It was feasible to determine the physiological procession related to drought stress and the differences among different groups of varieties by employing the drought stress caused by natural rainfall deficiency during wheat growing season around Baoding.

• 1 在保定地区冬小麦大田种植的试验条件下，利用本地区冬春季，特别是冬小麦春季生长季的自然降水量相对不足造成的田间干旱，研究不同抗旱性冬小麦品种在干旱胁迫条件下的有关生理过程及其变化趋势是可行的。