Leaf-rust fungi infects trees
causes discolored or mottled yellow to brown colored. has a powdery
appear on underside of leaves. Leaves can be distorted or deformed.
survive the winter as spores on plants. Moisture will activate them when the temp is right for
them(55-75F). This fungi will spread on contact and can be blown on the wind.
You can best address this problem by following these steps:
1....use healthy alive compost (make your own)
2....never use chemical fertilizers that destroy the soils micro-organisms.
3....control the water in your environment (use a garden filter).
4....plant the correct type of trees
for your area
5....introduce beneficial bacteria into the soil try
Nitron A-35 and or