. Minnesota plant diseases. Plant diseases. 368 Minnesota Plant Diseases. "If after two or three days there remain portions which are unchanged in color the vineyard is treated a second time, partic- tilar attention being paid to the parts omitted at the first treat- ; Lodeman (The Spraying of Plants, p. 295.) Downy mildew of vines [Plasmopara viticola (B. & C.) Berl.]. This is a very destructive disease of vines originating in the United States, but since about 1878 causing enormous destruc-. VlG. 196.âDowny mildew of grape. Under surface of a leaf, showing down of mildew t
. Minnesota plant diseases. Plant diseases. 368 Minnesota Plant Diseases. "If after two or three days there remain portions which are unchanged in color the vineyard is treated a second time, partic- tilar attention being paid to the parts omitted at the first treat- ; Lodeman (The Spraying of Plants, p. 295.) Downy mildew of vines [Plasmopara viticola (B. & C.) Berl.]. This is a very destructive disease of vines originating in the United States, but since about 1878 causing enormous destruc-. VlG. 196.âDowny mildew of grape. Under surface of a leaf, showing down of mildew threads spread over the entire leaf. Original. lion of vines in Europe. The fungus is a downy mildew and is a destructive parasite. It appears on all above-ground parts of the vines, but most abundantly on the leaves. When the latter are attacked they show, from above, pale green spots which later â become light yellow in color. This is the region where the my-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Freeman, Edward Monroe, 1875-. Saint Paul, Minn.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplantdi, bookyear1905
