Full TGIF Record # 25096
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Carlson, JoAnn M.; Wyse, Donald L.; Somers, David A.; Ehlke, Nancy J.; Schreiber, Beth M. N.
Author Affiliation:Department of Agronomy and Plant Genetics, University of Minnesota: Graduate Research Assistant; Professor; Associate Professor; Assistant Professor; Postdoctorate Research Associate
Title:Tissue culture selection for herbicide tolerance in Kentucky bluegrass
Meeting Info.:Held: December 10-12, 1991, Indianapolis, IN
Source:Proceedings of the North Central Weed Science Society. Vol. 46, 1991, p. 81.
# of Pages:1
Publishing Information:Omaha, NB: North Central Weed Control Conference
Keywords:TIC Keywords: Herbicide resistance; Tissue culture; Selection; Poa pratensis
Abstract/Contents:"Kentucky bluegrass (Poa pratensis L.) seed produced in northern Minnesota is often contaminated with quackgrass seed. Currently, there are no selective herbicides which control quackgrass in Kentucky bluegrass seed production fields. Our objectives were 1) to establish a tissue culture system for Kentucky bluegrass and 2) to select for tolerance to sethoxydim or fluazifop in tissue culture. Immature inflorescences were aseptically excised and plated onto MS2 media. Callus was initiated from 26 varieties of Kentucky bluegrass. Fast-growing, friable, embryogenic callus was identified and plants were regenerated. Embryogenic callus was exposed to increasingly inhibitory concentrations of sethoxydim and fluazifop. Plants regenerated from callus that survived on 8 uM sethoxydim and 3.2 uM fluazifop media showed no increased tolerance to the herbicides at half the recommended field rates."
Note:This item is an abstract only!
Geographic Terms:Minnesota
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Carlson, J. M., D. L. Wyse, D. A. Somers, N. J. Ehlke, and B. M. N. Schreiber. 1991. Tissue culture selection for herbicide tolerance in Kentucky bluegrass. Proc. North Cent. Weed Sci. Soc. 46:p. 81.
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