The samples of the aerial and root parts were placed separately in paper bags and dried in a rustic drying chamber at 70 °C during 72 hours, until a constant weight 72 h was registered. The dry aerial g and root g weights were determined in an analytical scale Sartorius, MP6 model.
Las muestras de la parte aérea y radical se colocaron, independientemente, en bolsas de papel y se secaron en una cámara de secado rústico a 70 °C por 72 h, hasta registrar un peso constante 72 h. Los pesos secos aéreo g y radical g se determinaron en una balanza analítica Sartorious, modelo MP6.