grapeoptimo
Well-Known Member
from internet
The two most common leaf spot diseases are yellow leaf spot caused by two Septoria species (McPartland 1995d), and brown leaf spot caused by about eight Phoma and Ascochyta species (McPartland 1995c). These diseases rarely kill plants but sharply reduce crop yields.
can anyone help fight this
The two most common leaf spot diseases are yellow leaf spot caused by two Septoria species (McPartland 1995d), and brown leaf spot caused by about eight Phoma and Ascochyta species (McPartland 1995c). These diseases rarely kill plants but sharply reduce crop yields.
can anyone help fight this