The Physiological and Biochemical Processes Effect and the Toxicity Mechanism of Celery under Cadmium and Clethodim Stresse

doi:10.14088/j.cnki.issn0439-8114.2018.16.009

Abstract

Abstract: Through pot experiment, an evaluation of the single and combined stress effects of the cadmium and clethodim on the physiological and biochemical process of celery were made. Meanwhile the study explored the interaction between the two combined pollution. The experiment determines the enzyme activities of SOD, POD, CAT, GSH and the content of MDA, proline, total phenols and cadmium content. The results showed that the combined pollution of clethodim and cadmium had more damage to celery, compared to the single factor treatment. The enzymes hurted was one of toxic mechanism of clethodim and cadmium, celery showed the increase of total phenols, proline and GSH, which could alleviate the oxidative damage and decrease the content of MDA. There was a certain antagonism between clethodim and cadmium, Clethodim had certain inhibitory effect on the enrichment of cadmium in celery, when the concentration of cadmium was 0.7 mg/kg, the inhibitory effect was obvious.

Key words: clethodim, cadmium, celery, enzymatic activity, combined pollution

CLC Number:

S636.3
X173

HUANG Si-da, GUO Liu-yang, WU Yan-li, HUANG Ying, SHENG Hui-shan, CUI Xin-yi. The Physiological and Biochemical Processes Effect and the Toxicity Mechanism of Celery under Cadmium and Clethodim Stresse[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(16): 37-41.

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