[1]吴春霞,李 阳,李昊宇,等.水分胁迫对竹柳生长的影响[J].黑龙江农业科学,2021,(10):96-103.[doi:10.11942/j.issn1002-2767.2021.10.0096]
　WU Chun-xia,LI Yang,LI Hao-yu,et al.Effect of Water Stress on Bamboowillow (Salix fragilis L.) Growth[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(10):96-103.[doi:10.11942/j.issn1002-2767.2021.10.0096]
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水分胁迫对竹柳生长的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2021年10 页码: 96-103 栏目: 出版日期: 2021-10-10
Title:
Effect of Water Stress on Bamboowillow (Salix fragilis L.) Growth
作者:
吴春霞1; 李 阳2; 李昊宇2; 王文全2; 范敬龙3; 匡代洪3
1．国家能源集团新疆能源有限责任公司 活性炭分公司，新疆 乌鲁木齐 830000；2.新疆农业大学 草业与环境科学学院，新疆 乌鲁木齐 830052；3.中国科学院 新疆生态与地理研究所，新疆 乌鲁木齐 830011
Author(s):
WU Chun-xia1; LI Yang2; LI Hao-yu2; WANG Wen-quan2; FAN Jing-long3; KUANG Dai-hong3
1．Activated Carbon Branch of National Energy Group Xinjiang Energy Limited Company，Urumqi 830000，China；2．College of Prataculture and Environmental Sciences，Xinjiang Agricultural University，Urumqi 830052，China；3．Xinjiang Institute of Ecology and Geography，Chinese Academy of Sciences，Urumqi 830011，China
关键词:
竹柳; 水分胁迫; 生长特性; 生理特性; 细胞形态
Keywords:
bamboowillow;  water stress;  growth characteristics;  physiological characteristics;  cell morphology
DOI:
10.11942/j.issn1002-2767.2021.10.0096
文献标志码:
A
摘要:
为促进新疆干旱区人工湿地竹柳栽培，以盆栽竹柳苗木为研究对象，设置淹水、湿（3 d浇灌1次）、适中（7 d浇灌1次）、旱（21 d浇灌1次）、极旱（30 d浇灌1次）5个水分处理梯度，通过对不同水分条件下竹柳生长、生理指标的测定及细胞形态的观察，研究水分胁迫对竹柳生长的影响。结果表明：随水分胁迫时间的延长，淹水组竹柳生成气生根，叶片变黄枝条细长，21 d和30 d组叶片卷曲、脱落，枝条萎缩、干枯。3 d和7 d组生存状态最佳；各处理细胞膜透性和MDA含量表现为淹水＞3 d＞7 d＞21 d，说明长时间对竹柳进行干旱胁迫会破坏竹柳的生物膜结构。土壤含水率保持在15.5%~53.5%水平可能是竹柳的最佳生存状态。
Abstract:
In order to promote the cultivation of bamboowillow in constructed wetlands in arid areas of Xinjiang,in this experiment, the potted bamboowillow seedlings were taken as the object, and five water treatment gradients were set up, which were flooding, wet, moderate, dry and extremely dry. Through the measurement of growth, physiological indexes and observation of cell morphology of bamboowillow under different water conditions,the effects of water stress on the growth of bamboowillow were studied. The results showed that: with the extension of water stress time, the bamboowillow in the flooding group took root by air, and the leaves became yellow and slender. The leaves in 21 d and 30 d groups were curled and fell off, and the branches shrank and dried. The survival status of the three and seven day groups was the best. The cell membrane permeability and MDA content of each treatment showed flooding >3 d>7 d>21 d, indicating that longterm drought stress will destroy the biofilm structure of bamboowillow. The best survival state of bamboowillow was to keep the soil moisture content in the range of 15.5%-53.5%.

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备注/Memo

收稿日期：2021-07-0

基金项目：新疆维吾尔自治区重点研发计划项目（2017B03014-3）；新疆维吾尔自治区土壤与植物生态过程重点实验室资助项目。
第一作者：吴春霞（1997-），学士，从事环境影响评价研究。E-mail：623166168@qq.com。
通信作者：王文全（1968-），硕士，教授，从事环境污染控制与修复研究。E-mail：wwq6804@163.com。

更新日期/Last Update: 2021-11-07