Foliar Sprays For Insect Control on Tomato, 1976 | Zendy

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Foliar Sprays For Insect Control on Tomato, 1976

Author(s) -

George G. Kennedy

Publication year - 1977

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/2.1.77

Subject(s) - sprayer , acre , randomized block design , sowing , horticulture , mathematics , statistical analysis , split plot , sample (material) , biology , agronomy , statistics , chemistry , chromatography

The experimental planting consisted of 24 single row X 20 ft plots of transplant tomatoes arranged in a randomized complete block experimental design. Rows were on 3.5 ft centers. Treatments were applied at weekly intervals from Jul 21 through Sept 14 using a CO2-powered, back-pack sprayer equipped with 2 hollow cone nozzles delivering 150 gal/acre at 40 psi. Control of L. sativae was assessed by counting all mines in a random sample of 25 mature terminal leaflets/plot on Aug 31 and Sept 7; these samples were combined for analysis. Damage to fruit by H. zea was assessed by examining all rotting, ripe, and ripening fruits weekly between Aug 17 and Sept 14; data from all sample dates were pooled for statistical analysis. Data were transformed appropriately to meet the necessary assumptions and subjected to analysis of variance.

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