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Herbicide Effects on Tensile Strength and Rooting of Bermudagrass (Cynodon dactylon) Sod

Published online by Cambridge University Press:  12 June 2017

Sam S. Sharpe ,
Ray Dickens  and
David L. Turner
Sam S. Sharpe
Affiliation:
Dep. Agron. Soils, and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849–5412. Ala. Agric. Exp. Stn. J. Ser. No. 3-881756P
Ray Dickens
Affiliation:
Dep. Agron. Soils, and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849–5412. Ala. Agric. Exp. Stn. J. Ser. No. 3-881756P
David L. Turner
Affiliation:
Dep. Agron. Soils, and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849–5412. Ala. Agric. Exp. Stn. J. Ser. No. 3-881756P
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Abstract

The objective of this study was to determine how selected herbicides affect sod tensile strength and rooting of mature and immature turfs of ‘Tifway’ bermudagrass. Both immature and mature turf had 100% ground cover, but only mature turf had tensile strength adequate for harvesting and handling. Sod tensile strength at 2, 4, and 8 weeks after application generally was unaffected by herbicide treatment, although imazapyr killed bermudagrass top growth. Root number and root length initially were depressed by imazapyr, bensulide, napropamide, sethoxydim, and sulfometuron at most rates and intervals tested. Eight weeks after treatment, root length, root number, and sod tensile strength for all treatments, except those with imazapyr, were similar to that of the untreated control.

Keywords

Bensulide, O,O-bis-(1-methylethyl)-S-[2-[(phenylsulfonyl)amino] ethyl] phosphorodithioateimazapyr, (±)-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acidnapropamide, N,N-diethyl-2-(1-naphthalenyloxy)propanamidesethoxydim, 2-[1-(ethoxyimino) butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onesulfometuron, 2-[[[[(4,6-dimethyl-2-pyrimidinyl)amino] carbonyl] amino] sulfonyl] benzoic acid, bermudagrass, Cynodon dactylon (L.)Pers. #3 CYNDA X C. transvaalensis Burtt-Davy # CYNTRRoot inhibitionturfturfgrassesCYNDACYNTR
Type
Research
Information
Weed Technology , Volume 3 , Issue 2 , June 1989 , pp. 353 - 357
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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