Pest & Disease Problems
Blog Post by Kerry Norman
Root loss associated with tree relocation causes stress, increasing susceptiblity to certain insect and disease pests. Careful monitoring for the signs and symptoms of developing pest problems is needed to prevent or minimize such problems. When dealing with pest problems “the best defense is a good offense”.
It is preferable to prevent problems than to have to deal with them later, hence, careful evaluation and selection, preparation, timing and follow-up care are critical. Some pest and disease issues are best managed by using appropriate chemicals as a prophylaxis. This is especially true in the prevention of bark boring insects.
As mentioned earlier, trees undoubtedly become stressed during relocation; therefore preventative measures must be taken. The most common disease problem encountered in relocated trees is “Phytophthora” , a root and root crown disease of trees associated with poor drainage and over-watering. Although fungicidal treatment may be useful, the best way to manage phytophthora is through careful irrigation practices. Although, other insects and diseases may be noted, only a handful can actually threaten the health and survival of relocated trees. Chemical treatment should be reserved for serious problems.
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