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United States Department of Agriculture

Agricultural Research Service


Location: Global Change and Photosynthesis Research

2012 Annual Report

1a. Objectives (from AD-416):
Objective 1: Develop control measures for weeds in vegetables, fruits, and specialty crops. Objective 2: Determine herbicide residues in harvested product.

1b. Approach (from AD-416):
Herbicides alone or in combination with cultural and mechanical methods will be evaluated under field conditions and percent weed control by species, crop injury and crop yield will be determined. Plant samples will be collected for determination of herbicide residues.

3. Progress Report:
Research was conducted to assess the value of selected herbicides and collect data on use for minor crops. Experiments were conducted on herbicides for minor crops under a specific cooperative agreement with Michigan State University. Twenty-five projects were initiated in 2012, 21 GLP/performance studies and 4 efficacy/crop safety studies. Projects included: azoxystrobin, mefenoxam+copper, pendimethalin, and quinclorac on caneberry; carfentrazone-ethyl and oryzalin on asparagus; cyantraniliprole on carrot; diquat on tomato; fluazifop-p-butyl on green onion and strawberry; metaldehyde on bean; pendimethalin on blueberry; qgu42 on cantaloupe, onion, and cucumber; sulfentrazone on apple; and V-10208 on pepper and cucumber. Data were collected on crop injury or crop yield; as needed, residue samples were collected for pesticide residue analysis. Completed field notebooks were submitted to the IR-4 headquarters to support the petition processes for label registration of the herbicides on minor use crops.

4. Accomplishments

Last Modified: 09/21/2017
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