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Publication Type:
| Professional |
Author(s): | Cooper, Rich;
John, Christopher;
Shea, Damien |
Author Affiliation: | Cooper: Professor, Crop Science and Turfgrass Management Specialist; John: Master's Candidate, Crop Science; Shea: Professor, Zoology, North Carolina State University, North Carolina |
Title: | Determining pesticide foliar residue quantity: Persistence following application to lawn-type turf |
Column Name: | Turf Files Other records with the "Turf Files" Column
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Source: | North Carolina Turfgrass. March/April 2007, p. 32-37. |
Publishing Information: | Southern Pines, NC: The Turfgrass Council of North Carolina, Inc. |
# of Pages: | 6 |
Keywords: | TIC Keywords: Pesticides; Dislodgeable residues; Pesticide residues; Prodiamine; Absorption rate; Application rates; Weed control; Pesticide fate; Carfentrazone-ethyl + 2,4-D + Mecoprop + Dicamba
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Abstract/Contents: | Presents a study conducted "to determine the amount of foliar residues remaining on a tall-fescue lawn after application of several commonly used lawn pesticides." Details the materials and methods used in the study, stating that "the materials investigated were the broadleaf-weed herbicide SpeedZone (containing the active ingredient carfentrazone) and the pre-emergence herbicide Barricade." Reports that "immediately after the application, about 86% of the carfentrazone had been deposited deep into the canopy where it was not wiped off, or else it had actually penetrated the leaf already." Results indicate that "pesticides are most effective when they are applied to the area wheere a particular pest is located. This concept is known as the 'Target Principle.'" Mentions research conducted to "determine if increasing the application spray volume from 2 gallons to 3 gallons of solution per 1,000 ft2 [square feet] might increase herbicide penetration to the soil surface, resulting in improved control and reduced foliar residues available for exposure." Reports that "using the higher application volume was effective at moving residues deeper into th turf canopy where they could not be dislodged as easily." Concludes that "increasing application spray volume or encouraging post-application irrigation can both be effective in moving herbicide residues deeper into the turfgrass canopy. This is desirable for reducing human exposure to residues." |
Language: | English |
References: | 0 |
Note: | Pictures, color Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Cooper, R., C. John, and D. Shea. 2007. Determining pesticide foliar residue quantity: Persistence following application to lawn-type turf. N.C. Turfgrass. p. 32-37. |
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