. Fig. 119. — Potato late-blight. Rows at left sprayed with Bordeaux mixture and Paris green; rows at right received Paris green only. Original. putrid mass. In the earlier stage the blackened part is bordered by a narrow region of light green, characterized by a slightly watery, flaccid appearance. Under conditions of especially humid atmosphere a fine, white down may be seen upon the more recently invaded parts. This affection of the leaves is accompanied by an offensive odor discernible at considerable distance from the field. The disease usually soon shows on the stems also, which in turn


. Fig. 119. — Potato late-blight. Rows at left sprayed with Bordeaux mixture and Paris green; rows at right received Paris green only. Original. putrid mass. In the earlier stage the blackened part is bordered by a narrow region of light green, characterized by a slightly watery, flaccid appearance. Under conditions of especially humid atmosphere a fine, white down may be seen upon the more recently invaded parts. This affection of the leaves is accompanied by an offensive odor discernible at considerable distance from the field. The disease usually soon shows on the stems also, which in turn blacken and die.


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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921