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当前位置: 首页 > 文章 > 土壤C/N比对烤烟碳氮代谢关键酶活性和烟叶品质影响的研究 中国烟草学报 2011,17 (3) 32-36
Position: Home > Articles > Effect of Soil C/N ratio on Activity of Key Enzymes involved in Carbon and Nitrogen Metabolism and Quality of Flue-cured Tobacco Leaves Acta Tabacaria Sinica 2011,17 (3) 32-36

土壤C/N比对烤烟碳氮代谢关键酶活性和烟叶品质影响的研究

作  者：
李雪利;叶协锋;顾建国;李彦涛;马静思
单  位：
郏县烟草公司;河南农业大学国家烟草栽培生理生化研究基地;洛阳卷烟厂;河南省烟草公司
关键词：
烤烟;土壤碳氮比;碳氮代谢
摘  要：
2009年采用盆栽试验,在河南农业大学科教园区通过添加腐熟的小麦秸秆来调节土壤的碳氮比,进而研究土壤碳氮比对烤烟碳氮代谢关键酶活性和烟叶品质的影响。结果表明:随着土壤碳氮比的增加,硝酸还原酶、转化酶和淀粉酶的活性逐渐增加,烤后烟叶总糖和还原糖的含量、中性香气物质的总量、还原糖/烟碱有不同程度的增加,烟碱、总氮含量以及氮碱比逐渐减少。土壤碳氮比在24~28之间时,有利于促进烤烟碳氮代谢平衡,协调烤后烟叶化学成分。
译  名：
Effect of Soil C/N ratio on Activity of Key Enzymes involved in Carbon and Nitrogen Metabolism and Quality of Flue-cured Tobacco Leaves
作  者：
LI Xue-li1,YE Xie-feng1,GU Jian-guo2,LI Yan-tao3,MA Jing-si1, LIU Guo-shun11 National Tobacco Physiology & Biochemistry Research Centre,Tobacco College of Henan Agricultural University,Zhengzhou 450002,China;2 Henan Pingdingshan Municipal Tobacco Company,Pingdingshan 467000,China;3 Jiaxian Branch of Henan Pingdingshan Municipal Tobacco Company,Henan Jiaxian 467100,China
关键词：
flue-cured tobacco,soil C/N ratio,carbon and nitrogen metabolism
摘  要：
Research was conducted to study effect of soil C/N ratio on activity of key enzymes involved in carbon and nitrogen metabolism and hence quality of flue-cured tobacco leaves by adjusting soil C/N ratio with wheat stalk.Pot experiments were carried out in the farm of Henan Agricultural University in 2009.Results showed that activity of nitrate reductase,invertase and amylase were increased with increasing soil C/N ratio.Contents of total sugar,reducing sugar,total neutral aroma components and ratio of reducing sugar and nicotine were also increased.However,contents of nicotine,total nitrogen and ratio of total nitrogen and nicotine of cured leaves showed decreasing with increasing of soil C/N ratio.The value of soil C/N ratio in the range of 24-28 would be favorable for balanced carbon and nitrogen metabolism and hence lead to more harmonious chemical components in flue-cured tobacco.

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