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首页> 外文期刊>Ecological research >Nickel hyperaccumulation in Antidesma montis-silam: from herbarium discovery to collection in the native habitat
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Nickel hyperaccumulation in Antidesma montis-silam: from herbarium discovery to collection in the native habitat

机译：Antidesma montis-silam中的镍超富集：从植物标本室发现到原生生境中的收集

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The majority of nickel hyperaccumulator plant species have been discovered by screening using a field spot test based on dimethylglyoxime. Recently, the use of a portable X-ray fluorescence spectroscopy instruments has enabled non-destructive analyses of existing herbarium collections. Given that the family Phyllanthaceae globally has the greatest numbers of hyperaccumulators, all available specimens from this family, including the speciose genus Antidesma , at the Forest Research Centre Herbarium in Sabah, Malaysia, were analysed. The results reveal 9 new manganese hyperaccumulators in the genus Antidesma , including Antidesma puncticulatum , with manganese concentrations reaching up to 46,400 µg g_(−1). Prior to this study, only one manganese hyperaccumulator had been recorded in Sabah. The present study is the first to discover nickel hyperaccumulator plant species (four species) in the genus Antidesma , including Antidesma montis - silam with concentrations reaching up to 32,700 µg g_(−1). Further collection and analyses of plant material of Antidesma montis - silam in the native habitat confirmed the high foliar nickel concentrations. The high nickel hyperaccumulating characteristic and ostensibly fast growth rate of Antidesma montis - silam infer potential for use in agromining technology. Some species in the genus Antidesma exhibit co-accumulation of manganese and nickel. This case-study shows how herbarium XRF screening can lead to discovery of taxa with unique properties.
机译：通过使用基于二甲基乙二肟的现场试验进行筛选，发现了大多数镍超富集植物物种。最近，便携式X射线荧光光谱仪的使用已实现了对现有植物标本室集合的无损分析。鉴于全球范围内的余生菊科植物具有最多的超积累物，因此分析了该家族中所有可用的标本，包括位于马来西亚沙巴的植物标本室的Speciesose属Antidesma。结果揭示了Antidesma属中的9种新的锰超蓄积剂，包括点状Antidesma puncticulatum，锰浓度高达46,400μgg _（-1）。在进行这项研究之前，沙巴州仅记录了一种锰超蓄积剂。本研究是第一个在Antidesma属中发现镍超富集植物物种（四种）的方法，其中包括Antidesma montis-silam，其浓度高达32,700 µg g _（-1）。在原生生境中进一步对Antidesma montis-silam的植物材料进行收集和分析，证实了叶面镍含量较高。 Antidesma montis-silam的高镍超富集特性和表面上看快的生长速度暗示了其在农业技术中的应用潜力。 Antidesma属中的某些物种表现出锰和镍的共同积累。该案例研究显示了植物标本室XRF筛选如何导致具有独特属性的分类单元的发现。

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