. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. COCCIDM 139 For measures of treatment where exclusion is not possible, there are two or three fairly effective remedies in the killing of the scale. One of these is kerosene emulsion, made by agitating kerosene and soapsuds. One gallon of water,. Fig. 92.—San Jose scale on leaves aiul fruit. (Photo from Ohio Exp. Sta.) one-half pound of soap brought to the boiling point and then mixed (away from the fire) with two gallons of kerosene and then agitated into an emulsion by a f
. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. COCCIDM 139 For measures of treatment where exclusion is not possible, there are two or three fairly effective remedies in the killing of the scale. One of these is kerosene emulsion, made by agitating kerosene and soapsuds. One gallon of water,. Fig. 92.—San Jose scale on leaves aiul fruit. (Photo from Ohio Exp. Sta.) one-half pound of soap brought to the boiling point and then mixed (away from the fire) with two gallons of kerosene and then agitated into an emulsion by a force-pump or egg- beater. This is diluted with soft water, one part of emul- sion to eight or nine parts of 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 Osborn, Herbert, 1856-1954. Philadelphia ; New York : Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectb, booksubjectinsects
