Carrot Weevil Control in Carrots, 1979 | Zendy

E. Grafius | Zendy; R. Collins | Zendy; A. Love | Zendy; Terry A. May | Zendy

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Carrot Weevil Control in Carrots, 1979

Author(s) -

E. Grafius,

R. Collins,

A. Love,

Terry A. May

Publication year - 1982

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/7.1.76a

Subject(s) - sprayer , randomized block design , windbreak , mathematics , horticulture , tractor , agronomy , environmental science , biology , botany , physics , thermodynamics

Carrots were planted on May 7. Plots were arranged In a randomized complete block design with 5 replications. Replications 1-3 were in the bed nearest the windbreak (source of infestation) and replictlons 4-5 were in the second bed. Each plot consisted of one 7-row bed by 30 ft long. Plots were sprayed on Jun 13, 20, 27; Jul 11, 18, 25; Aug 1, 8, 15, 27; Sep 17, with a tractor-mounted boom sprayer at 20 gpa (early in season) or 40 gpa (beginning Jul 11). A 10 ft section from the middle row of each plot was harvested on Sep 24, damaged and undamaged carrots from each plot were counted am weighed.

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