water stoma

1. An adaptive feature of plant to reduce water loss; the stoma is enclosed in crypts on the lower epidermis.
   植物为减少水分散失的一个适应特征，气孔位于下表皮凹入的位置。
2. The leaf of almond under no water condition was regulated by stoma and transpiration rate and affected by photon flux density.
   以'新9号'扁桃为试材，对其主要光合特性及其影响因子进行了研究，结果表明，旱作扁桃的光合作用受叶片内部气孔阻力和蒸腾速率及外部光量子通量密度等因子的影响。
3. Mesic plants limited water loss from transpiration by increasing their stoma resistance, while xeric plants decreased water loss by keeping the high concentration of cell protoplasm. The latter had a higher efficiency of keeping water than the former.
   中生植物主要是通过增加气孔阻力限制蒸腾失水，而旱生植物则依靠高浓度的细胞原生质减少水分的散失，后者保水效率远高于前者。
4. With the water stress, stoma open rate declined, and the stoma of Kidney bean was more susceptible than the Capsicum's.
   气孔开放率随着土壤含水量的降低而降低，且菜豆气孔对干旱逆境敏感性大于辣椒；
5. The soil water stress leads to the increase in stoma density.
   水分胁迫使气孔密度增加；
6. Effects of different water moisture on photosynthesis, transpiration and stoma conductance of potted mango seedlings
   不同土壤水分含量对杧果盆栽幼苗光合作用、蒸腾和气孔导度的影响
7. The leaf water content and stoma resistance was decreased from mesic to xeric plants, while the net photosynthetic rate per unit leaf was increased, indicating the difference of physiological characteristics among different ecotype plants.
   植物从中生种到旱生种，生理特性亦显示出规律性的种间差异，叶片含水量和气孔阻力水平降低，而单位叶面积的净光合速率增加。
8. This paper outlines the harms to rice caused by water stress and the advances of physiology and biochemistry mechanism of rice drought resistance on stoma adjustment, osmotic adjustment, hormone adjustment, membrane protective enzymes and drought-induced protein.
   综述了水分胁迫对水稻的伤害以及水稻植株在气孔调节、渗透调节、激素调节、膜抗氧化保护酶类和干旱诱导蛋白等方面抗旱性生理生化机制的研究进展。
9. Different water supply levels significantly affected stoma apparatus length and width.
   不同施水量对幼苗的气孔器密度和大小也有显著影响。
10. Studies on the responses of photosynthesis, leaf water content and stoma resistance of 4 different ecotype plants to water stresses showed that their mechanism of drought resistance was different.
    比较研究了4种不同水分生态型植物在不同水分胁迫下的光合作用、叶片含水量和气孔阻力等生理指标的反应.结果表明，不同水分生态型植物抵御干旱的机制是不同的。
11. Wheatgrass could reduce water dissipation by shutting up stoma and let some leaves wither.
    冰草植株在干旱条件下关闭气孔，以减少水分散失，叶片萎蔫，以减少蒸腾面积。
12. When soil water potential varies between-0.01MPa and-0.1 MPa, evapotranspiration is mainly affected by meteorological factors and regulated by leaf stoma.
    土壤水分条件在水势为-0.01&-0.1MPa时，春小麦蒸发蒸腾受气象条件影响和小麦叶片气孔调节的作用较大；
13. So it is a good way to increase the water efficiency in plants and save irrigation water through adjusting stoma open or reducing transpiration water consumption.
    因此，通过气孔调节降低蒸腾耗水量是提高作物水分利用效率、节约灌溉用水的一个重要途径。

noun

1. a pore that exudes water on the surface or margin of a leaf of higher plants

   Synonym:    hydathodewater pore