Discussion
Who is the first person who demonstrated that fungi cause plant diseases ?
Answer: C
Among the options, the answer is Heinrich Anton de Bary.
In 1861 de Bary inoculated healthy potato plants with spores of the late blight fungus and reproduced the disease, which proved that the fungus was its cause and not a result of decay. This settled the long debate after the Irish potato famine.
Earlier, in 1807, Benedict Prevost had shown that wheat bunt was caused by a fungus, and some texts credit him with the first demonstration; he is not among the options, so the paper takes de Bary, whose proof was the decisive one. Louis Pasteur worked on fermentation and animal disease, E. J. Butler on Indian plant diseases in the twentieth century, and M. S. Swaminathan on wheat and rice breeding.
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