Open AccessControl of Cabbageworm Complex, 1983
Author(s) -
K. A. Sorensen,
E. M. Johnson
Publication year - 1985
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/10.1.82a
Subject(s) - sprayer , acre , randomized block design , block (permutation group theory) , plastic mulch , nozzle , mathematics , mulch , hydrology (agriculture) , environmental science , horticulture , zoology , biology , geology , engineering , agronomy , geotechnical engineering , mechanical engineering , geometry , agroforestry
Cabbage was transplanted 2 Jim near Benson, NC. Single row plots 10 ft long on 42-inch centers were arranged in a randomized complete block design replicated 4 times. White plastic mulch covered the plots. Insecticide applications were made on 16, 23, 30 Jun, 7, 18 and 25 Jul using a CO2 pressurized backpack sprayer with a single hollow cone nozzle operated at 60 psi delivering 100 gal/acre. Bravo 500 was applied 7 and 21 Jul. Damage ratings were made 19 Jul.
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