干旱区生态环境知识资源中心(Arid): 乌兰布和沙区比拉底白刺(Nitraria billardieri)的气体交换参数及抗旱生理特性

Arid

	乌兰布和沙区比拉底白刺(Nitraria billardieri)的气体交换参数及抗旱生理特性
其他题名	Gas Exchange and Drought-resistant Physiological Characteristics of Nitraria billardier Provenances in Ulan Buh Desert
	徐军; 陈海玲; 郝玉光; 董礼隆; 段娜; 李帅; 马迎宾; 段瑞兵; 刘禹廷
来源期刊	中国沙漠
ISSN	1000-694X
出版年	2017
卷号	37 期号:5 页码:917-924
中文摘要	在乌兰布和沙区,以本地白刺为对照,对从澳大利亚引进的3个种源(代号分别为NB1、NB2和NB3)比拉底白刺(Nitraria billardieri)的光合速率日变化、光响应曲线及相对含水量、叶绿素含量、可溶性糖含量、脯氨酸含量、相对电导率等生理指标进行测定。结果表明:(1)不同种源白刺净光合速率日变化均呈双峰曲线,在14:00出现光合午休现象,且午休主要受气孔因素影响,蒸腾速率呈单峰曲线;(2)不同种源白刺净光合速率随光强的增加而增加,达到饱和点后净光合速率呈下降趋势;NB2具有较高的光饱和点和较低的光补偿点,说明其对光强的适应能力较强;NB1的暗呼吸速率显著高于NB2、NB3和本地白刺(P<0.05),说明NB1具有较强抵御胁迫的能力;利用综合评判法得出不同种源白刺利用光能能力的顺序为NB2>NB1>本地白刺>NB3;(3)不同种源白刺的叶绿素、脯氨酸和可溶性糖含量随种源的变化趋势相同,均是NB2显著高于NB1、NB3和本地白刺(P<0.05); NB1的丙二醛含量最高,显著高于NB2、NB3和本地白刺(P<0.05);(4)根据隶属函数值法对不同种源白刺的抗旱性进行综合评价,不同种源白刺的抗旱性顺序为NB2>NB1>本地白刺>NB3。
英文摘要	In the ulan buh desert,Nitraria tangutorum was used as a control,and three native provenances (named NB1,NB2 and NB3)introduced from Australia of Nitraria billardieri measured photosynthetic rate, light response curve and relative water content,chlorophyll content,soluble sugar content,proline content and relative conductivity.Results showed:(1)The diurnal changes of photosynthetic rate of different provenances showed"double peak" curve,and the photosynthetic"lunch break" phenomenon appeared at 14:00. The"lunch break" was mainly affected by stomatal factors,and the transpiration rate was"single peak" curve.(2)The net photosynthetic rate increased with the increase of light intensity,and the net photosynthetic rate decreased with the increase of saturation point.NB2 has a high light saturation point and a lower light compensation point,indicating that its ability to adapt to light intensity is strong;The dark respiration rate of NB1 was significantly higher than that of NB2,NB3 and N.tangutorum (P<0.05),which indicated that NB1 had strong ability to resist stress.Using the comprehensive evaluation method,the order of using the light energy ability of different provenances was NB2>NB1>N.tangutorum>NB3;(3)The contents of chlorophyll,proline and soluble sugar in different provenances were the same as those of NB2,NB3 and N.tangutorum (P<0.05);The content of MDA in NB1 was the highest,which was significantly higher than that of NB2,NB3 and N.tangutorum (P<0.05).(4)According to the membership function method, the drought resistance of different provenances was analyzed.The order of drought resistance of different provenances was NB2>NB1>N.tangutorum>NB3.
中文关键词	比拉底白刺(Nitraria billardieri) ; 气体交换 ; 光响应 ; 生理特性
英文关键词	Nitraria billardier gas exchange light response physiological characteristics
语种	中文
国家	中国
收录类别	CSCD
WOS类目	PLANT SCIENCES
WOS研究方向	Plant Sciences
CSCD记录号	CSCD:6093699
来源机构	中国林业科学研究院沙漠林业实验中心
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/237139
作者单位	中国林业科学研究院沙漠林业实验中心, 磴口, 内蒙古 015200, 中国
推荐引用方式 GB/T 7714	徐军,陈海玲,郝玉光,等. 乌兰布和沙区比拉底白刺(Nitraria billardieri)的气体交换参数及抗旱生理特性[J]. 中国林业科学研究院沙漠林业实验中心,2017,37(5):917-924.
APA	徐军.,陈海玲.,郝玉光.,董礼隆.,段娜.,...&刘禹廷.(2017).乌兰布和沙区比拉底白刺(Nitraria billardieri)的气体交换参数及抗旱生理特性.中国沙漠,37(5),917-924.
MLA	徐军,et al."乌兰布和沙区比拉底白刺(Nitraria billardieri)的气体交换参数及抗旱生理特性".中国沙漠 37.5(2017):917-924.