Fescue, Grasshopper Control, Missouri, 1982
Author(s) -
Rick Brandenburg,
G. W. Kirfman
Publication year - 1983
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/8.1.201
Subject(s) - grasshopper , nymph , boom , instar , zoology , horticulture , biology , table (database) , toxicology , mathematics , botany , environmental science , ecology , computer science , environmental engineering , larva , data mining
The test was conducted near Alton, MO on ca 13-in fescue. Insecticide sprays were applied on Aug 10 to 60 x 60 ft plots with 4 replications. Grasshoppers were late instar nymphs and adult meadow grasshoppers (80%) and redlegged grasshoppers (20%). Sprays were applied at 20 gpa and 40 psi using 8002 flat fan nozzles on a 20-ft spray boom. Evaluations were obtained at 48 h post treatment by taking 10 (180 degree) sweeps with a 15-in sweep net. The temperature at treatment was 83°F. The data were transformed by X + 0.5. Means in the table are of actual counts
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