Canker Flashcards
1
Q
What type of trees does this disease infect?
A
apple, pears and poplar
2
Q
what are the symptoms of canker?
A
the surface of stems and bark become raised and split - material then oozes out.
Cankers enlarge and the whole branch can die off, causing low fruit yields
3
Q
how can you control canker?
A
removed infected tissue, and use a chemical spray
