Сравнительный анализ продолжительности митотических циклов в корнях однодольных и двудольных

Abstract

The plant roots grow throughout life and that is a necessary condition for needed rate of water and ion absorption. Root growth is determined by the formation of new cells in the meristem and their growth of elongation. The last process takes in the roots in a short time. Therefore, long-term maintenance of root systems growth depends on the rate of formation of cells in the meristem. It is determined by two factors: the number of meristematic cells and the mitotic cycle duration – cell division rate. The results showed that, despite the variation of root growth rate, the differences in the mitotic cycle duration the vary considerably less.