Full TGIF Record # 33688
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Publication Type:
Author(s):Menn, W. G.; Beard, J. B.; Hall, M. H.
Author Affiliation:Texas Agricultural Experiment Station
Title:The effects of spray volume and a nitrogen-iron adjuvant on the control of weedy grasses using MSMA
Article Series:Pests
Source:Texas Turfgrass Research - 1991. 1991, p. 95-97.
# of Pages:3
Publishing Information:College Station, TX: Texas Agricultural Experiment Station.
Series:Texas Agricultural Exp. Station Consolidated Report
Keywords:TIC Keywords: Spray volumes; Adjuvants; Digitaria ischaemum; Paspalum dilatatum; MSMA; Herbicide evaluation; Weed control; Application rates
Abstract/Contents:This study was conducted to determine the need, if any, for high spray volumes of MSMA when treating grassy weeds in a Common bermudagrass turf, as well as to prove or disprove a common complaint from applicators concerning a failure of MSMA to control certain grassy weeds. Ratings of phytotoxicity were taken 8 days after the initial treatment. Ratings of the sequential treatments made 8 days after treatment produced results very similar to those observed after the initial treatment. When applying MSMA at the recommended rate, spray volume had only a slight effect on the phytotoxicity of the chemical to Common bermudagrass. Under the conditions of this study, spray volume differences of 20 to 100 gallons per acre (187 to 935 L/ha) did not significantly affect control of two grassy weeds, smooth crabgrass and dallisgrass. Two applications of MSMA spaced 2 weeks apart were necessary to achieve complete control of the two grassy weeds under the conditions of this study. The iron + nitrogen adjuvant, Ferromec AC, did decrease phytotoxic effects on Common bermudagrass. However, its addition also substantially negated the control of two grassy weeds. Consideration should be given to revising MSMA product labels to allow the applicator the option of using a spray volume of from 20 to 100 gallons per acre.
See Also:Other items relating to: M S M A
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Menn, W. G., J. B. Beard, and M. H. Hall. 1991. The effects of spray volume and a nitrogen-iron adjuvant on the control of weedy grasses using MSMA. Tex Turfgrass Res. p. 95-97.
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