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Purple Nutsedge (Cyperus rotundus) Control with Imazaquin in Warm-Season Turfgrasses

Published online by Cambridge University Press:  12 June 2017

G. Euel Coats ,
Roni F. Munoz ,
Doug H. Anderson ,
David C. Heering  and
Jim W. Scruggs
G. Euel Coats
Affiliation:
Dep. Plant Pathol., and Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
Roni F. Munoz
Affiliation:
Dep. Plant Pathol., and Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
Doug H. Anderson
Affiliation:
Dep. Plant Pathol., and Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
David C. Heering
Affiliation:
Dep. Plant Pathol., and Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
Jim W. Scruggs
Affiliation:
Dep. Plant Pathol., and Weed Sci., Mississippi State Univ., Mississippi State, MS 39762
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Abstract

Postemergence applications of imazaquin {2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-quinolinecarboxylic acid} controlled higher levels of purple nutsedge (Cyperus rotundus L. # CYPRO) in common bermudagrass [Cynodon dactylon (L.) Pers.] and hybrid bermudagrass (′Tifgreen’ and ‘Tifdwarf′, C. dactylon × C. transvaalensis Burtt-Davy) than monosodium salt of methylarsonic acid (MSMA). Control was better at 560 or 840 g ai/ha of imazaquin than at lower rates. Postemergence applications of imazaquin plus 2240 g ai/ha of MSMA controlled more purple nutsedge than equivalent rates of imazaquin alone. Preemergence applications of imazaquin were not effective. Bermudagrass discoloration was observed in some experiments on turfs mowed at a height of 1.3 cm or less but usually disappeared within 2 to 3 weeks, especially when MSMA was used in combination with imazaquin. No injury was observed on bermudagrasses, zoysiagrass (Zoysia japonica Steud. ‘Meyer′), St. Augustinegrass [Stenotaphrum secundatum (Walt.) Ktze. ‘Raleigh′], and centipedegrass [Erernochloa ophiuroides (Munro) Hack.] maintained at mowing heights above 1.3 cm.

Keywords

Cynodon dactylonCynodon transvaalensisEremochloa ophiuroidesStenotaphrum secundatumZoysia japonica, CYPRO
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 35 , Issue 5 , September 1987 , pp. 691 - 694
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

Literature Cited

1. Bingham, S. W. 1977. Yellow nutsedge (Cyperus esculentus) control in cool-season turfgrasses. Weed Sci. 25:487–491.Google Scholar
2. Duble, R. L., Holt, E. C., and McBee, G. G. 1968. The translocation of two arsenicals in purple nutsedge. Weed Sci. 16:421–424.Google Scholar
3. Gentner, W. A. 1973. Yellow nutsedge control with MBR-8251. Weed Sci. 21:122–124.Google Scholar
4. Hamilton, K. C. 1971. Repeated foliar applications of MSMA on purple nutsedge. Weed Sci. 19:675–677.Google Scholar
5. Holt, C. E., Faubion, J. L., Allen, W. W., and McBee, G. G. 1969. Arsenical translocation in nutsedge tuber systems and its effect on tuber viability. Weeds 15:13–15.CrossRefGoogle Scholar
6. Johnson, B. J. 1974. Purple nutsedge control in turfgrasses with S-21634. Weed Sci. 22:549–552.Google Scholar
7. Johnson, B. J. 1975. Purple nutsedge control with bentazon and perfluidone in turfgrasses. Weed Sci. 23:349–353.Google Scholar
8. Kelley, P. E. and Thullen, R. J. 1971. Control of nutsedge with organic arsenical herbicides. Weed Sci. 19:601–606.CrossRefGoogle Scholar
9. Kern, A. D., Meggitt, W. F., and Penner, D. 1978. Yellow nutsedge (Cyperus esculentus) control in Kentucky bluegrass (Poa pratensis) with bentazon, cyperquat, and perfluidone. Weed Sci. 26:280–283.Google Scholar
10. Long, J. A., Allen, W. W., and Holt, E. C. 1962. Control of nutsedge in bermudagrass turf. Weeds 10:285–287.Google Scholar