![]() ![]() However, total leaf N was peaked at 1 mmol L -1 Suc, which was consistent with root activity, suggesting that exogenous Suc enhanced root N uptake. Suc application increased contents of leaf soluble sugar, reducing sugar and trerhalose, as well as isocitrate dehydrogenase (ICDH) activity, increasing supply of C-skeleton for N assimilation. In contrast, 10 mmol L -1 Suc retarded plant growth and increased contents of anthocyanin and MDA and activity of SOD in comparison to 0.5-5 mmol L -1 Suc. Suc application with the concentration of 0.5-5 mmol L -1 significantly promoted plant growth. effects of exogenous sucrose (Suc) concentrations (0, 0.5, 1, 5, 10 mmol L -1) on carbon (C) and nitrogen (N) metabolisms were investigated in a medicinal plant Andrographis paniculata (Chuanxinlian). 8 Guangxi Engineering Research Centre of TCM Intelligent Creation, Guangxi Botanical Garden of Medicinal Plants, Nanning, 530023, China. 7 Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, 530023, China. 6 Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China. 5 Guangxi Engineering Research Centre of TCM Intelligent Creation, Guangxi Botanical Garden of Medicinal Plants, Nanning, 530023, China. 4 Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, 530023, China.1 Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China. ![]()
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