The effect of sodium fluoride on seeds germination and morphophysiological changes in the seedlings of the Antarctic species Colobanthus quitensis (Kunth) Bartl.and the Subantarctic species Colobanthus apetalus (Labill.) Druce

IF 0.9 4区地球科学 Q4 ECOLOGY

Polish Polar Research Pub Date : 2023-11-06 DOI:10.24425/ppr.2019.129673

J. Dulska, J. Wasilewski, P. Androsiuk, Wioleta Kellmann-Sopyła, K. Głowacka, R. Górecki, K. Chwedorzewska, I. Giełwanowska

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引用次数: 1

Abstract

The phytotoxic effects of fluoride and its derivatives on the seeds and seedlings of the Colobanthus apetalus and Colobanthus quitensis were studied. This is a first study to evaluate the influence of sodium fluoride (NaF) on the morphophysiological and biochemical processes on two Colobanthus species. The influence of various concentrations of NaF (9 mM, 19 mM, 29 mM) on the germination capacity and germination rate of seeds, seedlings growth and the proline content of plant tissues was analyzed under laboratory conditions (20/10°C, 12/12 h). The seeds of C. apetalus were collected from a greenhouse, whereas the seeds of C. quitensis were collected in Antarctica and in a greenhouse (Olsztyn, Poland). The tested concentrations of NaF did not suppress the germination of C. apetalus seeds, but the germination of C. quitensis seeds was inhibited. Sodium fluoride mainly inhibited root growth of C. apetalus and C. quitensis. In both analyzed species, the free proline content of seedlings increased significantly under exposure to NaF. The results of this study clearly indicate that C. apetalus and C. quitensis are highly resistant to NaF stress.

查看原文本刊更多论文

氟化钠对南极种石竹种子萌发及幼苗形态生理变化的影响。和亚南极种的无瓣花(唇形)。Druce

本文研究了氟及其衍生物对无瓣石花和秋石花种子和幼苗的毒性作用。本文首次研究了氟化钠(NaF)对两种耧斗菜形态生理生化过程的影响。在实验室条件下(20/10°C, 12/12 h)，分析了不同浓度NaF (9 mM, 19 mM, 29 mM)对种子发芽率、发芽率、幼苗生长和植物组织脯氨酸含量的影响。无花瓣C. aptalus种子采集于温室，而C. quitensis种子采集于南极洲和波兰Olsztyn温室。NaF浓度对无瓣草种子萌发没有抑制作用，但对无瓣草种子萌发有抑制作用。氟化钠主要抑制无瓣草和清花草的根系生长。两种植物在NaF处理下，幼苗游离脯氨酸含量均显著增加。本研究结果清楚地表明，无瓣金牛和清花金牛对NaF胁迫具有较高的抗性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polish Polar Research ECOLOGY-GEOSCIENCES, MULTIDISCIPLINARY

CiteScore

2.00

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The quarterly Polish Polar Research edited by the Committee on Polar Research of the Polish Academy of Sciences is an international journal publishing original research articles presenting the results of studies carried out in polar regions. All papers are peer-reviewed and published in English. The Editorial Advisory Board includes renowned scientist from Poland and from abroad.