Physiological characteristics and adaptability of four medicinal plants in karst environment

doi:10.14088/j.cnki.issn0439-8114.2020.09.015

Abstract

Abstract: Four medicinal plant species Semiliquidambar cathayensis, Callicarpa nudiflora, Stephania kwangsiensis and Sophora tonkinensis were collected from Napo county, Guangxi province. The diurnal variation of photosynthesis was measured by Li-6400 photosynthetic system, and combined with the determination of chlorophyll content, carbonic anhydrase activity of leaves and stable carbon isotope composition, the adaptability of four plants in Karst habitat of Napo county, Guangxi was analyzed. The results showed that S. Cathayensis and C. nudiflora had better light utilization ability, and their daily average LUE value was S. cathayensis（1.77%） > C. nudiflora（1.65%）. And the optical compensation points of S. cathayensis and C. nudiflora were low. The chlorophyll content and carbonic anhydrase activity of S. kwangsiensis leaves were （3.13±0.20） mg/g and （8 290.00±41.50） WAU/gFW. The activity of carbonic anhydrase in leaves of S. kwangsiensis was higher, which indicated that it had better carbon fixation ability. From July to December, the plant height of S. tonkinensis and C. nudiflora increased by 79 and 36 cm respectively, and the plant grew vigorously. The δ¹³C size of plant leaves is S. cathayensis （-26.684±0.781）‰ > S. kwangsiensis （-27.407±0.078）‰, which was higher than the average value of C₃ plants in karst area. It showed that S. cathayensis and S. kwangsiensis had strong drought resistance ability. The comprehensive analysis showed that the four plants had different adaptation mechanisms to the arid environment in the southwest of Guangxi karst area, showing good adaptability.

Key words: karst environment, medicinal plant, photosynthetic physiological characteristics, carbonic anhydrase, stable carbon isotope

CLC Number:

S567

HAO Jun-xiao, JIN Wen-ge, LI Liang-bo, HUANG Rong-shao, TANG Hui, GAN Feng-qiong. Physiological characteristics and adaptability of four medicinal plants in karst environment[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(9): 77-82.

References

[1] 卢耀如. 中国喀斯特地貌的演化模式[J]. 地理研究,1986(4):25-35.
[2] 赵玉瑶. 广西喀斯特地区扶贫开发[J]. 农村经济与科技,2019, 30(2):207,210.
[3] 吴沿友. 喀斯特适生植物固碳增汇策略[J]. 中国岩溶,2011, 30(4):461-465.
[4] 欧阳静. 中国药用植物资源可持续发展的路径选择[D]. 乌鲁木齐:新疆大学,2006.
[5] 杨武亮,姚振生. 半枫荷类药用植物的种类资源[J]. 中国野生植物资源,1996,15(2):20-21,46.
[6] 赵厚,宋培浪,韩国营,等. 国家Ⅱ级保护植物半枫荷的最新研究进展[J]. 北方园艺,2010,34(21):210-212.
[7] 谢石杨,姚凯霖,吴先基,等. 半枫荷药学研究概况[J]. 福建林业科技,2018,45(4):127-132.
[8] 刘小芬,李顺祥. 裸花紫珠研究进展[J]. 中南药学,2015,13(4):396-402.
[9] 广西壮族自治区卫生厅. 广西中药材标准(第二册)[M]. 南宁:广西科技出版社,1996.153-157.
[10] 蒋运生,柴胜丰,唐辉,等. 光照强度对广西地不容光合特性和生长的影响[J]. 广西植物,2009,29(6):792-796,723.
[11] 陈影,陈两绵,仝燕,等. 山豆根药理毒理研究进展[J]. 中国中药杂志,2017,42(13):2439-2442.
[12] 刘再华. 碳酸酐酶对碳酸盐岩溶解的催化作用及其在大气CO₂沉降中的意义[J]. 地球学报,2001,22(5):477-480.
[13] 杨成,刘丛强,宋照亮. 喀斯特山区植物碳同位素组成特征及其对水分利用效率的指示——以贵州花溪杨中小流域为例[J]. 中国岩溶,2007,26(2):105-110.
[14] PRADO C H B A,MORAES J. Photosynthetic capacity and specific leaf mass in twenty woody species of Cerrado vegetation under field condition[J]. Photosynthetica,1997, 33:103-112.
[15] 蒋冬月,钱永强,费英杰,等. 柳属植物光合-光响应曲线模型拟合[J]. 核农学报,2015,29(1):169-177.
[16] 张中峰,黄玉清,莫凌,等. 岩溶植物光合-光响应曲线的两种拟合模型比较[J]. 植物科学学报,2009,27(3):340-344.
[17] 郭敏亮,高煜珠,王忠. 用酸度计测定植物碳酸酐酶活性[J]. 植物生理学通讯,1988,38(6):59-61.
[18] 吴楠,刘海,罗充,等. 接骨木和贵州金丝桃生理生态特性与喀斯特环境适生性比较[J]. 湖北农业科学,2015,54(8):1892-1896,1902.
[19] 李合生,孙群,赵世杰. 植物生理生化实验技术原理[M]. 北京:高等教育出版社,2000.248-250.
[20] 杨伟才,毛晓敏. 气孔导度对环境因素响应及模型研究进展[J]. 中国农村水利水电,2017,59(3):52-55.
[21] 巨关升,武菊英,赵军锋,等. 观赏狼尾草光合特性的研究[J]. 核农学报,2005,19(6):451-455.
[22] 曾宪东,余龙江,李为,等. 西南岩溶地区黄荆叶片碳酸酐酶的稳定性[J]. 植物学通报,2005,22(2):169-174.
[23] 李强,何媛媛,曹建华,等. 植物碳酸酐酶对岩溶作用的影响及其生态效应[J]. 生态环境学报,2011,20(12):1867-1871.
[24] 郭敏亮,高煜珠. 碳酸酐酶对CO₂液相扩散的影响及其与C₃植物光合作用的关系[J]. 植物生理学通讯,1992,28(3):223-225.
[25] 庞冬辉,沈利娜,蒋忠诚,等. 广西弄拉峰丛洼地灌丛岩生优势种光合生理生态特征日变化研究[J]. 中国岩溶,2010,29(3):293-300.
[26] 杨期和,陈昆平,杨和生,等. 南亚热带3种幼树的光合生理生态特性[J]. 福建林业科技,2016,43(2):1-7, 61.
[27] 许文强,陈曦,罗格平,等. 基于稳定同位素技术的土壤碳循环研究进展[J]. 干旱区地理,2014,37(5):980-987.
[28] 黄甫昭,李冬兴,王斌,等. 喀斯特季节性雨林植物叶片碳同位素组成及水分利用效率[J]. 应用生态学报,2019,30(6):1833-1839.