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Gas exchange in 'BRS Princesa' banana ( Musa spp.) under partial rootzone drying irrigation in the north of Minas Gerais, Brazil Acta Agron. (Palmira)
Santos,Marcelo Rocha dos; Rodrigues Donato,Sérgio Luiz; Arantes,Alessandro de Magalhães; Coelho,Eugênio Ferreira; Oliveira,Polyanna Mara de.
Abstract This research aimed to evaluate physiological characteristics of 'BRS Princesa' banana under partial rootzone drying irrigation, PRD. The five treatments, 1 - 50% of reduction in water depth (WD) with a frequency alternation of irrigation side (FA) of seven days during the whole production cycle; 2 - 50% of WD and FA of 14 days in the cycle; 3 - 50% of WD and FA of 21 days; 4 - 50% of WD with a fixed irrigation (only one lateral line on one side of the plant); and 5 - full irrigation (two lateral lines with open shutoff valve) throughout the cycle, they were arranged in a randomized block design with five replicates. There is a reduction in photosynthetic rates and water use efficiency as a result of enzymatic impairment or stomatal closure, due...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Abiotic stress; Irrigation techniques; Photosynthetic rate; Stomatal closure; Vegetative growth; Water deficit.
Ano: 2017 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000300378
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