Control of DHM, 1988:
Author(s) -
A. M. Shelton,
W. T. Wilsey,
Sanford D. Eigenbrode
Publication year - 1989
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/14.1.103a
Subject(s) - randomized block design , acre , sprayer , row , boom , tractor , mathematics , nozzle , horticulture , block (permutation group theory) , biology , environmental science , agronomy , engineering , computer science , combinatorics , automotive engineering , environmental engineering , mechanical engineering , database
Cabbage was transplanted on 23 Jun at the Robbins Entomology Farm near Geneva N.Y. Plots consisted of two 15-ft rows on 36-inch centers with 16-inch plant spacing. Treatments were replicated 12 times in a randomized complete block design. A 2-row tractor-mounted boom, with 3 flat fan nozzles/row and 8004 tips, delivering 31 gal/acre at 50 psi and 2.5 mph, was used to apply 2 applications of each treatment. Treatments were applied on 8 and 30 Aug and evaluated 17-21 Sep. Evaluations were made by randomly selecting 2 plants/plot, removing all leaves, and counting larvae.
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