The present study aimed to evaluate the effects of Cd and Cr as separate and in combinations in hydroponically grown seedlings of FA-08 and SH-13 cultivars of wheat (Triticum aestivum L.). The concentrations of heavy metals were higher in the root as compared to shoot and were more pronounced in SH-13 than FA-08 cultivar. The decrease in the seedling length and biomass was observed when the metals were applied in combined form (Cd–Cr 80–120, Cd–Cr 100–120, Cr–Cd 140–80, and Cr–Cd 140–100). There were more declines in root length in the cultivar SH-13 as compared to the shoot length, as the concentration of HMs increased. The root at level Cr-140 and shoot at level Cd-100 showed more reduction in SH-13 than FA-08. The high concentration of Cd and Cr affected the root epidermis, the cortical cells, and the xylem vessel. The size and number of stomata, length of long cells and short cells, and trichome were reduced at the concentration Cd-100 and Cr-140. The present study showed that the higher concentration of Cd and Cr affects the morpho-anatomical features of both selected wheat cultivar moderately.

中文翻译：

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重金属对小麦（Triticum aestivum L.）幼苗形态解剖学改变的影响评估

本研究旨在评估 Cd 和 Cr 单独和组合对 FA-08 和 SH-13 小麦品种（普通小麦）水培幼苗的影响。L.）。与地上部相比，根中重金属的浓度更高，并且在 SH-13 中比在 FA-08 品种中更显着。当以组合形式（Cd-Cr 80-120、Cd-Cr 100-120、Cr-Cd 140-80 和 Cr-Cd 140-100）施用金属时，观察到幼苗长度和生物量减少。随着 HMs 浓度的增加，与枝条长度相比，栽培品种 SH-13 的根长度下降更多。与 FA-08 相比，Cr-140 水平的根和 Cd-100 水平的枝条显示出更多的 SH-13 减少。高浓度的 Cd 和 Cr 会影响根表皮、皮质细胞和木质部血管。气孔的大小和数量、长细胞和短细胞的长度以及毛状体在 Cd-100 和 Cr-140 浓度下均减少。