Improved White Clover Control with Mesotrione by Tank-mixing Bromoxynil, Carfentrazone, and Simazine

Mesotrione is under evaluation for registration in turfgrass for weed control, but often requires repeat treatments. Previous research in agricultural crops indicates tank mixtures with mesotrione improve weed control. Greenhouse trials were conducted in Blacksburg, VA, with 7 mo-old white clover, a...

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Bibliographic Details
Published in:Weed technology 2007-07, Vol.21 (3), p.739-743
Main Authors: Willis, John B, Askew, Shawn D, McElroy, J. Scott
Format: Article
Language:English
Subjects:
admixture
Admixtures
application timing
broadleaf weeds
bromoxynil
carfentrazone
chlorophyll
Chlorophylls
Clover
Cynodon dactylon
dry matter accumulation
Herbicides
lawns and turf
mesotrione
pesticide mixtures
Photosystem II
plant age
Plants
simazine
Surfactants
Trifolium repens
Turf grasses
Turf management
turfgrass
Weed control
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Summary:Mesotrione is under evaluation for registration in turfgrass for weed control, but often requires repeat treatments. Previous research in agricultural crops indicates tank mixtures with mesotrione improve weed control. Greenhouse trials were conducted in Blacksburg, VA, with 7 mo-old white clover, and field trials in Knoxville, TN, evaluated control of 5-yr old white clover in a stand of common bermudagrass. Data from both field and greenhouse trials indicate mesotrione applied in combination with bromoxynil, carfentrazone, or simazine control white clover better than any of these herbicides applied alone. Combinations of bromoxynil, carfentrazone, and simazine with mesotrione also decreased relative chlorophyll index and white clover fresh weights in agreement with visually estimated control. Nomenclature: Bromoxynil, carfentrazone, mesotrione, simazine, white clover, Trifolium repens L. TRFRE, common bermudagrass, Cynodon dactylon (L.) Pers. ‘Vamont’
ISSN:0890-037X
1550-2740
DOI:10.1614/WT-06-091.1