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Planting time for maximization of yield of vinegar plant calyx (Hibiscus sabdariffa L.) Organic Eprints
Castro, Nilmar Eduardo Arbex de; Pinto, José Eduardo Brasil Pereira; Cardoso, Maria das Graças; Morais, Augusto Ramalho de; Bertolucci, Suzan Kelly V.; Silva, Fabiano Guimarães da; Delú Filho, Nelson.
Objetivou-se avaliar a produtividade de cálices de Hibiscus sabdariffa L., planta medicinal, em quatro épocas de plantio em Lavras M.G. Os tratamentos foram quatro épocas de plantio (18 de outubro; 15 de novembro; 18 de dezembro de 2001 e 15 de janeiro de 2002) e realizada uma colheita quando praticamente não existiam cálices em desenvolvimento, quase no final do ciclo da planta. Foram considerados os números de cálices por planta, as fitomassas frescas e secas dos cálices e a qualidade. Concluiu-se que a época de plantio influenciou o rendimento por planta e as fitomassas frescas e secas dos cálices, diferindo entre si pelo teste de Tukey a 5%. No plantio de outubro, houve maior rendimento (2.522 kg/ha), com produção de 5,24 vezes a mais em relação ao...
Tipo: Journal paper Palavras-chave: "Organics" in general Crop health; Quality; Protection.
Ano: 2004 URL: http://orgprints.org/20376/1/Castro_planting.pdf
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The growth, photosynthetic pigments and essential oil composition of monocropped and intercropped lemon balm with yarrow Agronomy
Silva, Thaís Cristina; Pinto, José Eduardo Brasil Pereira; Pacheco, Fernanda Ventorim; Roza, Heitor Luiz Heiderich; Lordêllo, Diogo Mendes da Silva; Bertolucci, Suzan Kelly Vilela.
The purpose of this study was to assess the influence of lemon balm intercropping with yarrow on the vegetative growth, photosynthetic pigments and essential oil contents as well as the chemical composition of essential oils. Accordingly, the lemon balm and yarrow monocroppings were compared to the intercropping of both species. The plants were cultivated for 120 days under field conditions. The experimental design followed randomized blocks with seven repetitions. Growth was assessed through the accumulation of shoot dry matter and through the leaf area. The photosynthetic pigment content was set based on the fully expanded leaves from five plants in each treatment. The essential oil was extracted through the hydrodistillation of the lemon balm leaves and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Melissa officinalis L.; Achillea millefolium L.; Intercropping; Gas chromatography.; Cultivo de Plantas Medicinais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35506
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The growth, photosynthetic pigments and essential oil composition of monocropped and intercropped lemon balm with yarrow Agronomy
Silva, Thaís Cristina; Pinto, José Eduardo Brasil Pereira; Pacheco, Fernanda Ventorim; Roza, Heitor Luiz Heiderich; Lordêllo, Diogo Mendes da Silva; Bertolucci, Suzan Kelly Vilela.
The purpose of this study was to assess the influence of lemon balm intercropping with yarrow on the vegetative growth, photosynthetic pigments and essential oil contents as well as the chemical composition of essential oils. Accordingly, the lemon balm and yarrow monocroppings were compared to the intercropping of both species. The plants were cultivated for 120 days under field conditions. The experimental design followed randomized blocks with seven repetitions. Growth was assessed through the accumulation of shoot dry matter and through the leaf area. The photosynthetic pigment content was set based on the fully expanded leaves from five plants in each treatment. The essential oil was extracted through the hydrodistillation of the lemon balm leaves and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ciências Agrárias; Agronomia; Fitotecnia Melissa officinalis L.; Achillea millefolium L.; Intercropping; Gas chromatography. Cultivo de Plantas Medicinais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35506
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Use of light-emitting diode (LED) in the physiology of cultivated plants – review Sci. Agrar.Paran. / SAP
Lazzarini, Luiz Eduardo Santos; Pacheco, Fernanda Ventorim; Silva, Samia Torres; Coelho, Adriane Duarte; Medeiros, Ana Paula Ribeiro; Bertolucci, Suzan Kelly Vilela; Pinto, José Eduardo Brasil Pereira; Soares, Joyce Doria Rodrigues.
The objective of this study was to demonstrate the effects of the use of LED bulbs in the physiology of cultivated plants. Light-emitting diodes (LEDs) have been proposed as a light source for controlled environments or in plant growth chambers, since they have desirable characteristics for plant development. The development and physiology of plants are strongly influenced by the environment light spectrum provided by the LEDs, among which we can mention the blue, red, green, and their combinations. The blue light, for example, is responsible for a number of important photomorphogenetic features in plants, including stomatal control. Studies indicate that the red wavelength is efficiently absorbed by the pigments present in the plants, since its wavelength...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chlorophyll; Light energy; Light spectrum; Photosynthesis; Pigments..
Ano: 2017 URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/16972
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