The effect of biochar on the physiological, morphological and anatomical characteristics of mung bean roots after exposure to salt stress

The effect of biochar on the physiological, morphological and anatomical characteristics of mung bean roots after exposure to salt stress

Blog Article

To investigate the changes in the anatomical and physiological characteristics of mung bean roots in Crop Tee response to biochar treatment during salt stress, a pot experiment was conducted.Mung bean plants were subjected to three biochar concentrations (0, 50 and 100 g kg-1 soil) and three salinity treatments (0, 5 and 10 dSm-1 NaCl).Salinity decreased root growth, vascular cylinder (VC) and cortical parenchyma (CP) areas, affecting the VC/CP ratio, shoot dry weight, the relative water content (RWC) of roots and leaves, and the root indole-3-acetic acid (IAA) content.It increased specific root length, the shoot/root ratio and root abscisic acid (ABA), and 1-aminocyclopropane-1-carboxylic acid (ACC) contents.

Plant growth, RWC, the shoot/root ratio, specific root length, total root area, VC and CP areas, and the IAA/ABA and IAA/ACC ratios were increased by biochar under saline media.Biochar improved xylem structure, the Steamrollers plant growth regulator IAA, and decreased stress hormones, ABA and ACC, which accelerate plant senescence, consequently increasing mung bean growth under salt stress.