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| 1 | 湿地植物根形态结构和泌氧与盐和重金属吸收、积累、耐性关系的研究进展显示文摘目前大面积湿地面临着重金属污染和盐渍化问题。利用湿地植物修复这些受损生态系统和提高海水稻的产量、减少毒性金属元素在稻米中的积累是当前面临的重要任务。湿地植物(包括水稻)已发展出各种策略和机制来耐受不同的环境胁迫,它们的根系发育具有可塑性,如根形态和解剖结构会随外界条件的变化而变化,这些变化直接影响其对环境胁迫的适应性能。近年来,对湿地植物根形态和结构、泌氧与其对盐、重金属的吸收、积累和耐性之间的关系方面进行了一些重要研究。本文分别对湿地植物根系形态、质外体屏障、通气组织和泌氧与其对盐和重金属吸收、积累和耐性的关系等方面的研究进展进行了综述,并对该领域未来的发展方向作了展望。 | 谢换换 叶志鸿 | 2021 | 生态学杂志2021，40，3： | 14 |
| 2 | Selection of Rice Genotypes for Salinity Tolerance Through Morpho-Biochemical Assessment显示文摘The present study reported the morpho-biochemical evaluation of 15 selected rice genotypes for salt tolerance at the seedling stage. Growth parameters including shoot length, root length, plant biomass, plant turgid weight, plant dry weight along with relative water content were measured after exposure to saline solution(with electrical conductivity value of 12 dS/m). Genotypes, showing significant differential responses towards salinity in the fields, were assessed through 14 salinity-linked morpho-biochemical attributes, measured at 14 d after exposure of seedling in saline nutrient solution. Relative water content, chlorophyll a/b, peroxidase activity and plant biomass were identified as potential indicators of salt tolerance. Principal component analysis and successive Hierarchical clustering using Euclidean distance revealed that Talmugur, Gheus, Ghunsi, Langalmura, Sabitapalui, and Sholerpona were promising genotypes for further breeding programmes in rice. The maximum Euclidean distance was plotted between Thavallakanan and Talmugur(7.49), followed by Thavallakanan and Langalmura(6.82), indicating these combinations may be exploited as parental lines in hybridization programmes to develop salinity tolerant variety. | Md. Nasim ALI Bhaswati GHOSH Saikat GANTAIT Somsubhra CHAKRABORTY | 2014 | Rice science2014，21，5： | 1 |
| 3 | NaCl胁迫对豆梨抗氧化能力的影响初探显示文摘以豆梨试管苗为试验材料,用不同浓度NaCl(0、0.3%、0.6%和0.9%)对其进行胁迫处理,14 d后比较株系间抗氧化活性差异.结果表明,随NaCl浓度的增加,豆梨电导率、MDA逐步升高.叶片中O2产生速率呈先升后降的趋势,在0.3%NaCl胁迫处理下,达129.31 nmol/(min·g),显著高于对照,在0.6% ~ 0.9%NaCl胁迫处理下,又逐步降低到对照水平以下.SOD活性在0.3%NaCl胁迫处理下大幅升高,随后降低.POD活性在0.3%NaCl胁迫处理下降低,在0.6%~0.9%NaC1胁迫处理下又稍有回升.CAT活性则随NaCl浓度的升高而逐步升高. | 李晓刚 杨青松 王中华 蔺经 | 2014 | 上海农业科技2014，，6： | 1 |
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