Open AccessControl of Leafhopper on Grapes in California, 1984
Author(s) -
M. H. Beevers
Publication year - 1985
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/10.1.44a
Subject(s) - leafhopper , acre , orchard , nymph , horticulture , vine , randomized block design , population , biology , toxicology , agronomy , botany , demography , hemiptera , sociology
Treatments were applied to a mixed population of leafhoppers in a randomized block design consisting of 3 vine plots replicated 4 times per treatment. One application was made on 19 Jul ’84 with an orchard handgun operated at 200 lb/in2 delivering 400 gal/acre to 5-year-old vines. Evaluations were made by counting the number of leafhopper nymphs per 10 leaves for each plot.
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