Anatomic construction, density and relative opening degree of stomata, stoma conductivity, transpiration rate, and photosynthetic rate of pear leaves of both irrigated and dry land were tested.
比较测定了水、旱地梨树的叶片解剖构造、气孔分布密度与相对开张度、气孔传导率、蒸腾速率以及光合速率。
FA could decrease the opening degree of wheat stoma.
旱地龙可有效地缩小叶面气孔开度。
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