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Influence of Preemergence and Postemergence Herbicides on Rooting of Turfgrasses

Published online by Cambridge University Press:  12 June 2017

Peter J. Landschoot ,
Thomas L. Watschke  and
Bryce F. Hoyland
Peter J. Landschoot
Affiliation:
Dep. Agron., The Pennsylvania State University, University Park, PA 16802
Thomas L. Watschke
Affiliation:
Dep. Agron., The Pennsylvania State University, University Park, PA 16802
Bryce F. Hoyland
Affiliation:
Dep. Agron., The Pennsylvania State University, University Park, PA 16802
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Abstract

PRE and POST herbicides were evaluated for their effects on root growth of Kentucky bluegrass and tall fescue turf. All PRE treatments, bensulide at 14.0 kg ai ha−1, DCPA at 11.8 kg ha−1, dithiopyr at 0.4 kg ha−1, pendimethalin at 1.7 kg ha−1, and prodiamine at 0.6 kg ha−1, inhibited root growth when cores, 10 cm in diam and 2.5 cm deep, of herbicide-treated Kentucky bluegrass were placed into pots of perlite. Only prodiamine inhibited tall fescue rooting. None of the PRE treatments reduced rooting of grasses when 10-cm diam and 16-cm deep cores were sampled from the field. No differences in rooting were observed among any of the POST treatments on either species.

Keywords

Bensulide, O,O-bis (1-methylethyl) S-[2-[(phenylsulfonyl)amino]ethyl] phosphorodithioateDCPA, dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylatedithiopyr, S,S-dimethyl, 2-(difluoromethyl)-4-(2-methylpropyl)-6-(trifluoromethyl)-3,5-pyridinedicarbothioatependimethalin, N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamineprodiamine, 2,4-dinitro-N3,N3-dipropyl-6-(trifluoromethyl)-1,3-benzenediamineKentucky bluegrass, Poa pratensis L.tall fescue, Festuca arundinacea SchrebRoot inhibitionbensulideDCPAdithiopyrfenoxaproppendimethalinprodiamineDigitaria ischaemumFestuca arundinaceaPoa pratensisDIGIS
Type
Research
Information
Weed Technology , Volume 7 , Issue 1 , March 1993 , pp. 123 - 126
Copyright
Copyright © 1993 by the Weed Science Society of America 

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References

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