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通过盆栽试验研究了落花生(Arachis hypogaea L.)对硒元素的生物富集作用。结果表明:随着生长发育期的推进,落花生对硒的生物累积作用呈动态变化,表现在植株体内硒的含量、硒元素累积进程及其贮量上。硒在植株内的累积以下针期为转折点,呈前轻后重之势,全株中55％的硒是结荚后累积的,下针期前硒以叶片为累积贮存中心,其后以荚果为中心,硒在植株内趋向于分布在植株生长旺盛的器官。成熟收获后,植株不同器官的贮量以果仁>叶>果壳>茎>根,含量分布为果仁>根>果壳>茎>叶。
The pot experiment was conducted to study the bioaccumulation of selenium by Arachis hypogaea L. The results showed that the biocharging effect of groundnut on the growth of selenium was dynamic with the growth and development of selenium, which showed the content of selenium, the accumulation of selenium and the accumulation of selenium. Accumulation of selenium in the plant The following needle point is the turning point, showing the light front and rear, 55% selenium in the whole plant is accumulated after podding, and the selenium leaves accumulate in the center before pipling, and then pod As the center, selenium tends to be distributed in organs that grow vigorously in plants. After harvest, the storage amount of different organs of the plant was in the order of kernel> leaf> shell> stem> root, and the content of kernel> root> shell> stem> leaf.