. Minnesota plant diseases. Plant diseases. 220 Minnesota Plant Diseases. on ; [Mass. Bull. No. 80â1902.] Only the clear blue fluid should be used. This solution is recommended only when the staining of the foliage and fruits by bordeaux is objectionable, e. g., in fruits nearing maturity and on green- house plants. It has been recom- mended for fungus parasites as the powdery mildews which possess a conspicuous and superficial mycelium. A solution of copper carbonate (one pound to forty gallons of water) with- out ammonia has also been recom- mended for fruit rots. Copper acetat
. Minnesota plant diseases. Plant diseases. 220 Minnesota Plant Diseases. on ; [Mass. Bull. No. 80â1902.] Only the clear blue fluid should be used. This solution is recommended only when the staining of the foliage and fruits by bordeaux is objectionable, e. g., in fruits nearing maturity and on green- house plants. It has been recom- mended for fungus parasites as the powdery mildews which possess a conspicuous and superficial mycelium. A solution of copper carbonate (one pound to forty gallons of water) with- out ammonia has also been recom- mended for fruit rots. Copper acetate. Copper acetate (diba- sic acetate) 6 oz. Water 50 gals. First make a paste of the copper acetate, by adding water to it, then dilute to the required strengh'. Use finely powdered acetate of copper, not the crystalline form. [Mass. Bull. Fig. 108.âA powerful horizontal â ' t t> t l type of spray pump for or- No. 8oâ1902]. May be uscd as a Snfg. coo'"'"''' '^°""" substitute for the copper carbonate mixtures. Saccharate of copper. "Copper sulphate 4 pounds. Lime 4 pounds. Molasses 4 pints. Water 25 gallons. Slake four pounds of lime and dilute the same with water. Dissolve four pints of molasses in a gallon of water and mix with the lime. Stir thoroughly and let it stand a few hours. Dissolve four pounds copper sulphate in ten gallons of water and pour into it the lime-molasses solution while stirring brisk- ly. Allow the mixture to settle. Draw off the clear greenish solution for ; [Mass. Bull. No. 80â1902.] Potassium sulphide. "Water 10 gallons. Potassium sulphide 3 ; [Mass. Bull. No. 80â1902.]. 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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