Altered anatomical appraisal of mung bean (Vigna radiata (L.) Wilczek) under salinity stress
DOI:
https://doi.org/10.3329/bjsir.v57i3.62016Keywords:
Mung bean; Anatomy; Vascular bundle; Palisade parenchyma; Spongy parenchyma; SalinityAbstract
Mung bean, an important pulse crop, its growth, and development are affected by various abiotic stresses where salinity hampers yield seriously. An experiment was conducted under the hydroponic condition to observe the effect of salinity on the anatomical attributes of mung bean genotypes. The design of the experiment was randomized complete with factorial having five levels of salinities i.e. 0 (control), 6, 8, 10, 12 dSm-1. The results indicated that anatomical features of mung bean plants were affected by the application of salt. The cortex and stele radius and vascular bundle strands were reduced due to salt application. The vascular bundle size especially the length was decreased with the increased levels of salinity. Similarly, the radius of cortex was also decreased with the increased levels of salinity. The results concluded that the application of salts altered the plant's internal structures, especially the vascular bundles and leaf spongy parenchyma tissue.
Bangladesh J. Sci. Ind. Res. 57(3), 139-148, 2022
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