高浓度二氧化碳对百合生长和两种化感物质的影响

应用生态学报 ›› 2005, Vol. 16 ›› Issue (1): 111-114.

高浓度二氧化碳对百合生长和两种化感物质的影响

魏胜林

1. 安徽农业大学园艺系, 合肥, 230036;
2. 中国科学院等离子体物理研究所, 合肥, 230031

收稿日期:2004-02-04 修回日期:2004-06-16 出版日期:2005-01-15 发布日期:2005-01-15
通讯作者: 魏胜林,男,1958年生,教授,在职博士,主要从事观赏植物栽培生理生态学研究,发表论文20余篇.Tel:0551-5591382
基金资助:
安徽省"九五"科技攻关资助项目(9911001).

Effects of high concentration CO₂ on lily growth and its two allelochemicals

WEI Shenglin

1. Department of Horticulture, Anhui Agricultural University, Hefei 230036, China;
2. Key Laboratory of Ion Bioengineering Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China

Received:2004-02-04 Revised:2004-06-16 Online:2005-01-15 Published:2005-01-15

摘要/Abstract

摘要： 在大棚栽培条件下,研究不同CO₂浓度(600、800、1000 μmol·mol^-1)对亚洲型黄花多头切花百合的影响.结果表明,CO₂浓度为600μmol·mol^-1时,切花百合维持较高的Pn,在CO₂浓度为600～1000μmol·mol^-1时并持续45d,百合并未出现明显的光合作用下调,这与新生子球对高CO₂浓度下的百合光合适应性具有一定调节能力有关.CO₂浓度为600μmol·mol^-1时,能提高百合切花0.57个茎高等级,对显色花蕾增长有正效应.不同CO₂浓度对百合叶片中的多酚类和类黄酮含量影响不同,CO₂浓度为600和800μmol·mol^-1时,能明显提高多酚类和类黄酮含量,植株也未出现叶枯病病株,这与适宜的高CO₂浓度对Pn及碳水化合物的形成和转化以及化感物质与提高百合自身抗病性有关.在试验浓度范围内,CO₂浓度为600μmol·mol^-1时最有利于百合叶片多酚类和类黄酮含量的提高.

关键词: CO₂, 大棚, 百合, 化感物质

Abstract: Under greenhouse condition,this paper studied the effects of different concentrations CO₂ to the growth of oriental yellow poly-bud cut lily and to the two allelochemicals in lily leaves.The results showed that the optimum CO₂ concentration for Pn was 600 μmol·mol^-1.There was less impact on photosynthesis when continually supplying 600～1 000 μmol·mol^-1 CO₂ for 45 days,probably due to the photosynthesis adaptability of new bulblets.600 μmol·mol^-1 CO₂ could increase the stem height about 0.57 grades,and also had a positive effect on the growth of color bud.600 μmol·mol^-1 and 800 μmol·mol^-1 CO₂ could markedly increase the contents of polyphenols and flavonoids in lily leaves,and there was no plant leaves withered,because the appropriate concentrations CO₂ was beneficial to the Pn and to the formation and transformation of carbohydrates and allelochemicals,which increased the premunition of the plant.The contents of polyphenols and flavonoids in lily leaves reached the maximum when the concentration of CO₂ was 600 μmol·mol^-1.

Key words: CO₂, Greenhouse, Lily, Allelochemical

中图分类号:

S688.2

魏胜林. 高浓度二氧化碳对百合生长和两种化感物质的影响[J]. 应用生态学报, 2005, 16(1): 111-114.

WEI Shenglin. Effects of high concentration CO₂ on lily growth and its two allelochemicals [J]. Chinese Journal of Applied Ecology, 2005, 16(1): 111-114.

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