
handle: 10481/83275
Se han estudiado los efectos del ácido giberélico, quinetina, ácido abscísico y ethrel sobre la biomasa de plantas de cebada (Hordeum distichon L. cv. Pallas) durante el periodo de preantesis. Los diferentes tratamientos fueron aplicados por vía radical y el cultivo se llevó a cabo bajo dos diferentes condiciones de fotoperiodo (10h y 16h.). El ethrel produjo los mayores incrementos bajo ambas condiciones de fotoperiodo, seguido del ácido giberélico en condiciones de día corto. El ácido abscísico aumentó ligeramente el crecimiento en los dos experimentos efectuados. La quinetina, tanto con día largo como corto y el ácido giberélico con fotoperiodo largo provocaron una disminución de la cosecha biológica.
The effects of gibberellic acid, kinetin, abscisic acid and ethrel on the biomass of barley plants (Hordeum distichon L. cv. Pallas) during the preanthesis period has been observed. The various treatments were applied via the roots and two photoperiods (10 and 16h) were experimented with. Ethrel produced the highest increases under both photoperiod conditions, foIlowed by gibberellic acid in the short photoperiod. Abscisic acid enhanced growth slightly under both conditions. Kinetin, under both photoperiod conditions, and gibberellic acid in the long photoperiod provoked a fall in plant growth.
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