Pollution with heavy metals is a common problem worldwide that affects the growth of important crops and human health due to the consumption of contaminated crops. In the recent study, a set of 103 diverse spring wheat genotypes were evaluated for their tolerance to two important metals (lead and tin). The effect of these metals on kernel traits was measured to select tolerant and high-yielding genotypes. A great reduction in kernel length, kernel diameter, kernel width, and thousand kernel weight were found due to the effect of both metals. However, a highly significant correlation between the studied kernel traits was found suggesting their efficiency to indirectly select high yielding genotypes under heavy metals stress. In addition, the effect of the studied heavy metals on the physiological process was investigated and different responses to each metal were found suggesting that there are two different tolerant systems that the plant used to resist lead and tin. The selection of superior genotypes was done based on eight indices calculated for each studied kernel trait. Superior genotypes are those that were found to be tolerant based on all kernel traits. Based on this, one genotype, Gimmiza_11, was found to be highly tolerant to Sn and could be used as a parent in breeding for Sn tolerance. However, one genotype, BeniSweif_7, was found to be moderately tolerant to Pb based on only three kernel traits. Hence, searching for other sources of Pb tolerance in spring wheat is urgently needed. No genotype was found to be tolerant to both metals.

重金属污染是世界范围内普遍存在的问题，因食用受污染的农作物而影响重要农作物的生长和人类健康。在最近的研究中，评估了一组 103 种不同的春小麦基因型对两种重要金属（铅和锡）的耐受性。测量这些金属对籽粒性状的影响以选择耐受性和高产基因型。由于这两种金属的影响，发现颗粒长度、颗粒直径、颗粒宽度和千颗粒重量都有很大的减少。然而，发现所研究的内核性状之间存在高度显着的相关性，表明它们在重金属胁迫下间接选择高产基因型的效率。此外，研究了所研究的重金属对生理过程的影响，发现对每种金属的不同反应表明植物有两种不同的耐受系统来抵抗铅和锡。优良基因型的选择是基于为每个研究的核性状计算的八个指数进行的。优良基因型是那些基于所有内核性状被发现具有耐受性的基因型。基于此，发现一种基因型 Gimmiza_11 对 Sn 具有高度耐受性，可作为亲本用于 Sn 耐受性育种。然而，仅基于三个内核性状，发现一种基因型 BeniSweif_7 对 Pb 具有中等耐受性。因此，迫切需要寻找春小麦耐铅的其他来源。没有发现对这两种金属都耐受的基因型。