Optimum Harvesting Time of Four<i>Mentha</i>Species in Northern Finland

Aflatuni, Abbas; Uusitalo, Jouko; Ek, Sari; Hohtola, Anja

doi:10.1080/10412905.2006.9699043

Cited by 7 publications

(5 citation statements)

References 9 publications

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“…It is seen that the highest amount of essential oil occurs in the harvests at 100% flowering (2.5%), followed by budding (2.2%), 50% flowering (2.1%) and the beginning of flowering (2.0%). The result obtained from the study corresponds to those published by Aflatuni et al (2006), who studied four mint species and reported that the highest essential oil ratio was obtained at the beginning of flowering, which differed from the findings of Topalov et al (1991), Çalışkan and Özgüven (2018), who reported that it occurred at 50% flowering period. Duriyaprapan and Britten (1982) reported that the essential oil rate increased at 100% flowering period.…”

Section: Resultscontrasting

confidence: 48%

Effects of harvest stage and diurnal variability on yield and essential oil content in Mentha × piperita L.

Yeşil¹,

Özcan²

2021

Plant Soil Environ.

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This study aimed at investigating the effect of ontogenetic and diurnal variability on yield and quality criteria of Mentha piperita. The research was conducted in the Ordu province of Turkey for two years. The trial was established in a randomised complete block design with 3 replications according to factorial regulations. Four different harvesting periods (budding, first flowering, 50% flowering, 100% flowering) and three harvesting hours (9:00 a.m., 1:00 p.m., 5:00 p.m.) were evaluated. A significant difference was determined between the trial years in all characters examined: plant height 55.9–69.0 cm, fresh herb yield 3 236–16 438 kg/ha, drug-herb yield 1 748–2 862 kg/ha, fresh leaf yield 3 477–4 506 kg/ha, drug leaf yield 968–1 253 kg/ha, essential oil ratio 2.0–2.5% and essential oil yield that varied between 19–28 L/ha. The highest yields were obtained at the beginning of flowering in drug leaf yield and 100% flowering period for all other characteristics. Diurnal variability was statistically significant only in the rate of essential oil, and the highest rate occurred in the 9:00 a.m. harvest.

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Section: Resultscontrasting

confidence: 48%

Effects of harvest stage and diurnal variability on yield and essential oil content in Mentha × piperita L.

Yeşil¹,

Özcan²

2021

Plant Soil Environ.

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“…Pinching or cutting plants produced good appearance of vegetative growth parameters, except, plant height, these results are close to those obtained by Aflatuni et al (2006) The interaction between compost levels and pinching number treatments was significant for vegetative growth parameters in both seasons. The highest values for cineraria height were compost at 100 g/pot plus no pinching, in.…”

Section: Vegetative Growth Parameterssupporting

confidence: 87%

Influence of Compost Fertilization and Pinching Number on Growth and Flowering of Cineraria Plant

Abdou

Fouad

Hassan

2023

Scientific Journal of Agricultural Sciences

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The present work was undertaken at the Nursery of Floriculture Plants, Faculty of Agriculture, Minia University, through the two growing seasons of 2021/2022 and 2022/2023, to evaluate the impact of compost fertilization levels (0, 50, 75 and 100 g/pot) and pinching treatments (no pinching, pinched once, -twice and -thrice), moreover, their interaction on vegetative growth, flowering parameters and some chemical composition of Cineraria hybrida plant. All compost levels significantly enhanced vegetative growth traits (plant height, stem diameter, number of branches and leaves/plant, leaf area and plant aerial parts dry weights), flowering traits (days taken to first flowering, number of flowers/plant, diameter and area of floral disc, flowering fresh weight and flowering duration) and chemical constituents [photosynthetic pigments (mg/g) and NPK (%)] comparing with control. In all cases, 100 g/pot compost was more effective in this concern. Pinching treatments significantly decreased plant height, in the same time, significantly increased the other abovementioned characters. In most cases, the treatment of pinching plants twice was the best treatment in this concern. The best interaction treatment was supplying plants with 100 g/pot compost plus pinched plants twice for good appearance of cineraria plant.

