The blight is another serious disease of the potato
Late Potato Blight. The blight is another serious disease of the potato. This is quite a different disease from the scab and so requires different treatment. The blight is caused by another fungus, which attacks the foliage of the potato plant. When the blight seriously attacks a crop, it generally destroys the crop completely. In the year 1845 a potato famine extending over all the United States and Europe was caused by this disease.
Fig. 128. Yield from Two Fields of the Same Size
The one at the top was sprayed; the one at the bottom was unsprayed
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