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当前位置: 首页 > 文章 > 不同干扰方式对疏叶骆驼刺生长及生理特征的影响 草业学报 2015,24 (2) 202-207
Position: Home > Articles > Effect of different treatments on the growth and physiological characteristics of Alhagi sparsifolia Acta Prataculturae Sinica 2015,24 (2) 202-207

不同干扰方式对疏叶骆驼刺生长及生理特征的影响

作  者：
高欢欢;曾凡江;鲁艳;刘镇;安桂香;刘波
单  位：
中国科学院新疆生态与地理研究所
关键词：
疏叶骆驼刺;干扰;生长特征;生理特征
摘  要：
本实验以塔克拉玛干沙漠南缘疏叶骆驼刺为研究对象,设置春季刈割、春季火烧、秋季刈割、对照4个处理,研究干扰对其生长及生理特征的影响。研究结果表明,1)秋季刈割叶片长宽比、叶片厚度显著大于其他处理,叶片进行能量交换、物质积累的能力最强。2)不同干扰方式均降低了疏叶骆驼刺株高,不利于疏叶骆驼刺的恢复与再生,3种人为干扰方式比较秋季刈割骆驼刺再生能力最强。3)秋季刈割叶片叶绿素含量显著高于其他处理。4)3种干扰在生理上降低了疏叶骆驼刺受外界逆境的损害,秋季刈割抗逆性最强。因此,秋季适度刈割是疏叶骆驼刺最佳的保护性利用措施。
译  名：
Effect of different treatments on the growth and physiological characteristics of Alhagi sparsifolia
作  者：
GAO Huanhuan;ZENG Fanjiang;LU Yan;LIU Zhen;AN Guixiang;LIU Bo;Xinjiang Institute of Ecology and Geography,Chinese Academy of Science,State Key Laboratory of Desert and Oasis Ecology;Graduate University of Chinese Academy of Science;Cele National Field Science Observation and Research Station of Desert Grassland Ecosystem;
关键词：
Alhagi sparsifolia;;distrubance;;growth characteristics;;physiological characteristics
摘  要：
This paper reports a study of the effects of different treatments(spring mowing,spring firing,autumn mowing,and a contrast test)on the growth and physiological characteristics of Alhagi sparsifoliain the southern fringe of the Taklimakan Desert.The results show that under autumn mowing the leaves were significantly thicker and had a higher ratio of leaf length to width,indicating increased capability to transfer energy and material compared to the other treatments.All the treatments reduced A.sparsifoliaplant growth and regeneration.However,mowing in autumn showed the strongest regenerative capability of the three treatments.Autumn mowing produced leaves with significantly higher photosynthetic pigment content than the other treatments.All three treatments reduced the physiological damage to A.sparsifolia from the external environment,though mowing in autumn showed the strongest resistance.The paper thus concludes that autumn moving is the best management practice for A.sparsifolia.

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