Full TGIF Record # 8863
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Coats, G. Euel; Krans, Jeff V.
Author Affiliation:Assoc. Prof. and Prof. Agron Dept. Mississippi State University, Mississippi State, MS
Title:Evaluation of Ethofumesate for Annual Bluegrass (Poa annua) and Turfgrass Tolerance
Source:Weed Science. Vol. 34, No. 6, November 1986, p. 930-935.
Publishing Information:Champaign, IL: Weed Science Society of America
Keywords:TIC Keywords: Ethofumesate; Poa annua; Resistance; Lolium; Agrostis; Festuca rubra subsp. rubra
Abstract/Contents:"Field and greenhouse studies were conducted to evaluate annual bluegrass (Poa annua L. #4 POAAN) control and phytotoxicity of ethofumesate [(+-)-2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonate] to selected warm- and cool-season turfgrass species. Annual bluegrass control in non-overseeded dormant hybrid bermudarass [Cynodon dactylon (L.) Pers. x C. tranvaalensis Burtt-Davy 'Tifgreen' #CYNDA] was 75% or greater with at least two ethofumesate applications at monthly intervals starting in December. Tifgreen bermudagrass spring growth was delayed with more than two applications of ethofumesate at 1.1 kg ai/ha, or when the second application was made after January. Under greenhouse conditions the growth of both Tifgreen and Tifdward bermudagrass was less when treated with ethofumesate. Stand and shoot growth of 29 cultivars of ryegrass (Lolium spp.), bluegrass (Poa spp.), bentgrass (Agrostis spp.), and red fescue (Festuca rubra L. # FESRU) were reduced by ethofumesate at 1.1 kg/ha as a preemergence or split (0.5 kg/ha preemergence + 0.5 kg/ha postemergence) application. Postemergence applications were less phytotoxic to cool-season turfgrasses than preemergence applications. Perennial ryegrass stands were generally not redeuced by postemergency application of ethofumesate at 1.1 kg/ha. However, shoot growth of perennial ryegrass was reduced."
Language:English
References:4
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Coats, G. E., and J. V. Krans. 1986. Evaluation of Ethofumesate for Annual Bluegrass (Poa annua) and Turfgrass Tolerance. Weed Sci. 34(6):p. 930-935.
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