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 Plant Diseases in Arkansas
Maple Anthracnose
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We’ve had quite a few calls this year on a disease that’s showing up on our
maple trees in landscapes throughout the state.
Basically this is a disease called anthracnose and the symptoms that we’re
looking for are going to be primarily leaf spots and these are going to black in
color and as the spots will coilist or grow together, often times the leaves
will crinkle, get a very black appearance and in many cases those leaves will
defoliate.
A lot of people are quite concerned about this disease, but its primary cosmetic
problem. What we suggest is that if it’s practical to rake up those leaves that
have fallen and dispose of those appropriately. Either put them on the street
for collection or if it’s allowed, to burn those leaves, because these leaves
can be a source of a disease the following year.
What we’re recommending for homeowners is just to make sure that that tree is
growing vigorously, and by that we’re talking about appropriate fertilization,
based on a routine recent soil test and appropriate water, because these factors
can predispose the plant to disease attack.
In a lot of cases that the tree is growing vigorously, it will put on another
set of leaves. So homeowners shouldn’t be too alarmed about this particular
disease.
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