Yield and quality of inflorescences of 'Golden Torch' heliconia in different shaded environments/Produtividade e qualidade de inflorescencias de heliconias 'golden torch' em diferentes ambientes de sombreamento

Light is one of the factors that most affect crop growth and yield. However, the control of light intensity is difficult, because, under certain environmental conditions, light energy may exceed or limit the capacity of plants to use it. In this sense, the productive behavior of plant species in sha...

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Veröffentlicht in:Revista brasileira de engenharia agrícola e ambiental 2016-02, p.128
Hauptverfasser: de Souza, Rafaela R, Beckmann-Cavalcante, Markilla Z, Silva, Alcilane A, da Silva, Everaldo M, Brito, Leonardo P. da S, Silva, Adriano O
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container_title Revista brasileira de engenharia agrícola e ambiental
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creator de Souza, Rafaela R
Beckmann-Cavalcante, Markilla Z
Silva, Alcilane A
da Silva, Everaldo M
Brito, Leonardo P. da S
Silva, Adriano O
description Light is one of the factors that most affect crop growth and yield. However, the control of light intensity is difficult, because, under certain environmental conditions, light energy may exceed or limit the capacity of plants to use it. In this sense, the productive behavior of plant species in shaded environments needs to be known. This study aimed to evaluate the effect of different shaded environments with black shade nets [0 (full sun), 35 and 50%, and overlap 35 + 50% shading nets] on flowering, yield and quality of inflorescences of Heliconia psittacorum (cv. 'Golden Torch'). The shaded environments caused a reduction in the number of days for inflorescence emergence and in the cycle of H. psittacorum (cv. 'Golden Torch'). The yield and quality of inflorescences of plants grown under full-sun conditions (0% shading) were impaired. The results indicate that, for a better management of the crop environment, aiming yield and quality of inflorescences of H. psittacorum (cv. 'Golden Torch'), the use of black shade nets with 50% shading is recommended. Key words: flowering heliconiaceae luminosity A luz e um dos fatores que mais afetam o crescimento e a produtividade das culturas; no entanto, o controle da intensidade luminosa e dificil visto que em determinadas condicoes ambientais a energia luminosa pode exceder ou limitar a capacidade que a planta tem de utiliza-la; neste sentido, o comportamento produtivo das especies em ambientes sombreados necessita ser conhecido. Objetivou-se, no presente estudo, avaliar o efeito de diferentes ambientes de sombreamento com telas tipo sombrite de cor preta [0 (pleno sol), 35 e 50% e sobreposicao de telas com malhas de 35 + 50%] sobre o florescimento, produtividade e qualidade de inflorescencias de Heliconia psittacorum (cv. 'Golden Torch'). Os ambientes de sombreamento promoveram reducao no numero de dias para emissao da inflorescencia e no ciclo das plantas de H. psittacorum (cv. 'Golden Torch'). A produtividade e a qualidade de inflorescencias das plantas cultivadas em condicoes de pleno sol (0% de sombreamento) foram prejudicadas. Os resultados indicam que, para um manejo melhor do ambiente de cultivo visando a produtividade e a qualidade de inflorescencias de H. psittacorum (cv. 'Golden Torch') sugere-se a utilizacao de telas tipo sombrite com malha preta de 50%. Palavras-chave: florescimento heliconiaceae luminosidade
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However, the control of light intensity is difficult, because, under certain environmental conditions, light energy may exceed or limit the capacity of plants to use it. In this sense, the productive behavior of plant species in shaded environments needs to be known. This study aimed to evaluate the effect of different shaded environments with black shade nets [0 (full sun), 35 and 50%, and overlap 35 + 50% shading nets] on flowering, yield and quality of inflorescences of Heliconia psittacorum (cv. 'Golden Torch'). The shaded environments caused a reduction in the number of days for inflorescence emergence and in the cycle of H. psittacorum (cv. 'Golden Torch'). The yield and quality of inflorescences of plants grown under full-sun conditions (0% shading) were impaired. The results indicate that, for a better management of the crop environment, aiming yield and quality of inflorescences of H. psittacorum (cv. 'Golden Torch'), the use of black shade nets with 50% shading is recommended. Key words: flowering heliconiaceae luminosity A luz e um dos fatores que mais afetam o crescimento e a produtividade das culturas; no entanto, o controle da intensidade luminosa e dificil visto que em determinadas condicoes ambientais a energia luminosa pode exceder ou limitar a capacidade que a planta tem de utiliza-la; neste sentido, o comportamento produtivo das especies em ambientes sombreados necessita ser conhecido. Objetivou-se, no presente estudo, avaliar o efeito de diferentes ambientes de sombreamento com telas tipo sombrite de cor preta [0 (pleno sol), 35 e 50% e sobreposicao de telas com malhas de 35 + 50%] sobre o florescimento, produtividade e qualidade de inflorescencias de Heliconia psittacorum (cv. 'Golden Torch'). Os ambientes de sombreamento promoveram reducao no numero de dias para emissao da inflorescencia e no ciclo das plantas de H. psittacorum (cv. 