Exogenous Nitric Oxide Enhances Root Activity, Decreases H_2O_2 Accumulation by Increasing Activities of CAT and GR in Root of Potato cv. Desiree under Water-stress

Xue-Qin He ； Dai Ma ； Mei-lian Meng

《Advance Journal of Food Science and Technology》 5卷2期 (2013/02) Pp. 148-152

https://doi.org/10.19026/ajfst.5.3235

摘要

We studied water content, H_2O_2 content, antioxidant enzymes activities of different organs and root activity in potato cv. Desiree pretreated with NO under water-stress. It was found that the bound water content in root and root activity was significantly increased by treating NO before water-stress. Pretreatment with NO decreased the H_2O_2 content and raised activities of CAT and GR significantly in roots under water-stress. The results suggested that NO might enhance the resistance to water-stress in potato.

關鍵字

Antioxidant enzymes ； H_2O_2 content ； NO ； potato ； water-stress