Open AccessEvaluation of Insecticides for Control of Diamondback Moth on Collards, 1997
Author(s) -
Paul McLeod
Publication year - 1998
Publication title -
arthropod management tests
Language(s) - English
Resource type - Journals
eISSN - 2155-9856
pISSN - 2155-9848
DOI - 10.1093/amt/23.1.91a
Subject(s) - sprayer , diamondback moth , biology , horticulture , toxicology , mathematics , agronomy , larva , botany , plutella
‘Champion’ Collard was planted at the Vegetable Insecticide Plot, Univ. of Arkansas Main Experimental Station on 2 Sep 1997. Plants were spaced 2 inches apart in rows separated by 40 inches. Plots consisted of one 50-ft-long row. Experimental design was RCB with four replications. Treatments were applied 25 Sep with a backpack sprayer equipped with 1 Tee Jet 8003 nozzle calibrated to deliver 34.5 gpa at 30 psi. Insecticide effectiveness was assessed by counting the number of DBM larvae on each of 15 randomly selected plants per plot 4 DAT. Each of the 15 plants also was rated for foliage damage; i.e., 0 for no damage to 5 for complete loss of foliage.
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