'Golden Torch'). A produtividade e a qualidade de inflorescencias das plantas cultivadas em condicoes de pleno sol (0% de sombreamento) foram prejudicadas. Os resultados indicam que, para um manejo melhor do ambiente de cultivo visando a produtividade e a qualidade de inflorescencias de H. psittacorum (cv. 'Golden Torch') sugere-se a utilizacao de telas tipo sombrite com malha preta de 50%. 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However, the control of light intensity is difficult, because, under certain environmental conditions, light energy may exceed or limit the capacity of plants to use it. In this sense, the productive behavior of plant species in shaded environments needs to be known. This study aimed to evaluate the effect of different shaded environments with black shade nets [0 (full sun), 35 and 50%, and overlap 35 + 50% shading nets] on flowering, yield and quality of inflorescences of Heliconia psittacorum (cv. 'Golden Torch'). The shaded environments caused a reduction in the number of days for inflorescence emergence and in the cycle of H. psittacorum (cv. 'Golden Torch'). The yield and quality of inflorescences of plants grown under full-sun conditions (0% shading) were impaired. The results indicate that, for a better management of the crop environment, aiming yield and quality of inflorescences of H. psittacorum (cv. 'Golden Torch'), the use of black shade nets with 50% shading is recommended. Key words: flowering heliconiaceae luminosity A luz e um dos fatores que mais afetam o crescimento e a produtividade das culturas; no entanto, o controle da intensidade luminosa e dificil visto que em determinadas condicoes ambientais a energia luminosa pode exceder ou limitar a capacidade que a planta tem de utiliza-la; neste sentido, o comportamento produtivo das especies em ambientes sombreados necessita ser conhecido. Objetivou-se, no presente estudo, avaliar o efeito de diferentes ambientes de sombreamento com telas tipo sombrite de cor preta [0 (pleno sol), 35 e 50% e sobreposicao de telas com malhas de 35 + 50%] sobre o florescimento, produtividade e qualidade de inflorescencias de Heliconia psittacorum (cv. 'Golden Torch'). Os ambientes de sombreamento promoveram reducao no numero de dias para emissao da inflorescencia e no ciclo das plantas de H. psittacorum (cv. 'Golden Torch'). A produtividade e a qualidade de inflorescencias das plantas cultivadas em condicoes de pleno sol (0% de sombreamento) foram prejudicadas. Os resultados indicam que, para um manejo melhor do ambiente de cultivo visando a produtividade e a qualidade de inflorescencias de H. psittacorum (cv. 'Golden Torch') sugere-se a utilizacao de telas tipo sombrite com malha preta de 50%. 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However, the control of light intensity is difficult, because, under certain environmental conditions, light energy may exceed or limit the capacity of plants to use it. In this sense, the productive behavior of plant species in shaded environments needs to be known. This study aimed to evaluate the effect of different shaded environments with black shade nets [0 (full sun), 35 and 50%, and overlap 35 + 50% shading nets] on flowering, yield and quality of inflorescences of Heliconia psittacorum (cv. 'Golden Torch'). The shaded environments caused a reduction in the number of days for inflorescence emergence and in the cycle of H. psittacorum (cv. 'Golden Torch'). The yield and quality of inflorescences of plants grown under full-sun conditions (0% shading) were impaired. The results indicate that, for a better management of the crop environment, aiming yield and quality of inflorescences of H. psittacorum (cv. 'Golden Torch'), the use of black shade nets with 50% shading is recommended. Key words: flowering heliconiaceae luminosity A luz e um dos fatores que mais afetam o crescimento e a produtividade das culturas; no entanto, o controle da intensidade luminosa e dificil visto que em determinadas condicoes ambientais a energia luminosa pode exceder ou limitar a capacidade que a planta tem de utiliza-la; neste sentido, o comportamento produtivo das especies em ambientes sombreados necessita ser conhecido. Objetivou-se, no presente estudo, avaliar o efeito de diferentes ambientes de sombreamento com telas tipo sombrite de cor preta [0 (pleno sol), 35 e 50% e sobreposicao de telas com malhas de 35 + 50%] sobre o florescimento, produtividade e qualidade de inflorescencias de Heliconia psittacorum (cv. 'Golden Torch'). Os ambientes de sombreamento promoveram reducao no numero de dias para emissao da inflorescencia e no ciclo das plantas de H. psittacorum (cv. 'Golden Torch'). A produtividade e a qualidade de inflorescencias das plantas cultivadas em condicoes de pleno sol (0% de sombreamento) foram prejudicadas. Os resultados indicam que, para um manejo melhor do ambiente de cultivo visando a produtividade e a qualidade de inflorescencias de H. psittacorum (cv. 'Golden Torch') sugere-se a utilizacao de telas tipo sombrite com malha preta de 50%. Palavras-chave: florescimento heliconiaceae luminosidade</abstract><pub>ATECEL--Associacao Tecnico Cientifica Ernesto Luiz de Oliveira Junior</pub><doi>10.1590/1807-1929/agriambi.v20n2p128-132</doi></addata></record>
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title Yield and quality of inflorescences of 'Golden Torch' heliconia in different shaded environments/Produtividade e qualidade de inflorescencias de heliconias 'golden torch' em diferentes ambientes de sombreamento
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