Exogenous abscisic acid increases antioxidant enzymes and related gene expression in pepper (Capsicum annuum) leaves subjected to chilling stress.

@article{Guo2012ExogenousAA,
  title={Exogenous abscisic acid increases antioxidant enzymes and related gene expression in pepper (Capsicum annuum) leaves subjected to chilling stress.},
  author={W. L. Guo and Ruixu Chen and Zheng Hua Gong and Yongxiang Yin and Syed Suhail Ahmed and Yong He},
  journal={Genetics and molecular research : GMR},
  year={2012},
  volume={11 4},
  pages={4063-80}
}
To elucidate how physiological and biochemical mechanisms of chilling stress are regulated by abscisic acid (ABA) pretreatment, pepper variety (cv. 'P70') seedlings were pretreated with 0.57 mM ABA for 72 h and then subjected to chilling stress at 10°/6°C (day/night). Chilling stress caused severe necrotic lesions on the leaves and increased malondialdehyde and H(2)O(2) levels. Activities of monodehydroascorbate reductase (DHAR), dehydroascorbate reductase, glutathione reductase, guaiacol… CONTINUE READING
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