Alfalfa Weevil Control in Alfalfa, 1980 | Zendy

John L. Heliman | Zendy; William R. Curtis | Zendy; Kevin Levesque | Zendy; Fern Bassow | Zendy; Maria Frishman | Zendy

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Alfalfa Weevil Control in Alfalfa, 1980

Author(s) -

John L. Heliman,

William R. Curtis,

Kevin Levesque,

Fern Bassow,

Maria Frishman

Publication year - 1982

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/7.1.136

Subject(s) - sprayer , weevil , randomized block design , nozzle , horticulture , mathematics , zoology , biology , environmental science , agronomy , engineering , mechanical engineering

This test was conducted at Beltsville on a 1-yr-old stand of alfalfa. Damage was severe (100%) and pre-counts averaged 105 larvae/sweep. Treatment plots were 10 ft x 15 ft and arranged in a randomized complete block design with 4 replicates. Pre-counts and treatments were made on May 6. Sprays were applied with a CO2 back pack boom sprayer calibrated to deliver 10 gpa at 30 psi with hollow cone nozzles. Post-treatment counts were taken on May 10 and were based on 2 dip sweeps of a 15 inch standard net per plot.

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