10 Questions
What is the causal agent of late blight?
Phytophthora infestans
Where does the white downy growth of the late blight fungus appear?
On the lower surface of the leaves
What are the initial symptoms of late blight on tomato leaves?
Pale, green, irregular spots on the tips and margins
How can late blight be managed?
Follow crop rotation and avoid solanaceous crops like potato
What happens to tomato fruits affected by late blight?
Dark, olivaceous greasy appearing spots are formed
What is the appearance of late blight symptoms on tomato leaves?
Pale, green, irregular spots on the tips and margins
What is the recommended method to manage late blight?
Follow crop rotation and avoid solanaceous crops in rotation
What causes the central tissue of late blight symptoms to turn necrotic and dark brown or black?
Moist weather
Where is the white downy growth of the late blight fungus most prevalent on tomato leaves?
Lower surface in morning hours when climate is moist
What type of spots are formed on tomato fruits affected by late blight?
Dark, olivaceous greasy appearing spots
Test your knowledge of late blight symptoms with this quiz. Learn to identify the signs of this destructive plant disease, including irregular spots, white downy growth, and brown streaks.
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