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“…Os teores de mentol foram maiores na segunda colheita, o que também foi constatado por Aflatuni et al (2006) obtendo 80 e 88% de mentol na primeira e segunda colheitas, respectivamente. A mesma tendência não foi observada por Zheljazkov et al (2010) folhas velhas e a segunda colheita aos 60 dias após a rebrota, logo no início do florescimento.…”

Section: Resultado E Discussãounclassified

“…Estudos realizados no Distrito Federal com Mentha canadensis L., por Gracindo et al, (2006) observaram teores de óleo essencial de 4,17%, contendo 65 % de mentol. Monteiro (2009) avaliou espaçamentos e épocas de colheita do genótipo usado neste trabalho, em Curitiba, obtendo teor de óleo essencial de 2,8% contendo 82 a 85,6% de mentol, enquanto Aflatuni et al, (2006) testaram diferentes épocas de colheita no hemisfério norte, com teores de óleo essencial variando de 1,7 a 2,8%, com 78 a 88% de mentol.…”

Section: Introductionunclassified

“…Plantios tradicionais usam estolões a 5 cm de profundidade, de forma contínua (ponta com ponta), com espaçamento de 50 cm (Patra et al, 2000). Estudos sobre a influência da época de colheita na quantidade e qualidade do óleo essencial são inúmeros (Aflatuni et al, 2006;Deschamps et al, 2008;Monteiro, 2009;Zheljazkov et al, 2010a) e exigem avaliação regional em função da interação das condições ambientais locais com o metabolismo vegetal.…”

Section: Introductionunclassified

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Alternativas de propagação na produção de óleo essencial de Mentha canadensis L. no Litoral Norte Catarinense

Bizzo

Deschamps

2012

Rev. bras. plantas med.

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RESUMO:O gênero Mentha é cultivado mundialmente para a produção de óleo essencial, com ênfase no constituinte mentol, amplamente utilizado nas indústrias farmacêutica, cosmética, alimentícia e de higiene pessoal. Este trabalho teve como objetivo avaliar o efeito da utilização de diferentes estruturas de propagação e épocas de colheita de Mentha canadensis L. no Litoral Norte Catarinense. O delineamento experimental foi em blocos ao acaso em esquema fatorial 4x2, comparando quatro estruturas de propagação (estolões com 10, 15 e 20 cm de comprimento e estacas com 5 cm de comprimento) e duas épocas de colheita (95 dias após o plantio e 60 dias após a rebrota). Em cada colheita foi avaliado o crescimento vegetativo e produtividade de óleo essencial e de mentol. Na primeira colheita, houve maior acúmulo de massa seca de folhas, caules e total; produtividade de óleo essencial e de mentol quando o plantio foi realizado com mudas obtidas por estaquia. Na segunda colheita, no entanto, não houve diferença significativa entre os tratamentos para todas as variáveis analisadas. A primeira colheita resultou em médias superiores em relação à segunda colheita à exceção do plantio por estolão com 10 cm em todas as variáveis e estolão com 20 cm para a massa seca de caules. Os constituintes majoritários do óleo essencial foram mentol, mentona e neomentol. Os teores de mentol foram significativamente superiores na segunda colheita e de mentona na primeira colheita, sendo que o neomentol não apresentou diferença significativa em ambas as colheitas. Os resultados obtidos sugerem que a colheita antecipada da rebrota proporciona maior concentração de mentol no óleo essencial. O uso de estolões como estrutura de propagação pode ser considerada uma alternativa viável para menta, pois além de apresentar níveis similares de produção de óleo essencial e de mentol a partir da segunda colheita ao de áreas implantadas com mudas, diminui o custo de produção. Palavras-chave:Mentha canadensis, Lamiaceae, menta, mentol, estolões, estaquia ABSTRACT: Propagation alternatives for the production of Mentha canadensis L. essential oil at the Santa Catarina State northern coast. The genus Mentha is cultivated worldwide for essential oil production, with emphasis on its major constituent, menthol, which is used in the pharmaceutical, cosmetics, and food industries and for personal care. This work investigates the use of different propagation structures and harvesting times of Mentha canadensis L., in the Santa Catarina State north coast. The experimental design was in randomized blocks in a 4X2 factorial, comparing four propagation structures (stolon with 10, 15 and 20 cm and stem cuttings with 5 cm) and two harvesting times (95 days after planting and 60 days after the regrowth). In each harvesting time, the vegetative growth, essential oil and menthol productivities were evaluated. The first harvest showed greater leaf, branch and total dry mass accumulation, and essential oil and menthol productivities when stem cuttings were used. In the second harves...

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Optimum Harvesting Time of FourMenthaSpecies in Northern Finland

Cited by 7 publications

References 9 publications

Effects of harvest stage and diurnal variability on yield and essential oil content in Mentha × piperita L.

Effects of harvest stage and diurnal variability on yield and essential oil content in Mentha × piperita L.

Influence of Compost Fertilization and Pinching Number on Growth and Flowering of Cineraria Plant

Alternativas de propagação na produção de óleo essencial de Mentha canadensis L. no Litoral Norte Catarinense

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