healthy, disease-free trees from reputable nurseries. 

Maintain proper spacing and airflow between trees. 

Regularly inspect trees for signs of disease or pests. 

Quarantine new trees before planting. 

Management  

Fungicides: Can help manage diseases like Alternaria Brown Spot. Consult a Tree Care Professional for specific recommendations. 

Early Detection: Inspect trees regularly to identify problems early. If Citrus Greening is suspected, contact your local agricultural extension for guidance. 

Remove Infected Trees: Sadly, in cases of severe infections, particularly with Citrus Greening, tree removal may be necessary to prevent the disease from spreading. 

Local Resources 

Warners Tree Surgery (480-969-8808): They are an excellent resource for Professional Diagnosis and Management of Tangerine Diseases. 

Maricopa County Cooperative Extension: (https://extension.arizona.edu/maricopa). They offer research-based information and may have workshops on citrus care. 

Arizona Department of Agriculture: (https://agriculture.az.gov/). They regulate plant health and can provide guidance on serious diseases. 

Important Note: Citrus Greening is a major threat to citrus in Arizona. If you suspect your trees might be infected, get them assessed professionally as soon as possible. 

* Warners Tree Surgery is a Mesa, Arizona (Based) “Family Business”. Our Tree Disease Expert, Warner, is available to help you with your Sick Trees if you live within a 30-mile radius of Mesa. Warner Working, Our Tree Doctor, cares for Many Different Species of Trees in and around the cities of Mesa, Gilbert, Chandler, Tempe, Sun Lakes, and Scottsdale. If You need a Tree Disease Professional with Over 50 Years of Knowledge and Experience, then Call “Warners Tree Surgery”. Our Number Is: (480) 969-8808 For More Information/Videos Visit Our Websites https://warnerstreesurgery.com/ Or https://mesatreedoctors.com/ 

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