What causes rose black spot?
A fungus.
AQA GCSE Biology - Foundation (8461) · 4.3.3.1
Revise AQA GCSE Biology - Foundation (8461) specification point 4.3.3.1, Detection and identification of plant diseases, with free active-recall flashcards. Flip through the set or review every question and answer below.
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What causes rose black spot?
A fungus.
What leaf symptoms are associated with rose black spot?
Purple or black spots develop; leaves often turn yellow and fall early.
Why does rose black spot reduce a plant’s growth?
Leaf damage and loss reduce photosynthesis, reducing growth.
How can rose black spot spread through the environment?
Through water or wind.
What are two ways to treat rose black spot?
Use fungicides and remove and destroy affected leaves.