高光对长茎芒毛苣苔生长叶片形态和光合特性的影响
毕业论文关键词： 长茎芒毛苣苔；光响应曲线；切片；观赏价值
The impact of light on Aeschynanthus longicaulis high growth, leaf morphology and photosynthetic characteristics
Abstract: Aeschynanthus longicaulis is Aeschynanthus Jack, Gesneriaceae in plants, Aeschynanthus longicaulis of beautiful color, rich leaf type leaf color change can be used as a beautiful potted flowers, with high ornamental value. However, due to the introduction of China Aeschynanthus longicaulis just in the market are not well promoted. The first experiment on Aeschynanthus longicaulis by cutting propagation studies and thus get a lot of the finished vaccine, re-use low light respectively Aeschynanthus longicaulis processing, and light response curve based on the measured, sliced observation, research Aeschynanthus longicaulis at high and low under physiological conditions and differences in lighting conditions. The results showed that, Aeschynanthus longicaulis after high light treatment, its compact plant, rich colors of leaves change in color is far superior long stems Mans hair cotinifolia under low light treatment, with higher ornamental.
KeyWords： Aeschynanthus longicaulis；Light response curve；sliced； Ornamental value
目录
1 绪论 1
1.1 苦苣苔科植物的分类和分布 1
1.2 苦苣苔的观赏价值 1
1.3 苦苣苔的应用研究现状 2
1.4 芒毛苣苔属和长茎芒毛苣苔研究进展 3
1.5 光照强度对植物生长的影响研究进展 3
2 材料与方法 4
2.1 研究材料 4
2.2 研究方法 5
2.2.1 光处理 5
2.2.2 生理数据测定 6
2.2.3 花青素含量测定 6
2.2.4 叶绿素含量测定 6
2.2.5 气孔密度的指甲油涂抹法 7
2.2.6 切片方法 7
3 结果与分析 8
3.1 光强对植物生长和叶片形态的影响 8
3.2 光强对叶片解剖结构的影响 9
3.3 光强对叶片色素含量的影响 10
3.4 光强对叶片光合作用的影响 11
4 结论与讨论 12
4.1 光照对植物生长和形态的影响 12
4.2 光照对叶片组织结构的影响 13
4.3 长茎芒毛苣苔经过高低光处理后叶色的变化探讨 13
4.4 光照对长茎芒毛苣苔光合特性的影响 14
致 谢 15
参考文献 16
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