Nolina texana control with soil-applied herbicides

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 w...

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Bibliographic Details
Published in:Weed technology 1992-10, Vol.6 (4), p.904-908
Main Authors: Petersen, J.L, Ueckert, D.N
Format: Article
Language:English
Subjects:
AGAVACEAE
Agricultural soils
Agronomy. Soil science and plant productions
APPLICATION RATES
Biological and medical sciences
BROMACIL
BROMACILO
CHEMICAL CONTROL
CONDUITE DES HERBAGES
CONTROL QUIMICO
DESHERBAGE
DOSE D'APPLICATION
DOSIS DE APLICACION
ESCARDA
Fundamental and applied biological sciences. Psychology
GRASSLAND MANAGEMENT
Grazing management
HERBICIDAS
HERBICIDE
HERBICIDES
HEXAZINONE
Livestock
LUTTE CHIMIQUE
MANEJO DE PRADERAS
Mortality
Parasitic plants. Weeds
Phytopathology. Animal pests. Plant and forest protection
PICLORAM
PICLORAME
PICLORAN
Plants
Precipitation
RANGE MANAGEMENT
Rangeland soils
SOIL TREATMENT
TEBUTHIURON
TEXAS
Toxicity
TRAITEMENT DU SOL
TRATAMIENTO DEL SUELO
Vegetation canopies
WEED CONTROL
Weeds
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Summary: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$\text{plant}^{-1}$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.
ISSN:0890-037X
1550-2740
DOI:10.1017/S0890037X00036459