变黄期温湿度及持续时间对上部烟叶呼吸速率和化学成分的影响  

Effects of Temperature,Humidity,and Duration of Yellowing Stage on Respiration Rate and Chemistry of Upper Leaves

作　　者：张晓远[1] 毕庆文[2] 汪健[2] 王海明[2] 黎根[2] 刘国顺[1] 

机构地区：[1]河南农业大学国家烟草栽培生理生化研究基地,郑州市450002 [2]湖北中烟工业有限责任公司,武汉市430051

出　　处：《烟草科技》2009年第6期56-59,共4页Tobacco Science & Technology

基　　金：湖北省科技厅科技攻关项目“清江流域优质烟叶基地开发与工业利用研究”(2006AA201C73)

摘　　要：研究了变黄期温湿度及持续时间对上部烟叶呼吸速率及常规化学成分、中性致香物质含量的影响。结果表明:烘烤过程中,变黄期不同温湿度及持续时间处理的上部烟叶呼吸速率均呈现两个高峰,烘烤44 h时出现第一个高峰,64～68 h出现第二个高峰。变黄期干球温度40～42℃,湿球温度37.5℃,持续24 h的处理有利于烟叶保持较高的呼吸速率,烟叶内含物质转化充分,烤后烟叶淀粉含量降低,中性致香物质含量提高。The effects of the temperature, humidity and duration of yellowing stage during flue-curing on the respiration rate of and the contents of routine chemical components and neutral aromatic components in upper leaves were studied. The results showed that there were two peaks of respiration rates at different temperatures, humidities and durations, the first peak appeared at the 44th hour and the second appeared between the 64th and the 68th hour during curing. Continuous treatment for 24 hours at a dry bulb temperature of 40-42 ℃ and a wet bulb temperature of 37.5 ℃ was favorable for maintaining a high respiration rate, it promoted chemical transformations, the decrease of starch content and increase of neutral aromatic component contents in upper leaves.

关 键 词：变黄期 上部烟叶 呼吸速率 化学成分 中性致香物质 

分 类 号：S572.01[农业科学—烟草工业] TS441[农业科学—作物学]