| 二氧化钛喷施剂在不同光照强度下对离体烟叶SPAD值的影响 |
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| 引用本文： | 邓杰,戴林建,苏招红,杨苏,周田. 二氧化钛喷施剂在不同光照强度下对离体烟叶SPAD值的影响[J]. 农业科学与技术, 2017, 18(3) |
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| 作者姓名： | 邓杰 戴林建 苏招红 杨苏 周田 |
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| 作者单位： | 1. 湖南农业大学农学院,湖南长沙,410128;2. 湖南农业大学理学院,湖南 长沙,410128 |
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| 基金项目： | 湖南中烟工业有限责任公司资助项目(YC14014).Supported by the Project of China Tobacco Hunan Industrial Co. |
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| 摘 要： | 采用室内试验方法,将成熟期离体烤烟上部叶置于不同光照强度的人工气候箱中,在相同的温湿度下对烟叶喷施不同的试剂处理,使用SPAD-502仪对烟叶每个时间点的相对叶绿素含量进行测定.结果表明:在相同的光照强度下,0.45g/L的二氧化钛复合氧化石墨烯喷施处理在72h内能保持较高的相对叶绿素含量;而同一喷施处理下,光照强度的增加会加快烟叶中叶绿素的降解进程.
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| 关 键 词： | 二氧化钛 光 烤烟 SPAD |
Effects of TiO2 Spraying Agent on SPAD of Tobacco in Vitro under Different Light Intensity |
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| Jie DENG,Linjian DAI,Zhaohong SU,Su YANG,Tian ZHOU. Effects of TiO2 Spraying Agent on SPAD of Tobacco in Vitro under Different Light Intensity[J]. Agricultural Science ＆ Technology, 2017, 18(3) |
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| Authors: | Jie DENG Linjian DAI Zhaohong SU Su YANG Tian ZHOU |
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| Abstract: | With laboratory experiments,the upper leaves of mature flue-cured tobacco were placed in climatic cabinate under different light intensity for treatments of spraying different agents under the same temperature and relative humidity conditions,and SPAD-502 was used to determine the SPAD of tobacco leaves in each time points.The experimental result indicated that under the same light intensity,0.5 g/L TiO2/graphene oxide composites had a higher SPAD in 72 h,and the increase of light intensity could speed up degradations of chlorophyll under the same spraying treatment. |
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| Keywords: | TiO2 light flue-cured tobacco SPAD |
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