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Evaluation of Insecticides for Control of Seedcorn Maggot on Soybean, 1981
Author(s) -
J. E. Funderburk,
R. A. Higgins,
Larry P. Pedigo,
Leon G. Higley
Publication year - 1982
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/7.1.179a
Subject(s) - loam , randomized block design , sowing , threshing , mathematics , horticulture , biology , agronomy , botany , soil water , ecology
Plots consisted of 4 rows by 41 ft (30 inch row spacing) replicated 4 times in a randomized complete block design. Plots were planted on poorly drained Coland clay loam soil near Ames, IA. Before planting, meat and bonemeal (1 lb/20 ft row) were applied over the rows to enhance seedcorn maggot oviposition. Tests were planted on May 1. Damage ratings were taken on May 28 by sampling 6 x 1 m sections of row per plot. Damage ratings were total germination, percentage emerged seedlings with scarred cotyledons, and percentage emerged seedlings without plumules. Plots were harvested on Sep 25 by threshing 6 m of row per plot.

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