Acaricides Test, 1987 | Zendy

E. H. Beers | Zendy; E. A. Eisner | Zendy

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Acaricides Test, 1987

Author(s) -

E. H. Beers,

E. A. Eisner

Publication year - 1989

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/14.1.2a

Subject(s) - sprayer , acaricide , acre , mite , mathematics , randomized block design , toxicology , horticulture , block (permutation group theory) , botany , biology , statistics , combinatorics , agronomy

The test was conducted in a block of mature trees near Rock Island, Wash. The experimental design was a randomized complete block with 4 single-tree replicates. Treatments were applied to the point of drip on 31 Jul with a handgun sprayer operating at 400-500 psi. Rates were based on a dilute application of 400 gal/acre. Mite populations were assessed weekly by collecting 25 randomly selected leaves from each tree, brushing them onto glass plates with a mite-brushing machine, and counting mites.

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