PAN Jing,CAO Bing,WAN Zhong-wu.Relationship Between SPAD Value and Chlorophyll Content in Leaves of Two Fruit Tree Species[J].Northern Horticulture,2012,36(05):9-12.
两种果树叶片SPAD值与叶绿素含量相关性分析
- Title:
- Relationship Between SPAD Value and Chlorophyll Content in Leaves of Two Fruit Tree Species
- 文章编号:
- 1001-0009(2012)05-0009-04
- Keywords:
- fruit trees; SPAD value; chlorophyll content; correlation; regression equation
- 分类号:
- Q 944.56
- 文献标志码:
- A
- 摘要:
- 为探究杏、枣树叶片SPAD值与叶绿素含量的相关性，采用SPAD-502叶绿素计与分光光度法分别测定“金太阳”杏与“灵武”长枣叶片的SPAD值、叶绿素含量，分析其相关性，建立拟合方程，并进行检验。结果表明：“金太阳”杏、“灵武”长枣的叶片SPAD值与叶绿素a、叶绿素b、总叶绿素含量间的相关性极显著；“金太阳”杏叶片总叶绿素含量与SPAD值的回归方程为:y=0.0576SPAD-0.4648(R2=0.849**)，“灵武”长枣叶片总叶绿素含量与SPAD值的回归方程为y=0.0859SPAD-0.7461(R2=0.8923**)。“金太阳”杏与“灵武”长枣叶片叶绿素含量的实测值与回归方程预测值间均无显著差异。采用回归方程，通过SPAD值可以预测“金太阳”、“灵武”长枣叶片的叶绿素含量。
- Abstract:
- In order to study the relationship between SPAD readings and chlorophyll content in leaves of apricot and jujube，chlorophyll content of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube was measured by means of spectrophotometer and chlorophyll meter SPAD-502 respectively，then the correlation between SPAD readings chlorophyll contents were analyzed.The results showed that correlation between SPAD readings and chlorophyll content in leaves of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube were significant at 0.01 level respectively，the ‘Golden Sun’ apricot regression equation was y=0.0576SPAD-0.4648(R2=0.849**)，and the ‘Lingwu’ long jujube regression equation was y=0.0859SPAD-0.7461(R2=0.8923**).There was no significant difference between the dates and forecast data of leaves of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube.So the regression equation could be used to forecast chlorophyll content of ‘Golden Sun’ apricot and ‘Lingwu’ long jujube by SPAD reading.
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备注/Memo
第一作者简介：潘静（1988-），女，在读硕士，现主要从事果树生理生态与高效栽培方面的研究工作。
责任作者：曹兵（1970-），男，博士，教授，现主要从事旱区森林培育及经济林栽培生理教学与研究工作。E-mail:bingcao2006@126.com。
基金项目：宁夏科技攻关国际合作资助项目；宁夏留学回国人员创新创业资助项目。
收稿日期：2011-12-22