Resumo

TUCUCH-HAAS, César J. et al. Effect of salicylic acid on growth root maize seedlings. Rev. Mex. Cienc. Agríc [online]. 2016, vol.7, n.3, pp.709-716. ISSN 2007-0934.

The results obtained in maize seedlings (Zea mays), two independent experiments in which the effect was evaluated effect on the growth of root and shoot by foliar application of concentrations of salicylic acid (AS) (0.01, 0.1 and 1 μM). The Seedlings completely randomly arranged with seven repetitions were cultured in foam cups and PVC pipes, with perlite as substrate, two environmental conditions. In the experiment in growth room with 1 μM treatment of AS significantly increased root length in 30.6% and 0.1 μM of AS 24.7% in volume compared to the control. In the experiment in open sky conditions treatment with 0.1 μM of AS significantly increased root length by 18% and 35% fresh weight compared with the control. This concentration also significantly increased total fresh biomass of seedlings up to 42%.

Palavras-chave : Zea mays L.; biomass; grasses; salicylic acid; seedling root.

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