The results showed that the Pb content in different part of 20 genotypes of wheat grains differred from each other as aleuronic layer>hypocotyl>radicle>scutellum>plumule>cortex>endosperm.

• 结果表明：铅在小麦籽粒不同部位的含量存在明显差异，由大到小的依次为：糊粉层、胚轴、胚根、盾片、胚芽、皮层、内胚乳。