. Control of roundheaded apple tree borer. Apple-tree borers. d. Fig. 5.—Method of applying one-half pint emulsion of PDB. Dendrol and water to borer entrance at base 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 Chandler, Stewart Curtis, 1889-; Flint, W. P. (Wesley Pillsbury), 1882-1943. Urbana

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Keywords: ., bookauthorflintwpwesleypil, bookcentury1900, bookpublisherurbana