Nitrogen Effects on the Essential Oil and Biomass Production of Field Grown Greek Oregano (Origanum vulgare subsp. hirtum) Populations

Ninou, Elissavet; Cook, Catherine M.; Papathanasiou, Fokion; Aschonitis, Vassilis; Avdikos, Ilias D.; Tsivelikas, Athanasios; Stefanou, S.; Ralli, Parthenopi; Mylonas, Ioannis

doi:10.3390/agronomy11091722

Cited by 8 publications

(9 citation statements)

References 28 publications

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“…The agronomic technique is one of the aspects which can be managed to improve quantitative and qualitative essence parameters [15,85,86]. As evidenced by many authors [5,16,22,23,25], the application of N in oregano may have positive effects on biomass production, EO content and EO yield.…”

Section: Discussionmentioning

confidence: 99%

“…Both in cultivated and spontaneous plants, oregano shows significant variations in essential oil (EO) yield and quality due to the effects of biotic and abiotic factors [10][11][12][13][14]. The development and use of an appropriate cultivation technique can limit these effects, improving the production and qualitative performance [7,15,16].…”

Section: Introductionmentioning

confidence: 99%

“…Nitrogen is a fundamental element for plant nutrition, and it is extremely important for oregano growth [6,16,22,23]. A number of studies carried out both in pots [24] and open fields [16,[25][26][27] showed the positive effect of nitrogen on biomass and EO yields.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Foliar Treatments with Calcium and Nitrogen on Oregano Yield

et al. 2023

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Oregano, Origanum vulgare L., is a perennial herbaceous plant belonging to the Lamiaceae family. Oregano shows variations in biomass yield and essential oil (EO) content due to the influence of abiotic and biotic factors. The aim of this study was to assess the effect of different foliar applications based on calcium (Ca) and nitrogen (N) on morphological and productive parameters in oregano. Tests were carried out in Sicily (Italy) in 2020–2021. In each year, eight foliar applications were applied. Only flowers and leaves were used for the extraction of the EO. For all parameters in the study, except for plant height and inflorescence length, the highest values were found in treated plants with respect to the control. In plants treated with calcium and nitrogen, an increase of between 0.6 and 1.6 t ha−1 was observed for fresh yield, and an increase of between 0.5 and 0.9 t ha−1 was observed for dry yield. The increase in biomass yield led to an increase in EO yield of between 4 and 12 kg ha−1. The results highlight that foliar treatments with Ca in combination with N enable growth in crop production in environments that show poor water availability.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of Foliar Treatments with Calcium and Nitrogen on Oregano Yield

et al. 2023

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“…It can be assumed that in northern countries, the amount of nitrogen fertilizer applied to the soil increases. Thus, for the conditions of Poland, it is recommended to add 120 kg N ha -1 (Krоl et al, 2020), for Greece 80 kg N ha -1 (Ninou et al, 2021), and for Argentina 40 kg ha -1 (Barreyro et al, 2005;Ozgüven et al, 2006). For the experiments, we chose the recommendations on fertilization of Polish scientists due to similar soil and climatic conditions than in the previously mentioned countries.…”

Section: Chemical Composition Of the Essential Oilmentioning

confidence: 99%

Сultivation experiment of Origanum vulgare L. in Northern Kazakhstan using nitrogen fertilizer

Кабанова

SHAKHMATOV

BORTSOV

et al. 2023

Not Bot Horti Agrobo

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The purpose of the research is to determine the effect of ammonium nitrate fertilizer on the growth and yield of Origanum vulgare L. essential oil grown in Northern Kazakhstan. One-factor analysis proved that the introduction of ammonium nitrate positively affected the growth and yield of O. vulgare L., the yield of essential oil and the content of its individual components. Plant height increased by 19.3%, bush size – by 17.4%, yield – by 11.8%. Essential oil output of O. vulgare L. at the experimental site, compared to the control site, increased by 20% and the yield of extraction reached 0.60% and 0.48%, respectively. The largest number of components was related to monoterpenes (52.57% in the experimental section, -50.10% in the control section), the most common were γ-Terpinene, β-Sabinene, Carvacrol and trans-β-Ocimene. Sesquiterpene content in the experimental sample was 37.19%, compared to 38.5250% in the control sample, in which Germacrene D and Caryophyllene were the most common components. Cluster analysis showed that the essential oil composition of O. vulgare L. from Kazakhstan is similar to the composition of the essential oil of plants from Moldova, Poland, Turkey (Anatolia), Latvia and Russia. Germacrene D, Carvacrol and β-Sabinene were the binding components of plants from Kazakhstan and Moldova. The similarity between plants from Kazakhstan and other countries in the same cluster was due to the Germacrene D content (cluster’s average value was 10.1%) and the content of Spathulenol (4.9%).

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“…The intensity and quality of light can cause the accumulation and distribution of EOs in plants to differ. Shading plants with changes in the spectral composition of light can increase the content and modify the Eos' profile in medicinal plants [11,12].…”

Section: Introductionmentioning

confidence: 99%

Shade-Induced Effects on Essential Oil Yield, Chemical Profiling, and Biological Activity in Some Lamiaceae Plants Cultivated in Serbia

Lalević¹,

Ilić²,

Milenković³

et al. 2023

Horticulturae

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Thyme, mint, and lemon balm were used to determine whether shading conditions could improve the yield, composition, antioxidant, and antimicrobial activity in plant essential oils (EOs) in comparison with non-shaded plants from an open field. The yield of the EOs of non-shaded thyme, mint, and lemon balm, was 3.44, 3.96, and 0.21 mL/100 g, respectively. Plants covered by nets produced different levels of EOs (3.46, 2.20, and 0.45 mL/100 g) after 120 min of hydrodistillation. The main components of the thyme essential oil are thymol (44.2–43.9%), γ-terpinene (18.3–16.8%), and p-cymene (16.5–17.4%). The predominant components of mint essential oil are piperitenone oxide (52.6–64.8%) and 1,8 cineole (25.9–16.3%), while lemon balm essential oil consists of the following main components: geranial (34.0–32.8%); neral (21.3–24.9%); and piperitenone oxide (17.2–16.7%). The EOs from non-shaded thyme and mint plants have the highest antioxidant activity (EC50 value 0.54 mg/mL and 3.03 mg/mL). However, shaded lemon balm showed a stronger antioxidant activity (EC50 3.43 mg/mL) than non-shaded plants (12.85 mg/mL) after 60 min of incubation. The EOs from all plants showed significant effects against Escherichia coli, Proteus vulgaris, Bacillus subtilis, Staphylococcus aureus, and Candida albicans. The most active EOs against most of the isolates originated from Thymus vulgaris L., plants. Adequate cultivation techniques, such as shading for Lamiaceae plants, has positive effects, especially in Melissa officinalis L. Shading can achieve a higher content and components in terms of the specific biological activity (antioxidant and microbial) of EOs.

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Nitrogen Effects on the Essential Oil and Biomass Production of Field Grown Greek Oregano (Origanum vulgare subsp. hirtum) Populations

Cited by 8 publications

References 28 publications

Effect of Foliar Treatments with Calcium and Nitrogen on Oregano Yield

Effect of Foliar Treatments with Calcium and Nitrogen on Oregano Yield

Сultivation experiment of Origanum vulgare L. in Northern Kazakhstan using nitrogen fertilizer

Shade-Induced Effects on Essential Oil Yield, Chemical Profiling, and Biological Activity in Some Lamiaceae Plants Cultivated in Serbia

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