A. Phytophthora infestans
A.
B. Puccinia graminis
B.
C. Alternaria solani
C.
D. Pseudomonas fluorescens
D.
Correct Answer: A
সঠিক উত্তর: A
Explanation
ব্যাখ্যা
Phytophthora infestans is an oomycete pathogen that is responsible for late blight of potato. This fungal-like organism can infect the leaves, stems, and tubers of potatoes, causing significant damage and even leading to crop failure.