水分和CO2浓度对冬小麦气孔特征、气体交换参数和生物量的影响

武海霞,郭丽丽,郝立华,张浩,王清涛,程东娟,彭正萍,李菲,张茜茜,李树彬,徐明,郑云普

Effects of Water and CO2 Concentration on Stomatal Traits, Leaf Gas Exchange, and Biomass of Winter Wheat

Hai-Xia WU,Li-Li GUO,Li-Hua HAO,Hao ZHANG,Qing-Tao WANG,Dong-Juan CHENG,Zheng-Ping PENG,Fei LI,Xi-Xi ZHANG,Shu-Bin LI,Ming XU,Yun-Pu ZHENG

图1 不同水分条件下e[CO2]对冬小麦叶片近轴面(A)和远轴面(B)气孔空间分布格局的影响 深蓝色和褐色包迹线之间为气孔空间分布格局的95%置信区间。Lhat (d)表示最小邻域距离, 当Lhat (d)值小于95%置信区间时, 气孔在该尺度为规则分布, 且Lhat (d)的最小值越小, 则气孔空间分布越规则。

Fig. 1 Effects of e[CO2] on the spatial distribution pattern of stomata on the adaxial (A) and abaxial (B) leaf surface of winter wheat under different water conditions The 95% confidence envelope for complete spatial randomness is between the dark blue and brown dotted lines. Lhat (d) value is the nearest neighbor distance, and stomata would follow a regular distribution at the scale when the Lhat (d) value is lower than the 95% boundary. The minimum Lhat (d) value is smaller, the spatial distribution pattern of stomata is more regular.