Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the causal agent of late blight?
What is the causal agent of late blight?
- Phytophthora infestans (correct)
- Alternaria solani
- Botrytis cinerea
- Fusarium oxysporum
Where does the white downy growth of the late blight fungus appear?
Where does the white downy growth of the late blight fungus appear?
- On the upper surface of the leaves
- Around the stems
- On the lower surface of the leaves (correct)
- On the tomato fruits
What are the initial symptoms of late blight on tomato leaves?
What are the initial symptoms of late blight on tomato leaves?
- Circular, dark brown spots with yellow margins
- Pale, green, irregular spots on the tips and margins (correct)
- Purple, fuzzy patches on the upper surface
- Yellow, concentric rings on the lower surface
How can late blight be managed?
How can late blight be managed?
Signup and view all the answers
What happens to tomato fruits affected by late blight?
What happens to tomato fruits affected by late blight?
Signup and view all the answers
What is the appearance of late blight symptoms on tomato leaves?
What is the appearance of late blight symptoms on tomato leaves?
Signup and view all the answers
What is the recommended method to manage late blight?
What is the recommended method to manage late blight?
Signup and view all the answers
What causes the central tissue of late blight symptoms to turn necrotic and dark brown or black?
What causes the central tissue of late blight symptoms to turn necrotic and dark brown or black?
Signup and view all the answers
Where is the white downy growth of the late blight fungus most prevalent on tomato leaves?
Where is the white downy growth of the late blight fungus most prevalent on tomato leaves?
Signup and view all the answers
What type of spots are formed on tomato fruits affected by late blight?
What type of spots are formed on tomato fruits affected by late blight?
Signup and view all the answers
