Plant diseases and defences

HideShow resource information
If plants don't have enough mineral ions what does this lead to?
Deficiency symptoms
1 of 9
Why do plants need nitrates?
For growth/making proteins
2 of 9
Why do plants need magnesium ions?
For making chlorophyll for photosynthesis
3 of 9
What happens to the plant if they lack magnesium and nitrates?
Stunted growth, chlorosis and yellow leaves
4 of 9
How can plant diseases be detected by?
Stunted growth, spots on leaves, discolouration, infestation of insects, rotting, abnormal growths and deformed stems/leaves
5 of 9
How can we identify signs of disease in a plant?
By using a gardening manual, scientists detecting the pathogen or using testing kits containing monoclonal antibodies
6 of 9
What are the physical barriers of a plant against pathogens and insects?
Waxy cuticle, layers of dead cells and cell walls
7 of 9
What are the chemical defences within a plant?
Antibacterial chemicals and poisons to deter herbivores and kill bacteria
8 of 9
What are the mechanical defences within a plant?
Thorns/hairs to deter animals, leaves drooping/curling when touched and mimicry to trick animals
9 of 9

Other cards in this set

Card 2

Front

Why do plants need nitrates?

Back

For growth/making proteins

Card 3

Front

Why do plants need magnesium ions?

Back

Preview of the front of card 3

Card 4

Front

What happens to the plant if they lack magnesium and nitrates?

Back

Preview of the front of card 4

Card 5

Front

How can plant diseases be detected by?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Microbes and disease resources »