观察细胞白色体的材料在实验教材中都有介绍,如洋葱头、鸭跖草、白菜心、玉簪等。但大多数材料的白色体分布不集中或白色体小,不易观察。经多年摸索,我们找到了一种较理想的材料——金边龙舌兰。金边龙舌兰(Agave americana var. variegata)属龙舌兰科,生命力强,耐旱耐寒,极易栽培,在实验室窗台上栽一两盆,可随时取用。 Observed the white body cells in the experimental materials have been introduced, such as onions, Commelina, cabbage heart, Hosta and so on. However, most of the white body material is not concentrated or white body is small, not easy to observe. After years of exploration, we found a more ideal material - Phnom Penh agave. Agave americana var. Variegata belongs to the agave genus, with strong vitality, drought tolerance and cold tolerance. It is easy to cultivate. Agave americana var.