&lt;strong&gt;Ecological effects of ionic liquids on microbial activity of a soil and on tree seed germination&lt;/strong&gt;

Salgado, Juan José; Teijeira, Tamara; Parajó, Juan José; Villanueva, M.; Núñez, Raquel; Reyes, Otilia

doi:10.3390/ecsoc-19-f005

Cited by 1 publication

(1 citation statement)

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“…In the calcareous soil, the roots in the control soil reached a length of 5.6±1.6 cm, while in the 2.5% treatment the roots only reached 3.4±2.3 cm. These results are in relatively good agreement with the significant inhibitions of seed germination of several plant species (Salgado et al, 2015) and the reduction of early growth of two herbaceous species (Reyes and Salgado, 2016) as a consequence of the addition of different ILs, obtained in previous studies by the same authors. However, in previous studies the effect of the IL on root growth was stronger than in the current study.…”

Section: Roots Lengthsupporting

confidence: 91%

Toxic effects of [BMIM][BF4] on early growth of Eucalyptus globulus Labill

Ucha

Reyes

Salgado

et al. 2017

Proceedings of the 21st International Electronic Conference on Synthetic Organic Chemistry

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Atmospheric contamination from ionic liquids (ILs) is very improbable due to the low vapour pressure of these compounds. Nevertheless many ILs are water soluble and they can generate harmful effects on aquatic organisms, soils and plants. Inhibition of bioluminescence of Vibrio fischeri bacteria is one of the most used tests to determine the toxicity of ILs, however these results cannot be extrapolated to other trophic levels. This work presents the main conclusions of a study on the effect of the IL 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) on early growth of Eucalyptus globulus Labill. plants on two soils with different pH and treated with five different concentrations of aqueous solutions of the IL (0 (control), 0.01, 0.1, 1, 10, 25 %) with the rate of 0.1 ml of solution per gram of soil. The stem and root lengths, the leaf number and the dry weight were determined in every case. [BMIM][BF4] has important effects on the survival and early growth of plants characterized by a decrease with the increasing IL concentration, and for the dose higher than 10% the total mortality was observed for both soils. Soil influence has been detected for the lowest concentrations, observing that highest survival and early growth correspond to the highest pH soil.

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Section: Roots Lengthsupporting

confidence: 91%