. Minnesota plant diseases. Plant diseases. i6o Minnesota Plant Diseases. The fungus can be held in check by a persistent pruning off of the l<nots. Such a pruning prevents the spread of the myce- lium in the tissues of the host. The knots should be immediately. Fig. 192.—Powdery mildew of plums and cherries. 1. Cherry leaf. 2. Spore-sac capsule showing the thread appendages with peculiar forking ends. 3. Spore-sacs, each with eight spores. 4. Very highly magnified spores. 5. A chain of summer spores. 6. Two summer spores germinating. All except 1, highly magnified. After Ellis. burned. Car


. Minnesota plant diseases. Plant diseases. i6o Minnesota Plant Diseases. The fungus can be held in check by a persistent pruning off of the l<nots. Such a pruning prevents the spread of the myce- lium in the tissues of the host. The knots should be immediately. Fig. 192.—Powdery mildew of plums and cherries. 1. Cherry leaf. 2. Spore-sac capsule showing the thread appendages with peculiar forking ends. 3. Spore-sacs, each with eight spores. 4. Very highly magnified spores. 5. A chain of summer spores. 6. Two summer spores germinating. All except 1, highly magnified. After Ellis. burned. Care should be taken to prevent a prevalence of the knots amongst wild cherries and plums in the neighborhood of the orchard. Spraying with bordeaux would probably assist in preventing a spread of the 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