Question

The disease of potato responsible for famous famine of Europe was caused by:
A. Colletotrichum falcatum
B. Phytophthora infestans
C. Potato maniac virus
D. Alternaria solani

Answer 1

We have to remember that in the middle of the years 1315–1317 (which is occasionally dated 1315–1322) is denoted to be the great famine of Europe. One can say that it is the first of a series of large-scale crises in which the people of European countries got struck. Thus, we can say that it occurred early in the 14th century. Many people are said to be dead between these years. It caused great loss to the rich countries. The European countries lost both the fortune of money and human resources.

Complete answer:
We must remember that the potato late blight is said to be one of the devastating plant diseases. This is the epidemic which destroyed the potato crops rooting for the famous famine. It is the Phytophthora infestans which causes the seed borne disease which is characterized by brownish to blackish dead areas on the tip of the leaf.
We have to know that the Potato maniac virus can be defined as a plant pathogenic virus which is categorized under the family of Potyviridae. It is known to be one of the most significant plant diseases which is capable of affecting potato production.
One can call a fungal pathogen which is responsible for producing a disease in the crops of the vegetables like tomato and potato plants as Alternaria solani. The disease of Alternaria solani is also called early blight.
We can say that the concealed fungal ascomycete causes red rot is called Colletotrichum falcatum. One can define Colletotrichum falcatum as a serious disease in sugarcane.
So, the correct answer is “Option B”.

Note:
One we can say that the Great Famine of 1315–1317 was the first great pandemic which struck the people of European countries. According to the records of the history, it is said that the failures of the crop lasted through the years of 1316 up until the summer yield in the year 1317. In addition to this, people of the European countries did not fully recover until the year 1322.