|
| _Currant diseases._--Leaf-spots and anthracnose are caused by two or | ||
|---|---|---|
 |
Chapter 3. PROTECTING PLANTS FROM THINGS THAT PREY ON THEM | 
|
three different fungi. The leaves become spotted, turn yellow, and fall prematurely. They may be controlled by three to five sprayings with bordeaux, 5-5-50, but it is doubtful whether the diseases are sufficiently destructive on the average to warrant so much expense.
|
|
 |
|
| _Cucumber diseases._--"Wilt" is a disease caused by bacteria that are |  |
_Gooseberry powdery mildew._--The fruit and leaves are covered with a |