. Circular. Agriculture; Agriculture -- United States. Fig. 5.—Roots of cucumber, shov/i;:g en- largements caused l)y the gallworm. Nearly all other common garden plants are similarly attaclced. There are many thousands of the worms in the nodules upon such a root system. (After Kati Marcinowski.) Fig. 7.—Roots of the cow-pea, showing enlargements caused by the gallworm. With the exception of one variety (the Ironcowpea) this plant is very susceptible to the gallworm, and the use of susceptible va^ rieties as green-manure crops in peach orchards and in rota- tions just preceding cotton in the
. Circular. Agriculture; Agriculture -- United States. Fig. 5.—Roots of cucumber, shov/i;:g en- largements caused l)y the gallworm. Nearly all other common garden plants are similarly attaclced. There are many thousands of the worms in the nodules upon such a root system. (After Kati Marcinowski.) Fig. 7.—Roots of the cow-pea, showing enlargements caused by the gallworm. With the exception of one variety (the Ironcowpea) this plant is very susceptible to the gallworm, and the use of susceptible va^ rieties as green-manure crops in peach orchards and in rota- tions just preceding cotton in the South is to be avoided. () ^^^asff^'. 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, D. C. : U. S. Dept. of Agriculture, Bureau of Plant Industry
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Keywords: ., bookcentury1900, bookdecade1900, booksubj, booksubjectagriculture
