Effect of Salicylic Acid on Chlorophyll Fluorescence Parameters in Wheat Under Cadmium Stress

doi:10.13560/j.cnki.biotech.bull.1985.2016-1188

Abstract

Abstract: The effect of salicylic acid on chlorophyll fluorescence parameters in wheat（Xinmai 18）under cadmium stress was analyzed by using chlorophyll fluorescence technique. The results showed that under cadmium stress，cadmium content in wheat root decreased significantly. Moreover，root length，chlorophyll content，chlorophyll fluorescence parameters Fv/Fm，φPSⅡ，qP and qN through salicylic acid（SA）pretreatment were significantly less than CK. It was concluded that salicylic acid inhibited the cadmium into the root of wheat，resulting in higher photosynthetic efficiency. The above results revealed that salicylic acid pretreatment significantly increased the wheat’s tolerance to cadmium.

Key words: wheat, salicylic acid, cadmium treatment, chlorophyll fluorescence parameters

WANG Rui-bo. Effect of Salicylic Acid on Chlorophyll Fluorescence Parameters in Wheat Under Cadmium Stress[J]. Biotechnology Bulletin, 2017, 33(7): 96-99.

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