The difference is it tend only to attack the berries. And, it attacks at various times, such that it is believed to be caused something lacking in the environment. Coffee berry disease attacks the green tissues at the beginning stage of berry development and often penetrating into the interior of the berry destroying the bean. It appears at the base berries then moves up the stalk. The berry will have brown patches which seem to have small punctures.
Lesions form on the darker areas of the berry and in time the berry turns ash gray.
Coffee berry disease has caused sever losses in Kenya and the Congo. Varieties of coffea such as Jamaican Blue Mountain show inherited resistance to this disease. Control of this disease is again by choosing the right environment. This disease is a cold temperature disease and may be avoided is the temperature never drops below 65 degrees fahrenheit. Perenox spray and other copper fungicides in four applications during the year tends to reduce the affects.