. Distribution maps of some insect pests in the United States. Insect pests United States; Insect pests Maps. - 40 - SOME INSECTS AND NEMATODES UNDER STATE OR FEDERAL REGULATION Heterodera glycines (soybean cyst nematode). | | Major soybean producing areas. ^_ Counties infested - one or more i^H infested fields in each county Numbers = Soybean acreage. 1958. Heterodera rostochiensis (golden nematode) October 31, 1959. 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
. Distribution maps of some insect pests in the United States. Insect pests United States; Insect pests Maps. - 40 - SOME INSECTS AND NEMATODES UNDER STATE OR FEDERAL REGULATION Heterodera glycines (soybean cyst nematode). | | Major soybean producing areas. ^_ Counties infested - one or more i^H infested fields in each county Numbers = Soybean acreage. 1958. Heterodera rostochiensis (golden nematode) October 31, 1959. 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. Plant Pest Control Division. [Washington, Plant Pest Control Division, Agricultural Research Service]
Size: 1970px × 1269px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollect, booksubjectinsectpestsunitedstates
