. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 42 throughout, so that the water, when it issues, will be broken up into streams. It will sometimes be found necessary to file the tips as they come froui the factory to produce the desired results. The spray tiji proper is attached to a brass fittmg, which in turn screws onto the end of a three-quarter-inch hose. The apparatus is very effective for spraying roses, as it readily serves to keep the leaves in a thoroughly healthy condition, and at the same time wets the beds but little. It is also very useful for v
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 42 throughout, so that the water, when it issues, will be broken up into streams. It will sometimes be found necessary to file the tips as they come froui the factory to produce the desired results. The spray tiji proper is attached to a brass fittmg, which in turn screws onto the end of a three-quarter-inch hose. The apparatus is very effective for spraying roses, as it readily serves to keep the leaves in a thoroughly healthy condition, and at the same time wets the beds but little. It is also very useful for violets, as with a pres- sure of 35 to 40 pounds the leaves of the plant can be readily turned over and thor- oughly washed without soaking the crowns and the bed. In spraying some plants, particularly violets, it has been found advantageous to use a lance 18 inches long, made of a piece of one-half-inch brass pipe. This increases the reach, and enables the operator to place the water to better advantage on plants which under ordinary. 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 United States. Bureau of Entomology. Washington : G. P. O.
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Keywords: ., bookcentury1800, booksubjectentomology, booksubjectinsects, booky