Week 10 - Crop Pathogens Flashcards
1
Q
How do viruses spread?
A
2 major modes:
Horizontal transmission = damaged cell walls, insects
Vertical transmission = inheriting virus
2
Q
The virus replication cycle?
A
- attachment
- Penetration
3.Uncoating - synthesis
- assembly
- release
3
Q
What are Nematodes?
A
Microscopic worms, that cause Root knot and cysts, leading to reduction in yield and tuber quality
4
Q
Nematode lifecycle?
A
- Mating
- Egg filled Cyst
- Hatchling enters the roots of the Potatoes
