Open AccessApple, Leafhopper Control, 1991
Author(s) -
James W. Johnson,
John C. Wise
Publication year - 1992
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/17.1.34
Subject(s) - leafhopper , sprayer , randomized block design , horticulture , biology , botany , agronomy , hemiptera
Sprays were applied to mature trees in Douglas, MI ('E' Block) on 7 Jun at a rate of 90 gpa with an FMC 1029 sprayer. Treatments were arranged in a completely randomized design of single trees replicated 4 times. Dodine, Captan, Nova, Rubigan, and NAA were applied separately to all treatments. Applications of all materials were made on 7 Jun. Evaluation of pests was made on 7 Jun (pre-count), 10 Jun, 17 Jun, and 24 Jun. Motile stages of leafhoppers were counted on the end 4 leaves of 25 terminals per tree (100 per treatment).
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