. Cooperative economic insect report. Beneficial insects; Insect pests. 259 Corn Earworm Survey Regions. Figures = per acre loss. Results: The results of the Indiana corn earworm survey are shown in the table. The number of fields sampled, the percent infestation, and losses in terms of percent of crop, bushels per acre, total bushels, and dollars are shown for each region. Regional locations are shown on the map. Although the survey data indicate a loss of $9,837,568 to dent corn from earworm infesta- tion in Indiana in 1956, the percent crop loss for the State was only percent or bu
. Cooperative economic insect report. Beneficial insects; Insect pests. 259 Corn Earworm Survey Regions. Figures = per acre loss. Results: The results of the Indiana corn earworm survey are shown in the table. The number of fields sampled, the percent infestation, and losses in terms of percent of crop, bushels per acre, total bushels, and dollars are shown for each region. Regional locations are shown on the map. Although the survey data indicate a loss of $9,837,568 to dent corn from earworm infesta- tion in Indiana in 1956, the percent crop loss for the State was only percent or bushels per acre. The cost and unrelia- bility of earworm control makes insecticide application to dent corn economically not feasible with the possible exception of some of the southernmost parts of Indiana. 1956 Corn Earworm Infestation and Loss to Dent Corn in Indiana Region No. of Percent Percent Bushels Total Total Fields Infested Crop Per Acre Bushels Dollars Sampled Ears Loss Loss Loss Loss Northwest 21 34 237,900 $ 285,480 North central 21 25 189,158 226,989 Northeast 20 42 628,307 753,968 Northwest central 25 42 386,892 464,270 Central 19 40 238,947 286,736 Northeast central 23 50 465,976 559,170 Southwest central 15 53 487,112 586,934 Southeast central 18 18 137,451 164,941 Southwest 20 79 2,531,316 3 ,037,580 South central 11 82 2,222,625 2 ,667,150 Southeast 7 85 670,292 804,350 State Total (Wt'd) 200 48 8,195,976 $9,837,568 1956 Indiana corn yield: 296,546,000 bushels Loss based on $ per bushel, average November December price 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 United States. Animal and Plant Health Service. Plant Protection and Quarantine Programs; Un
Size: 1286px × 1943px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
