Full TGIF Record # 27025
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Juska, F. V.; Hanson, A. A.
Author Affiliation:Research Agronomists, Crops Research Division, Agricultural Research Service, U.S. Department of Agriculture, Maryland
Title:Effect of preemergence crabgrass herbicides on seedling emergence of turfgrass species
Source:Weeds. Vol. 12, No. 2, April 1964, p. 97-101.
Publishing Information:Champaign, IL: Weed Science Society of America
# of Pages:5
Keywords:TIC Keywords: Preemergence herbicides; Crabgrass control; Digitaria sanguinalis; Digitaria ischaemum; Germination; Residual effects; Seedling emergence; Poa pratensis; Festuca arundinacea; Lolium perenne; Festuca rubra subsp. rubra
Abstract/Contents:"Preemergence herbicides for the control of crabgrass, (Digitaria ischaemum (Schreb.) Muhl. and D. sanguinalis (L.) Scop.) were applied to bluegrass sod at three different rates for three years to determine residual effects on the stand and vigor of perennial ryegrass, red fescue, tall fescue, and Merion and common Kentucky bluegrass seedlings. With few exceptions, the herbicides retarded stand and vigor of these turfgrasses seeded in turf killed with methyl bromide. Chlordane was least and a commercial arsenic complex plus 7% N most toxic to young seedlings. Seedlings of Merion Kentucky bluegrass were most resistant to herbicide injury. No appreciable decrease in original turf density was noted except for the arsenic complex material which severely injured bluegrass turf at the two heavier rates. Germination of the same turfgrasses seeded in flats of sterilized soil in the greenhouse 1 day, 41 days, and 93 days after the application of preemergence crabgrass herbicides, showed the most reduction in emergence from treatments with DMPA [O-(2,4-dichlorophenyl) O-methyl isopropylphosphoramidoate], trifluralin (2,6-dinitro-N,N-di-n-propyl-alpha-alpha-alpha- trifluro-p-toluidine), DCPA (2,3,5,6-tetrachloroterephthalic acid), and dipropalin (N,N-di-n-propyl-2,6-dinitro-p-toluidine). Lead arseante was least injurious to germinationg seedlings. Tall and red fescue were more tolerant to herbicides than the other grasses studied."
Language:English
References:6
Note:Reprinted from WEEDS, Vol.12(2), April 1961
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Juska, F. V., and A. A. Hanson. 1964. Effect of preemergence crabgrass herbicides on seedling emergence of turfgrass species. Weed. 12(2):p. 97-101.
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