Effect of Herbicides and Handweeding on Establishment of Kleingrass and Buffelgrass

In the greenhouse, kleingrass [Panicum coloratum (L.) 'Selection 75'] and buffelgrass [Cenchrus ciliaris (L.) 'Nueces'] were tolerant of preemergence application of butylate (S-ethyl bis(2-methylpropyl)carbamothioate) and early postemergence sprays of barban (4-chloro-2-butynyl 3-chlorophenylcarbamate) and siduron [N-(2-methylcyclohexyl)-N′-phenylurea]. Kleingrass tolerated early postemergence sprays of bromoxynil (3,5-dibromo-4-hydroxybenzonitrile), but bromoxynil injured buffelgrass. In the field, the most promising treatments for kleingrass establishment, compared with handweeding, included postemergence sprays of 2,4-D [(2,4-dichlorophenoxy)acetic acid], preemergence application of siduron, and ropewick application of glyphosate [N-(phosphonomethy)-glycine]. Once established, kleingrass seedlings tolerate extreme drought during the growing season where weeds had been controlled.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information.Migrated from OJS platform August 202