您好，欢迎访问湖北省农业科学院 机构知识库！
湖北省农业科学院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

Comparison of Growth and Physiological Responses to Severe Drought between Two Altitudinal Hippophae rhamnoides Populations

文献类型： 外文期刊

作者： Yang, Yongqing 1 ; Yao, Yinan 1 ; Zhang, Xuejiang 3 ;

作者机构： 1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China

2.Chongqing Normal Univ, Coll Life Sci, Chongqing 400047, Peoples R China

3.Hubei Acad Agr Sci, Inst Plant Protect & Soil Sci, Wuhan 430064, Peoples R China

关键词： phosphorus: 7723-14-0;nitrogen: 7727-37-9;ascorbic acid: 62624-30-0;lignin: 9005-53-2Qinghai-Tibetan Plateau: China;Asia;Palearctic region;Minjiang River: China;Asia;Palearctic region;plant growth;antioxidant capacity;drought tolerance;plant physiology;lowland population;highland population;dry valley reforestation

期刊名称：SILVA FENNICA （ 影响因子：1.819； 五年影响因子：2.21 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Growth and physiological differences in response to drought were compared between two sea buckthorn (Hippophae rhamnoides L.) populations inhabited in the southeast of the Qinghai-Tibetan Plateau of China. The experimental design included two water regimes (100% and 25% of field capacity) and two populations from the low and high altitude zone. Our experiments were conducted in a naturally lit greenhouse under semi-controlled environmental conditions for a whole growing season in a dry valley (1800 m above the sea level). We found that drought tolerance is highly related to the plant antioxidant capacity and water use efficiency as well as leaf nutrient status in H. rhamnoides. The highland population (HP) experienced a greater inhibition in plant growth and leaf enlargement, lower leaf nitrogen and phosphorus content, lower root nodule biomass and root mass/foliage area ratio, and higher leaf water content loss paralleling with higher enhancement of abscisic acid level in response to drought, as compared with lowland population (LP). Additionally, reduction of leaf lignin content in HP further reduced its drought tolerance. On the contrary, LP showed effective adaptation strategies such as improvement of water economy and maintaining high ascorbic acid content. Therefore, we conclude that LP was more tolerant to drought than HP, and could be selected for reforestation in the dry valleys of upper Minjiang River regions in China.

  • 相关文献

[1]Genetic and cytological analysis of a new spontaneous male sterility in radish (Raphanus sativus L.). Wang, Zhi-Wei,Gao, Lei,Zhou, Yuan,Wang, Ting,Wang, Zhi-Wei,Xiang, Chang Ping,Liu, Hai Zhou,Mei, Shi Yong.

[2]SOIL BIOLOGICAL AND BIOCHEMICAL QUALITY OF WHEAT-MAIZE CROPPING SYSTEM IN LONG-TERM FERTILIZER EXPERIMENTS. Qi, Ying-Chun,Hu, Cheng.

[3]Yeast mannoproteins improve thermal stability of anthocyanins at pH 7.0. Wu, Jine,Wu, Jine,Guan, Yongguang,Zhong, Qixin.

作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：湖北省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台