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- Title
The adjustment of salicylic acid on stomatal aperture of Spinacia oleracea L leaf epidermis under salt stress.
- Authors
CHEN Guan-nan; LIU Jin-xiang; CAO Yu; WANG Hong-xing
- Abstract
Spinacia oleracea L was used as materials to study the effect of salicylic acid (SA) with different concentrations on stomatal aperture of spinach leaf epidermis in the condition of salt stress. Epidermis stomatal morphology, stomatal aperture and soluble sugar content were characterized and tested by scanning electron microscope (SEM), ordinary optical microscope and an throne method. Results presented that with the increase of SA concentration, leaf epidermis stomatal morphology by slender line gradually became oval; the leaf epidermis stomatal aperture gradually increased, when the SA concentration was 200 mg/L, the stomatal aperture achieved maximum; leaf soluble sugar content presented the trend of increase firstly, then lower, when SA concentration was 150 mg/L, soluble sugar content achieved maximum, and the content increased by 28. 9% than that under salt stress. The addition of SA could adjust the stomatal morphology and stomatal aperture of spinach leaf epidermis, and enhance its photosynthetic efficiency and osmotic regulation effect, thus improve the salt resistance of spinach.
- Subjects
SALICYLIC acid; SPINACIA; SALT; STOMATA; LEAF anatomy; PHOTOSYNTHESIS
- Publication
Journal of Zhengzhou University of Light Industry, Natural Science Edition, 2014, Vol 29, Issue 6, p33
- ISSN
2095-476X
- Publication type
Article
- DOI
10.3969/j.issn.2095-476X.2014.06.009