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Espindula, M.C., Rocha, V.S., Grossi, J.A.S., Souza, M.A., Souza, L.T. and Favorato, L.F. (2009). Use of growth retardants in wheat. Planta Daninha, 27, 379-387.

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• TITLE: Effects of Trinexapac-Ethyl on different wheat varieties under desert conditions of Mexico

  AUTHORS: Raúl Leonel Grijalva-Contreras, Rubén Macías-Duarte, Gerardo Martínez-Díaz, Fabián Robles-Contreras, Fidel Nuñez-Ramírez

  KEYWORDS: Growth Regulators; Moddus; Yield; Plant Height; Lodging

  JOURNAL NAME: Agricultural Sciences, Vol.3 No.5, September 21, 2012

  ABSTRACT: A field study was conducted to determine the effect of Trinexapac-Ethyl (TE) on four wheat varieties (Rafi C97, Altar C84, Nacori C97 and Rayon F86) at three growth stages (first node, second node and flag leaf). TE application (150 g a.i. ha-1) reduced plant height and decreased grain yield at any growth stage. Yield decrease was associated to a significant reduction in the number of grains per spike and in grain weight. TE delayed flowering time and grain maturity, while stem diameter and spikes m-2 were not affected. Further studies are needed to clarify the effect of TE on wheat under desert conditions of Mexico.