Leaf Spot of Mulberry
Tom Creswell, Plant Disease Diagnostician and Director, Plant & Pest Diagnostic Lab
Fungal leaf spots on trees can cause yellowing and premature leaf drop, as
seen here on Mulberry. This leaf spot is fairly common on
Mulberry but causes more noticeable damage on trees with poor air movement,
growing in shady conditions or older trees with less vigorous summer growth.
However some trees are infected repeatedly, even when growing in full sun.
Fungicides are not necessary because the fungus doesn't cause serious harm
to the overall health of the tree. Fallen leaves should be raked and removed
from the area to help reduce the amount of fungus present next spring when
new growth starts.
Click image to enlarge