Circular, Issue 114

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U.S. Government Printing Office, 1909 - 173 pages
 

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Page 2 - Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, District of Columbia, Virginia, North Carolina, South Carolina, Georgia, Mississippi, Louisiana, Tennessee, Kentucky, Ohio, Illinois, Indiana.
Page 4 - Jire, add the kerosene immediately, and thorough!}* agitate the mixture until a creamy solution is obtained. This can be done by pouring the mixture into the tank of a spray -pump and pumping the liquid through the nozzle back into the tank. This is a stock solution which must be diluted before using. In order to make a 20 per cent emulsion, add to each gallon of the stock solution about 2^ gallons of water and agitate thoroughly before using. For a 25 per cent solution add to each gallon of the...
Page 4 - During the winter season plants are dormant and are able to withstand stronger insecticides without injury. The deciduous species of Euonymus should be treated after the falling of the leaves, or during winter, with a 25 per cent kerosene emulsion, or a solution of whale-oil soap at the rate of 1 pound to a gallon of water. The evergreen species and varieties can withstand 20 per cent kerosene emulsion during the dormant season. Care should be used to prevent the collection of the oily emulsion at...
Page 1 - United States Department of Agriculture, BUREAU OF ENTOMOLOGY, LO HOWARD. Entomologist and Chief of Bureau.

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