-
摘要：茶梅是山茶科山茶属的常绿灌木。许多人在报告中分析茶梅的抗寒性，但对茶梅抗旱性的研究尚少。因此，本论文选择茶梅作为对象，研究其抗旱特性。实验主要通过应用物理测量及化学测试的研究手段，大致地掌握茶梅的生长和生理生化指标。就植物叶面积、失水速率、相对含水量、质膜相对透性、可溶性糖含量等几方面进行研究分析，了解干旱对茶梅的影响及其适应环境的能力。通过在不同湿度、不同季节环境下的不同水分或含糖量变化，了解茶梅的失水和保水力，从而探究其抗旱力。不同时间及湿度条件下失水实验的结果表明，茶梅具有通过适应环境变化及自我调节增加抗旱的能力。与金边黄杨、枸骨、海桐等植物相比较，茶梅的抗旱性明显比金边黄杨强，但略逊于枸骨、海桐。因此，在茶梅抗旱性方面，尚需努力培育新的优良品种。5272
- 上一篇：越南青冈和毛叶青冈苗期生长和生理特性比较
- 下一篇：薰衣草精油微乳液的制备及抑菌研究
关键字： 茶梅，抗旱性，失水
Study on Drought Resistance Status of Camellia Sasanqua
Abstract: Camellia sasanqua, an evergreen shrub, belongs to Theaceae. Cold resistance of Camellia sasanqua was analyzed in several experiments; however, there is little research on drought resistance. Therefore, drought resistance of Camellia sasanqua was studied here. To understand growth, physiological and biochemical status of Camellia sasanqua palnts, the methods of physics and chemical measurement was applied here. Analysis on leaf area, dehydrating rate, relative water content, relative membrane permeability and soluble sugar content of Camellia sasanqua plants was performed to understand the effect of drought on Camellia sasanqua and the ability to adapt to the environment. The water lose experiment performed in different time and humid conditions showed that Camellia sasanqua has the ability to enhance drought resistance via adapting to the environment and self regulation. The drought resistance of Camellia sasanqua is stronger than that of Euonymus Japonicas cv.Aureo-ma and weaker than that of Horny Holly as well as Pittosporum. Hence in the aspect of drought desistance of Camellia sasanqua, it is necessary to cultivate better variety.
Keywords: Camellia sasanqua; drought resistance; water loss
目录
摘要 i
Abstract i
目录 ii
1 绪论 1
1.1 课题背景 1
1.1.1 山茶属物种背景 1
1.1.2 茶梅背景 1
1.2 实验项目相关介绍 2
1.2.1 叶面积 3
1.2.2 离体叶片失水速率 3
1.2.3 相对含水量 3
1.2.4 质膜相对透性 3
1.2.5 可溶性糖含量 4
1.3 本课题实验的目的与意义 4
2 实验设计 5
2.1 叶面积测定 5
2.1.1 实验材料 5
2.1.2 实验仪器与设备 5
2.1.3 实验方法 5
2.1.4 实验方法 5
2.2 失水速率测定 5
2.2.1 实验材料 5
2.2.2 实验仪器与设备 5
2.2.3 实验方法 5
2.2.4 实验条件 5
2.3 相对含水量测定 5
2.3.1 实验材料 5