When seeds acquire the desiccation tolerance, their physiology, shape and structure change accordingly including composing of sugars, proteins lipids, antioxidant defence systems and other protective substances.

• 当种子获得脱水耐性时，生理、形态和结构会发生相应的变化，包括糖、蛋白质、脂类和抗氧化系统等保护性物质的合成，各种保护性物质不是单独作用的，而是协同调节种子的脱水耐性。