ALLELOPATIC EFFECTS OF SOME ESSENTIAL OIL COMPONENTS OF THYME AND ROSE ON GERMINATION: CASE STUDY OF BARLEY

Current Trends in Natural Sciences Pub Date : 2022-07-31 DOI:10.47068/ctns.2022.v11i21.010

Yalçin Coskun, Tulay Tutenocaklı, I. Tas, M. Akçura, A. Oral

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Abstract

The study was carried out to determine whether different concentrations of essential oil components (geraniol, carvacrol, thymol, and alpha terpinene) and essential oil of thyme (Thymus vulgare) have any allelopathic effects on the germination of barley seeds. The study was carried out in the laboratory environment according to the divided plots experimental design in random plots. At the end of the experiment, the effects of allelochemical types of carvacrol, thymol and geraniol doses on germination rate and seedling dry weight were found to be statistically significant (p<0.01). It was determined that geraniol (0.00245 g), carvacrol (0.01790 g) and thymol (0.02590 g) had the most negative effects on seedling dry weight, respectively. As a result, it was determined that some of the herbal allelochemicals used were effective on the germination of barley seed and seedling growth, and the effect rate increased as the dose increased. Thymol, geraniol and carvacrol showed the most negative effects on the germination rate of barley seed at all doses. On the other hand, adverse effects were determined at high doses of alpha terpinene. All doses of thyme essential oil and low doses of alpha terpinene showed similar effects with the control. As a result; It is thought that essential oil components, which have a negative effect on the germination of barley seed, can be used in the production of plant-based bio-herbicides.

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百里香和玫瑰精油成分对大麦发芽的化感作用

本研究旨在确定不同浓度的香叶醇、香芹醇、百里香酚和α -萜烯精油成分和百里香精油对大麦种子萌发是否有化感作用。本研究在实验室环境下按照随机小区的分块试验设计进行。试验结束时，香芹酚、百里香酚和香叶醇化感化学类型剂量对发芽率和幼苗干重的影响均有统计学意义(p<0.01)。结果表明，香叶醇(0.00245 g)、香芹酚(0.01790 g)和百里香酚(0.02590 g)对幼苗干重的影响最大。结果表明，所使用的部分草本化感剂对大麦种子萌发和幼苗生长有一定的促进作用，且效果随剂量的增加而增加。百里香酚、香叶醇和香芹醇对大麦种子发芽率的影响最大。另一方面，在高剂量的-萜烯下确定了不良反应。所有剂量的百里香精油和低剂量的-萜烯显示出与对照组相似的效果。结果;对大麦种子萌发有负面影响的植物性生物除草剂可以利用其精油成分进行生产。

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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Current Trends in Natural Sciences

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