Certain diseases are often times very persistent. Even with early development target sprays (such as those applied in spring) to help reduce the harmful spread of diseases, there are times when further treatments are required for adequate control. Diseases persistently infect trees throughout the entire growing season and some are even active during the dormant winter months (depending on air and ground temperature).
Diseases persistently infect trees throughout the entire growing season
Cultural care also impacts the success of any tree care program intended to minimize disease infections. Tree pruning and crown thinning help insure better trans-flow of much needed and required photosynthesis for the trees overall vigor. Mulching to protect root flares from sun scale or "weed whacking blight" is another good cultural practice. And, certainly any tree that is struggling with disease infection throughout the growing season will benefit from a scheduled fall season, deep root fertilization treatment which will put needed and required nutrients back in the xylem cell walls.
Fall (September and October) Micro Trunk and Sub-Soil Injections are treatment methods available when combating elongated and highly resistant diseases. Often times factors surrounding the trees location make injections an excellent treatment choice. Anthracnose and apple scab are 2 diseases which are very aggressive and season-long persistent. Fall injections work particularly well for these diseases (as well as many others) and oftentimes offer up to 2 years of protection.
For further help contact the Tree Doctors at Branch Tree Service, Inc.