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Published in Agron J 91:956-961 (1999)
© 1999 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Yield and Botanical Composition of Rhizoma Peanut-Grass Swards Treated with Herbicides

E. Valenciaa, M.J. Williamsb and L.E. Sollenbergera

a Agronomy Dep. Univ. Florida, Gainesville, FL 32611 USA
b USDA-ARS, Subtropical Agric. Res. Stn., Brooksville, FL 34601-4672 USA



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  		Fig. 1 Effect of glyphosate rates on dry matter (DM) yield of Mexican-tea (MT), cogongrass (CG), other grasses (OTHGR), and rhizoma peanut (RP) at 2 and 4 mo after application in 1995. At 2 mo and 4 mo after application, the effect of glyphosate rate on DM yield was linear for both MT (P < 0.01) and RP

 


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  		Fig. 2 Effect of glyphosate rates on dry matter (DM) yield of Mexican-tea (MT), cogongrass (CG), other grasses (OTHGR), and rhizoma peanut (RP) at 2 and 4 mo after application in 1996. At 2 mo after application , the effect of glyphosate on DM yield was linear and quadratic (P < 0.01) for MT and linear and cubic (P < 0.01) for RP. At 4 mo after application , the effect of glyphosate on DM yield was linear (P < 0.01) for MT and cubic for RP

 


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  		Fig. 3 Effect of triclopyr rates on dry matter (DM) yield of Mexican-tea (MT), cogongrass (CG), other grasses (OTHGR), and rhizoma peanut (RP) at 2 and 4 mo after application in 1995. At 2 mo after application , the effect of triclopyr on DM yield was linear and quadratic (P < 0.01) for MT, linear (P < 0.01) for CG, and linear (P < 0.01) for RP. At 4 mo after application , the effect of triclopyr rate on DM yield was linear (P < 0.01) and quadratic for MT, linear (P < 0.01) for CG, quadratic (P < 0.01) for OTHGR, and linear (P < 0.01) for RP

 


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  		Fig. 4 Effect of triclopyr rates on dry matter (DM) yield of Mexican-tea (MT), cogongrass (CG), other grasses (OTHGR), and rhizoma peanut (RP) at 2 and 4 mo after application in 1996. At 2 mo after application , the effect of triclopyr on DM yield was linear and quadratic (P < 0.01) for MT, cubic for CG, linear (P < 0.01) for OTHGR, and linear (P < 0.01) for RP. At 4 mo after application , the effect of triclopyr rate on DM yield was linear and quadratic (P < 0.01) for MT, linear for CG, and linear and quadratic (P = 0.01) for OTHGR

 




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Copyright © 1999 by the American Society of Agronomy.