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Sweet Clovers, a Source of Fibers Adapted for Growth on Wet and Saline Soils

机译:甜三叶草,一种适合在潮湿和盐渍土壤上生长的纤维来源

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摘要

Sweet clovers are legumes able to grow on most soils, and two sweet clover species, Melilotus albus and Melilotus officinalis have been introduced and are now cultivated on estuary land. We characterized the composition and morphology of sweet clover stems collected after the seeds had reached maturity. We also carried out histochemical analyses on transverse sections. The two species had similar morphological structures, which two fiber fractions: flexible long fibers and stiff, dense shives, accounting for about 12% and 88% of stem dry matter, respectively. Histological analysis revealed the presence of bundles of highly cellulosic bast fibers (lignocellulosic material: 71-78% of dry matter). The shives are a natural mesoporous material composed of 85-90% lignocellulosic fibers. Both fiber fractions displayed good thermal resistance to temperatures up to 225 degrees C and a moderate affinity for water. These two types of fibers are similar to those of flax and hemp, suggesting their possible use for the same types of applications. Sweet clovers therefore constitute a new source of fibers that can be cultivated on wet and saline soils not otherwise suitable for agriculture.
机译:甜三叶草是能够在大多数土壤上生长的豆类植物,并且已经引入了两种甜三叶草物种,即白苜蓿和厚朴苜蓿,现在在河口土地上进行种植。我们表征了种子成熟后收集的甜三叶草茎的组成和形态。我们还对横切面进行了组织化学分析。这两个物种具有相似的形态结构,其中包括两个纤维部分:柔韧的长纤维和坚硬的致密碎屑,分别占茎干物质的约12%和88%。组织学分析表明存在捆扎的高纤维素韧皮纤维(木质纤维素材料:干物质的71-78%)。碎屑是由85-90%的木质纤维素纤维组成的天然中孔材料。两种纤维组分均对高达225摄氏度的温度表现出良好的耐热性,并且对水具有适度的亲和力。这两种类型的纤维与亚麻和大麻的纤维相似,表明它们可用于相同类型的应用。因此,甜三叶草构成了一种新的纤维来源,可以在原本不适合农业的潮湿和盐渍土壤上种植。

著录项

  • 来源
    《Journal of natural fibers》 |2016年第4期|410-422|共13页
  • 作者单位

    Univ Toulouse, Lab Chim Agroind, INP, ENSIACET, 4 Allee Emile Monso,BP 44362, F-31030 Toulouse 4, France|INRA, Lab Chim Agroind, Toulouse, France;

    Univ Toulouse, Lab Chim Agroind, INP, ENSIACET, 4 Allee Emile Monso,BP 44362, F-31030 Toulouse 4, France|INRA, Lab Chim Agroind, Toulouse, France;

    Univ Toulouse, Lab Chim Agroind, INP, ENSIACET, 4 Allee Emile Monso,BP 44362, F-31030 Toulouse 4, France|INRA, Lab Chim Agroind, Toulouse, France;

    Univ Toulouse, Lab Chim Agroind, INP, ENSIACET, 4 Allee Emile Monso,BP 44362, F-31030 Toulouse 4, France|INRA, Lab Chim Agroind, Toulouse, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bast fiber; fiber crops; Melilotus alba; Melilotus officinalis; natural fiber; saline wet soil;

    机译:韧皮纤维;纤维作物;白叶苜蓿;白叶麦草;天然纤维;盐渍湿土;

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