Plant Pathology, Department of
Department of Plant Pathology: Faculty Publications
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Document Type
Article
Date of this Version
2012
Citation
Plant Disease Management Reports 8, FC018 (2012).
Abstract
A foliar fungicide efficacy timing trial was conducted at the University of Nebraska-Lincoln South Central Agricultural Laboratory near Clay Center, NE. DeKalb corn hybrid DKC 61-69, rating of “good” (5 out of 9) for gray leaf spot and “very good” (3 out of 9) for common rust, was planted on 29 Apr in 30-in. rows with a target population of 30,000 plants/A. The trial area was disked the previous fall with a crop history of six years of continuous corn. Three treatments and a non-treated control were replicated six times in a randomized complete block design. Each plot was four rows (10 ft) wide by 40 ft in length. . . . Among all treatments, the nontreated control had the lowest stay green percentage (23.2%) while Evito 480 SC, 2 fl oz, VT had the highest stay green percentage (30.3%). There were no significant differences among treatments for 500-count kernel weights. Grain moisture ranged from 16.2% to 16.4% for all treatments. The nontreated control had the lowest yield at 229.3 bu/A while Evito 480 SC, 2 fl oz, VT had the highest yield at 235.5 bu/A. There was no statistical difference in yield among all treatments.
Comments
Copyright © 2012 The American Phytopathological Society. Used by permission.