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| Dutra,Wellison F.; Melo,Alberto S. de; Dutra,Alexson F.; Brito,Marcos E. B.; Filgueiras,Luanna M. B.; Meneses,Carlos H. S. G.. |
| ABSTRACT To evaluate the photosynthetic efficiency, gas exchange and yield of castor bean intercropped with peanut under Brazilian semiarid conditions, a field experiment was set up with six treatments and four replicates arranged in a randomized block design. The experiment consisted of the cultivation of castor bean ‘BRS Energia’ in a monocrop system and intercropped with peanut ‘BR 1’. One treatment was formed by monocropped castor bean and the others by the castor bean intercropped with peanut with different intercrop establishment times, i.e. peanut sowing times (0, 10, 15, 20 and 25 days after castor bean sowing). The castor bean photosynthetic and carboxylation efficiencies were higher in the intercrop system with a 25-day interval between sowings.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chlorophyll fluorescence; Photosynthesis; Ricinus communis L.; Yield. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000200106 |
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| Lima,Maria S. R.; Rocha,Maria do S.; Melo,Alberto S. de; Dutra,Wellison F.. |
| ABSTRACT The sesame crop has stood out due to the high nutritional content of its seeds, in addition to being able to be cultivated in the tropical and subtropical regions such as Northeast Brazil. Thus, it is necessary to identify the physiological, biochemical and productive changes related to the tolerance to stress. Objective of this study was to evaluate the physiological, biochemical and productive aspects of sesame genotypes as a function of different rates of water replenishment. The experiment was carried out at the Embrapa Cotton Experimental Unit, located in the municipality of Barbalha-CE, Brazil, under field conditions. The experiment was carried out in a randomized complete block design, with treatments in a factorial scheme (4 × 6),... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sesamum indicum L.; Evapotranspiration; Antioxidant enzymes. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662018000300176 |
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| Silva,Flaviana G. da; Dutra,Wellison F.; Dutra,Alexson F.; Oliveira,Izaac M. de; Filgueiras,Luanna M. B.; Melo,Alberto S. de. |
| RESUMOA berinjela tem grande importância nutricional e socioeconômica, sendo cultivada e comercializada em vários países, principalmente em ambiente protegido; sua produção, assim como a de inúmeros cultivos agrícolas, é dependente de fatores como água, nutrientes e luz; propôs-se, assim, com este trabalho, avaliar as trocas gasosas, fluorescência da clorofila a e temperatura foliar de berinjela cultivada em ambiente protegido em diferentes lâminas de irrigação. O estudo foi realizado em casa de vegetação utilizando-se delineamento inteiramente casualizado, com 5 tratamentos e oito repetições, totalizando 40 unidades experimentais. Os tratamentos constaram de cinco lâminas de irrigação: 33, 66, 100, 133 e 166% da ETc, as quais corresponderam a 133, 266,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Solanum melongena L.; Reposição hídrica; Fotossíntese; Eficiência fotoquímica. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001000946 |
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