. Bulletin. Agriculture. Fig. 4.—Isolation cage and Mason jars for isolating sugar-beet plants. is strong, but will exclude nothing smaller than adult leafhoppers; therefore both materials were used together. These covers were drawn well down the sides of the foundation frames and secured. Fig. 5.—Another type of isolation cage. (here by tacking laths over their free margins to the sides of the foundation frame. Special care was taken to make the corners tight. To place insects in the cage a lath was temporarily removed 33S01—Bui. 1S1—10 3. Please note that these images are extracted from scan
. Bulletin. Agriculture. Fig. 4.—Isolation cage and Mason jars for isolating sugar-beet plants. is strong, but will exclude nothing smaller than adult leafhoppers; therefore both materials were used together. These covers were drawn well down the sides of the foundation frames and secured. Fig. 5.—Another type of isolation cage. (here by tacking laths over their free margins to the sides of the foundation frame. Special care was taken to make the corners tight. To place insects in the cage a lath was temporarily removed 33S01—Bui. 1S1—10 3. 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 Plant Industry. Washington : G. P. O.
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Keywords: ., bookcentury1900, bookdecade1900, bookpubl, booksubjectagriculture
