处理对青钱柳幼苗叶气孔形态、发育特征和保水能力的影响。
The stoma morphology, leaf development characteristics and leaf water-holding ability of Cylocarya paliurus seedlings from three provenances were investigated after salt treatments.
因此，下部叶气孔密度和气孔导度可以作为抗病育种的选择指标。
Therefore, it is proposed that stoma density and stomatal conductance of the lower leaves on tobacco plant be used as a selection marker for disease-resistance breeding.
菖蒲属叶上下表皮特征基本一致，细胞形状为长方形或近菱形，气孔器平列型，成纵行与叶脉平行排列；
In Acorus both upper and lower epidermis cells are rectangle or rhombus, and the stomata apparatus are paracytic and arrange in rows along the veins.
在植物不同的器官中，叶表面的气孔分布特征可以作为植物分类的佐证。
In the plant organs, the stomatic distribution characteristics of leaf epidermis may be taken as an evidence of plant classification.
通过不同程度的水分胁迫对欧李叶水势、气孔导度、蒸腾速率和光合速率日变化影响的研究。
This paper was carried out to study the effect of water stress on the diurnal change of photosynthetic rate of Chinese dwarf cherry.
尽管北美短叶松的气孔对轻度干旱胁迫不如黑云杉敏感，但是它对中度及严重干旱胁迫的敏感程度却高于黑云杉。
Despite less sensitive to mild drought stress in jack pine than in black spruce, stomata was more sensitive to moderate and severe stress in jack pine than in black spruce.
对照植株幼叶、功能叶和老叶的光合诱导速率相差不大，幼叶和功能叶光合诱导后期受气孔限制的影响。
The photosynthetic induction rates were similar in the different age leaves of the control plants, and there was stomatal limitation in the late stage of in.
结果表明：不同品种气孔大小差异很大，同一叶片上气孔大小也不相同；
It showed that there were obvionsdifferences in stoma size among the exmined plant materials and amongstomata on one leaf.
研究表明，叶水势、气孔阻力、蒸腾强度和离体叶片失水速率品种间均存在明显差异。
It was revealed that significant differences in leaf water potential, stomatal resistance, transpiration rate, and rate of water loss of excised-leaves existed among genotypes.
光学显微镜下观察了菖蒲属2种和天南星科花烛属、麒麟叶属、龟背竹属、广东万年青属、花叶万年青属5个较原始属的5种植物的叶表皮细胞及气孔器的特征。
Characteristics of leaf epidermis cells and stomata apparatus of 2 species in genus Acorus and 5 species belonging to 5 genera in Araceae were observed under the light microscope.
叶长宽比、P/S的比值、表皮厚度与气孔器密度无明显差异。
There was no significant difference in LL/LW, P/S, epidermal thickness and stomatal density along the elevation gradient.
在四种作物的抽穗期同时测定其气孔扩散阻力、蒸腾速率与叶水势日变化。
The resistance of stomatic diffusion, evapotranspiration rate and daily progress of water potential in leaves of the four kinds of crops were determined at the same time in their heading stages.
植物叶表面的气孔保卫细胞是研究信号转导的模式实验系统，对环境变化反应灵敏而准确。
Stomatal guard cells, with sensitive and accurate responses to environmental changes, are model experimental system to study signal transduction.
叶部表皮的表皮毛和气孔器明显增多、叶肉细胞排列较对照结构疏松且细胞间隙大。
Additionally, the Numbers of stomata and trichomes on the leaf lower-surface increased, and mesophyll cells were looser arranged and its intercellular space was larger.
同一叶片其下表皮气孔密度大于上表皮，试管苗与土培苗两者叶片下表皮气孔密度差异不显著。
Stomata densities of same type leaf under epidermal are higher than upper epidermal, but were not significantly different between test-tube seedling and land seedling.
结果表明，随着叶龄的增大，施药后鸭跖草叶中丙二醛（MDA）含量变化量下降，而叶绿素含量、光合速率及气孔导度恢复越快。
The content of leaf MDA decreased, but chlorophyll content, photosynthesis rate and stomatal conductance recovered rapidly with leaf stages after imazethapyr spray.
红叶桃和紫叶李与绿叶品种的水分利用效率、气孔导度和蒸腾速率日变化趋势均相近；
The diurnal variation of WUE, Gs and Trwas similar between color-leafed and opposite green-leafed varieties from spring to autumn;
测定出叶片表皮细胞、角质层和厚角组织厚度，表皮毛、气孔器和叶内组织的类型、大小等；
Ascertaining by measuring the blade, cuticle cell, cuticle and collenchyma's thickness. The type and the size of epidermis cell, epidermis hair, stomata apparatus and inside blade tissue;
统计并测量叶表皮气孔大小、气孔密度及气孔指数。
The stomatal size , density and index were measured and counted .
统计并测量叶表皮气孔大小、气孔密度及气孔指数。
The stomatal size , density and index were measured and counted .
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