Question

Light blight of Potato is due to

• A. Alternaria solani
• B. Albuga candida
• C. Fusarium moniliforme
• D. Phytophthora infestans

Answer 1

The correct option is D Phytophthora infestans

• Potato blight or late blight disease is caused by the fungus-like organism Phytophthora infestans, which spreads rapidly in the foliage of potatoes and tomatoes causing collapse and decay.
• The disease spreads most readily during periods of warm and humid weather with rain.

So, the correct answer is 'Phytophthora infestans'.