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versión On-line ISSN 0718-0764
HERNANDEZ, Mauricio y MICHTCHENKO, Alexandre. Effects of Activation and Inhibition on the Growth of the Coleoptile and on the Root System of Wheat Seeds caused by Infrared Laser Radiation. Inf. tecnol. [online]. 2012, vol.23, n.2, pp.93-98. ISSN 0718-0764. http://dx.doi.org/10.4067/S0718-07642012000200011.
In this study the effects of infrared laser radiation on the growth of coleoptile and root system in wheat seeds Nahuatl variety (Triticum aestivum L) were investigated. A laser diode with wavelength A = 980nm was used and fifteen laser treatments were performed with different power densities and exposure times. Vach laser treatment was applied once before sowing in experiments carried on under laboratory conditions. The statistical analysis showed important activations and inhibitions in the growth of coleoptile and root system. The results showed that although the growth of the coleoptile was modified the root system was more susceptible to laser radiation, showing a maximum activation of 15.2% and a maximum inhibition of 17%.
Palabras clave : laser diode; infrared laser radiation; wheat; coleoptile; root system.