Growth and salt accumulation capacity of the common ice plant in the tsunami-affected soil

IF 1.6 3区农林科学 Q2 AGRONOMY

Plant Production Science Pub Date : 2022-06-20 DOI:10.1080/1343943X.2022.2090392

S. Agarie, M. Tada, Masako Kimura, Hitoshi Suzuki, M. Morokuma, M. Toyota, I. Nakamura

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引用次数: 1

Abstract

ABSTRACT Halophytes are salt-tolerant plant that grows naturally in saline areas where almost all conventional crops die due to NaCl toxicity. The common ice plant, Mesembryanthemum crystallinum L., an annual halophyte native to South Africa, tolerates high salinity levels and accumulates NaCl in a shoot at a high level. To check the availability of the ice plant for desalinization of soils, we cultured the ice plant in soils collected from 16 sites located along coastal regions in the prefectures of Miyagi and Iwate, where were attacked by the tsunami disaster in the wake of the 2011 earthquake off the Pacific coast of Tohoku on 11 March 2011. In the soils obtained from some tsunami affected areas, the growth was better than that in the non-contaminated soil. The factors associated with growth inhibition were suggested to be water ratio (an index of water content) and soil water permeability. The ice plant’s estimated biological yield ranged from 0.33 to 14.6 kg m−2, equivalent to 2.3 to 101.7 t ha−1. The sum of Na+ and Cl− was about 9.5 g in the shoot (31.8% on a dry weight basis), and the estimated total amount of these ions removed from salinized soil was 2.38 t ha−1. These results indicated that the common ice plant could be used as a crop under salinity and a tool for ameliorating NaCl from salinized soils. Graphical Abstract

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普通冰植物在海啸影响土壤中的生长和盐积累能力

盐生植物是一种耐盐植物，自然生长在盐碱地，在盐碱地，几乎所有传统作物都因盐中毒而死亡。常见的冰植物，Mesembryanthemum crystinum L.，一种原产于南非的一年生盐生植物，耐高盐度并在茎部积累高水平的NaCl。为了检查冰植物对土壤脱盐的有效性，我们在宫城县和岩手县沿海地区的16个地点收集的土壤中培养了冰植物，这两个地区在2011年3月11日日本东北太平洋沿岸发生地震后遭受了海啸的袭击。在海啸灾区的土壤中，生长情况比未受污染的土壤好。与生长抑制有关的因子是水分比(水分含量指标)和土壤透水性。冰厂的估计生物产量范围为0.33至14.6 kg m - 2，相当于2.3至101.7 t ha - 1。茎部Na+和Cl−的总量约为9.5 g(占干重的31.8%)，盐渍化土壤中Na+和Cl−的总量估计为2.38 t ha−1。这些结果表明，普通冰植物可以作为盐胁迫下的作物，也可以作为盐渍化土壤改良NaCl的工具。图形抽象

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来源期刊

Plant Production Science 农林科学-农艺学

CiteScore

5.10

自引率

4.00%

发文量

审稿时长

>36 weeks

期刊介绍： Plant Production Science publishes original research reports on field crops and resource plants, their production and related subjects, covering a wide range of sciences; physiology, biotechnology, morphology, ecology, cropping system, production technology and post harvest management. Studies on plant production with special attention to resource management and the environment are also welcome. Field surveys on cropping or farming system are also accepted. Articles with a background in other research areas such as soil science, meteorology, biometry, product process and plant protection will be accepted as long as they are significantly related to plant production.