Sexually differential tolerance to water deficiency of Salix paraplesia-A female-biased alpine willow
文献类型：期刊论文
| 作者 | Liao, Jun1,2; Song, Haifeng1,2; Tang, Duoteng3 ; Zhang, Sheng3
|
| 刊名 | ECOLOGY AND EVOLUTION
 |
| 出版日期 | 2019-08-01 |
| 卷号 | 9期号:15页码:8450-8464 |
| ISSN号 | 2045-7758 |
| 关键词 | alpine dioecy drought sex ratio willow |
| DOI | 10.1002/ece3.5175 |
| 通讯作者 | Zhang, Sheng(shengzhang@scu.edu.cn) |
| 英文摘要 | Salicaceae plants are dioecious woody plants. Previous studies have shown that male individuals are more tolerant to water deficiency than females for male-biased poplars. However, Salix paraplesia is a female-biased species in nature. It is still unknown whether female willows are more tolerant to drought stress than males. To better understand the sexually different tolerance to water deficiency in willows, a greenhouse experiment combined with a field investigation was conducted, and physiological traits were tested in male and female S. paraplesia under a drought-stressed condition (50% of soil water capacity). Our field investigation showed that S. paraplesia was a species with female-biased sex ratio along altitude gradients (2,400 m, 2,600 m and 2,800 m) in their natural habitats. Our results showed that the height growth, biomass accumulation, total chlorophyll pigment content (TChl), and the net photosynthetic rate were higher in female willows than in males at the low and middle altitudes (2,400 m and 2,600 m) rather than at a high altitude (2,800 m) under well-watered conditions. Under drought-stressed conditions, the growth, biomass, and photosynthesis were greatly inhibited in both sexes, while females showed higher biomass and TChl content and suffered less negative effects than did males. Particularly, females that originated from a high altitude showed lower leaf relative electrolyte leakage, malondialdehyde content, and less disorder of chloroplast ultrastructures but a higher peroxidase activity (POD) than that of males. Therefore, S. paraplesia females exhibited a better drought tolerance and self-protective ability than males from high altitude. There is a reason to speculate that the population structure of S. paraplesia at a high altitude would be likely to further female biases with the increased drought intensity in the alpine regions. |
| WOS关键词 | SEX-SPECIFIC RESPONSES ; POPULUS-CATHAYANA ; DIOECIOUS PLANTS ; CLIMATE-CHANGE ; GAS-EXCHANGE ; DROUGHT ; PATTERNS ; ALTITUDE ; GROWTH ; SHRUB |
| 资助项目 | National Natural Science Foundation of China[31770650] ; National Natural Science Foundation of China[XDA20020401] ; Chinese Academy of Sciences ; Fundamental Research Funds for Central Universities |
| WOS研究方向 | Environmental Sciences & Ecology ; Evolutionary Biology |
| 语种 | 英语 |
| 出版者 | WILEY |
| WOS记录号 | WOS:000478481200001 |
| 资助机构 | National Natural Science Foundation of China ; Chinese Academy of Sciences ; Fundamental Research Funds for Central Universities |
| 源URL | [http://ir.imde.ac.cn/handle/131551/26775]  |
| 专题 | 中国科学院水利部成都山地灾害与环境研究所 |
| 通讯作者 | Zhang, Sheng |
| 作者单位 | 1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu, Sichuan, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm, Minist Educ, Chengdu, Sichuan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liao, Jun,Song, Haifeng,Tang, Duoteng,et al. Sexually differential tolerance to water deficiency of Salix paraplesia-A female-biased alpine willow[J]. ECOLOGY AND EVOLUTION,2019,9(15):8450-8464. |
| APA | Liao, Jun,Song, Haifeng,Tang, Duoteng,&Zhang, Sheng.(2019).Sexually differential tolerance to water deficiency of Salix paraplesia-A female-biased alpine willow.ECOLOGY AND EVOLUTION,9(15),8450-8464. |
| MLA | Liao, Jun,et al."Sexually differential tolerance to water deficiency of Salix paraplesia-A female-biased alpine willow".ECOLOGY AND EVOLUTION 9.15(2019):8450-8464. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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