Evaluation of Danitol 2.4 Ec During Summer Temperatures for Control of Variegated Grape Leafhopper, 1991 | Zendy

Michael D. Rethwisch | Zendy; Charles W. McDaniel | Zendy; Rober. Rush | Zendy; Jos. Solorzano | Zendy

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Evaluation of Danitol 2.4 Ec During Summer Temperatures for Control of Variegated Grape Leafhopper, 1991

Author(s) -

Michael D. Rethwisch,

Charles W. McDaniel,

Rober. Rush,

Jos. Solorzano

Publication year - 1992

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/17.1.64a

Subject(s) - acre , leafhopper , sprayer , horticulture , vine , biology , mathematics , agronomy , botany , hemiptera

Two rates of Danitol 2.4 EC and Lannate L as an insecticide comparison were applied to grapes on 29 Jul. Treatments were made with a ground sprayer applying 114 gal/acre. Plots were 500 ft long by 8 rows wide. Plots were sampled 1, 4, 11, and 21 DAT. Samples consisted of examining leaves 6- 15 from a vine terminal and counting VGLH nymphs. Six samples/plot were obtained, 3 from each of the center 2 plot rows, all from the north side of row. The entire field was treated with Lannate L on Aug 15. Daily high temperatures during the study ranged from 100-115°F.

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