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Nolina texana Control with Soil-Applied Herbicides

Published online by Cambridge University Press:  12 June 2017

Joseph L. Petersen
Affiliation:
Tex. Agric. Exp. Stn., 7887 N. Hwy. 87, San Angelo, TX 76901
Darrell N. Ueckert
Affiliation:
Tex. Agric. Exp. Stn., 7887 N. Hwy. 87, San Angelo, TX 76901

Abstract

Tebuthiuron, picloram, hexazinone, and bromacil were evaluated at 0.5, 1.0, and 2.0 g ai or ae per plant for sacahuista control on gravelly loam soils in western Texas. Tebuthiuron applied at 2.0 g per plant killed 87% of the sacahuista, which was significantly greater mortality than that achieved with the same rate of bromacil (62%) and hexazinone (44%). The 2.0 g plant-1 rate of tebuthiuron, bromacil, and hexazinone reduced live canopies of sacahuista 88 to 98%. Picloram did not control sacahuista. Sacahuista mortality increased curvilinearly with increasing rates of tebuthiuron and bromacil, whereas the response to hexazinone was linear.

Type
Research
Copyright
Copyright © 1990 by the Weed Science Society of America 

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