Control of Grape Berry Moth in Pennsylvania, 1976 | Zendy

Gerald L. Jubb | Zendy

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Control of Grape Berry Moth in Pennsylvania, 1976

Author(s) -

Gerald L. Jubb

Publication year - 1977

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/2.1.32

Subject(s) - sprayer , acre , horticulture , berry , randomized block design , mathematics , toxicology , agronomy , biology

Nine insecticides were evaluated for control of grape berry moth in 1976 on grapes near North East, PA. Plots consisted of 6 vines in a row replicated 3 times in a randomized block design. Guard plants of 3 vines within rows and one row between treated rows isolated the plots. Sprays were applied using an Ortho Spray-Ette Queen Size garden sprayer. This was operated off a high pressure hose on a Myers 61256ET2 hydraulic sprayer. Operating pressure was 100 psi. Sprays were applied to run-off, resulting in 200 gallons of solution being applied per acre. In sampling, 50 clusters were selected at random per plot, half from each side of the row. The number of injured clusters was recorded. Percentages of injured clusters were transformed to X + 0.5 and treated by analysis of variance and Duncan's modified (Bayesian) least significant difference test. Three fungicide applications (June, July, and August) were applied to all experimental areas: Folpet 50WP 2 lb ai/acre.

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