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Abstract

Environmental Analysis & Ecology Studies

Effect of Three Cultivars Succulent Plants Leaves Coloring Under Continuous Stress

Submission: March 08, 2019; Published: April 01, 2019

DOI: 10.31031/EAES.2019.05.000611

ISSN: 2578-0336
Volume5 Issue3

Abstract

The succulent color of the succulents is often loved, and the economic value is high. However, due to seasonal factors, cultivation techniques and other factors, the colorful succulents in the market are rare, cause the viewing effect is not good, and the economic value is low. Therefore, this experiment studied the effects of three stresses of acid, alkali, water and salt on the leaf coloration of three succulents, and it has important theoretical guidance and practical significance for the cultivation and management of succulents. The results showed that under the stress, the a* value, anthocyanin content, antioxidant enzymes (SOD, POD, CAT) activities of the three succulents increased with stress and the prolongation of stress time, while the chlorophyll content is reduced. When three succulents were subjected to stress, antioxidant enzymes acted as free radicals, and their activity increased sharply on the 5th day of treatment. Anthocyanins were synthesized in large quantities on the 10th day as antioxidants to scavenge free radicals in the body. On the 15th day, it is expressed in the coloration of the leaves, the leaf hue a* rises rapidly, and the leaves red deepens. In general, in a certain range, strong acid and alkali can promote the leaf coloration of sedum succulents.

Keywords: Stress coloring; Physicochemical properties

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