Plant diseases ongoing... (Edexcel GCSE Biology Combined Science): Flashcards
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What causes stunted growth in plants?
What causes stunted growth in plants?
Nitrate deficiency
Which plant does black spot fungus affect?
Which plant does black spot fungus affect?
Roses - causes black spots on leaves
Crown galls are caused by
Crown galls are caused by
Bacterial infections
What is chlorosis?
What is chlorosis?
Yellowing of leaves due to magnesium deficiency
What is the effect of TMV on plants?
What is the effect of TMV on plants?
Causes mosaic discolouration pattern, affects photosynthesis
What do aphids do to plants?
What do aphids do to plants?
Feed on sap, cause malformed stems/leaves
Role of nitrates in plants
Role of nitrates in plants
Convert sugars to proteins for growth
Why is magnesium crucial for plants?
Why is magnesium crucial for plants?
Needed for chlorophyll production
Use of monoclonal antibodies in plant disease
Use of monoclonal antibodies in plant disease
Detect antigens from specific pathogens
What does DNA detection method identify?
What does DNA detection method identify?
Pathogen DNA in plant tissue samples