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Boro e estresse hídrico na produção do girassol
Com este trabalho, objetivou-se estudar sob condicoes de casa-de-vegetacao, o efeito da interacao doses boro e estresse hidrico na producao de materia seca total, producao de aquenios e conteudo deExpand
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Growth‐ and leaf‐temperature effects on photosynthesis of sweet orange seedlings infected with Xylella fastidiosa
The effects of growth and leaf temperature on photosynthesis were evaluated in sweet orange seedlings (Citrus sinensis cv. Pera) infected with Xylella fastidiosa (the bacterium that causes citrusExpand
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Gas exchange and yield response to foliar phosphorus application in Phaseolus vulgaris L. under drought
This study was conducted to evaluate the effect of foliar Pi application on gas exchange and yield of bean genotypes submitted to a mild water deficit at the pre-flowering stage. In the firstExpand
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The role of inorganic phosphate on photosynthesis recovery of common bean after a mild water deficit
Abstract A foliar spray of inorganic phosphate (Pi) was applied at the pollination stage of two common bean genotypes A320 and Ouro Negro, growing in pots in a greenhouse. Two days after the foliarExpand
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Photosynthetic responses of tropical tree species from different successional groups under contrasting irradiance conditions
This study evaluated the photosynthetic responses of seven tropical trees of different successional groups under contrasting irradiance conditions, taking into account changes in gas exchange andExpand
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Early photosynthetic responses of sweet orange plants infected with Xylella fastidiosa
Abstract Photosynthetic processes of sweet orange plants [Citrus sinensis (L.) Osbeck cv. Pera] infected with Xylella fastidiosa were investigated. Simultaneous measurements of leaf gas exchanges andExpand
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Efeito da aplicação de piraclostrobina na taxa fotossintética, respiração, atividade da enzima nitrato redutase e produtividade de grãos de soja
With the aim to evaluate the effect of the pyraclostrobin application on physiological and phenometric variables in soybean crop, a field experiment was carried from November 2005 to May 2006.Expand
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Chlorophyll fluorescence of tropical tree species in a semi-deciduous forest gap
ABSTRACT - The characterization of different ecological groups in a forest formation/succession is unclear. Tobetter define the different successional classes, we have to consider ecophysiologicalExpand
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Sistema radicular do Panicum maximum Jacq. cv. IPR-86 Milênio adubado com nitrogênio e submetido à lotação rotacionada
The effect of nitrogen on the root system of the species Panicum maximum Jacq. cv. IPR-86 Milenio, under grazing, was evaluated. The N rates were 0; 150; 300 and 450 kg/ha.year. The root density wasExpand
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Boron and water stress on yield of sunflower
Com este trabalho, objetivou-se estudar sob condicoes de casa-de-vegetacao, o efeito da interacao doses boro e estresse hidrico na producao de materia seca total, producao de aquenios e conteudo deExpand
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