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Title of Journal: Biol Plant

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Abbravation: Biologia Plantarum

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Springer Netherlands

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DOI

10.1016/0005-2736(84)90225-6

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ISSN

1573-8264

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Protection of photosynthesis and antioxidative sys

Authors: X X Wu J He Z W Zhu S J Yang D S Zha
Publish Date: 2013/10/25
Volume: 58, Issue: 1, Pages: 185-188
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Abstract

This study was carried out to understand the mechanism of protection of plants under cold stress by exogenous 24epibrassinolide EBR The eggplant Solanum melongena L seedlings were pretreated with five concentrations of EBR 0 005 01 02 and 04 °M and then exposed to day/night temperatures of 10/5 °C for 8 d The results show that EBR especially 01 °M EBR dramatically alleviated growth suppression and a decrease in chlorophyll content and photosynthetic rate caused by the cold stress In addition EBR also decreased malondialdehyde content and O2 ·− production rate induced by the cold stress and increased the activities of superoxide dismutase guaiacol peroxidase catalase and ascorbate peroxidase and proline content The results of the present study suggest that exogenous EBR could improve cold tolerance of eggplant by regulating photosynthesis and antioxidative systems

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