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Crop Tolerance and Weed Management in Liberty(Glufosinate)-Tolerant Cotton

L. K. Blair, P. A. Dotray, J. W. Keeling, J. R. Gannaway, L. L. Lyon, J. E. Quisenberrry and Mel J. Oliver


 
ABSTRACT

Liberty tolerance in cotton has recently been achieved by the insertion and expression of the bialaphos resistance (BAR) gene that codes for the phosphinothricin-N-acetyl-transferase (pat) enzyme, which was isolated from Streptomyces hygroscopicus. In 1997 and 1998, field experiments were conducted at the Texas Agricultural Experiment Station near Lubbock to examine field tolerance of Liberty-tolerant cotton. In these experiments, cotton growth and development was evaluated following Liberty applications at various growth stages, at different rates, and with sequential applications. Regardless of cotton growth stage at application, number of applications or Liberty application rate, no visual injury nor adverse effects on cotton development, yield or fiber quality were observed in either year.



Reprinted from Proceedings of the 2000 Beltwide Cotton Conferences pp. 1458 - 1459
©National Cotton Council, Memphis TN

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Document last modified Saturday, Jun 17 2000