plant diseases and defences Flashcards
1
Q
What do plants need from the soil for healthy growth?
A
mineral ions
2
Q
Q: What happens if plants lack nitrates?
A
A: Stunted growth due to insufficient protein synthesis.
3
Q
Q: Why are magnesium ions important for plants?
A
A: They are crucial for chlorophyll production, necessary for photosynthesis.
4
Q
Q: Name some signs of plant disease.
.
A
A: Stunted growth, spots on leaves, patches of decay, abnormal growths, discolouration
5
Q
Q: How can you identify plant diseases?
A
A: Consult a gardening manual, take the plant to a lab, or use testing kits with monoclonal antibodies
6
Q
Q: What are some physical defenses plants have against pathogens?
A
A: A waxy cuticle and cellulose cell walls
