Rose Black Spot Flashcards
1
Q
What is the Rose Black Spot
A
the most serious disease of roses
2
Q
What are the symptoms of Rose Black Spot
A
feathery-edged, black spots on lower leaves
3
Q
How does it spread?
A
If left untreated, the infection spreads to the entire rose bush
4
Q
How do you prevent it?
A
Keep the leaves dry at night
5
Q
How long does it last for?
A
A year or two
6
Q
What Microorganism is it?
A
Fungus
