The disease of potato responsible for famous famine of Europe was caused by or late blight of potato is caused?
A
Colletotrichum falcatum
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B
Phytophthora infestans
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C
Potato mosaic virus
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D
Alternaria solani
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Solution
The correct option is CPhytophthora infestans B. Phytophthora infestans
Reason: Late
blight of potatoes, this disease that was responsible for potato famine in the
mid-nineteenth. It is caused by fungus pathogen Phytophthorainfestans. This
seed born disease can infect the leaves, stems, fruits and tubers of potato and
involved the formation of brownish to blackish dead areas on the tip and margin
of the leaflet leading to blighting of the whole leaf.