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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
BENIGNA PEREIRA, Micaela et al. Growth and photosynthetic pigments of passion fruit (Passiflora edulis) seedlings under foliar fertilization with nitrogen and irrigated with saline water. Dyna rev.fac.nac.minas [online]. 2022, vol.89, n.224, pp.58-65. Epub 17-Feb-2023. ISSN 0012-7353. https://doi.org/10.15446/dyna.v89n224.100919.
In the semiarid region of Brazil, salts found in water used in irrigation. The objective of was to analyze the influence of foliar fertilization with nitrogen as a mitigation of the salt stress of passion fruit seedlings. The design was randomized blocks, with the treatments generated from the Box’s Central Composite matrix, with five electrical conductivities of irrigation water (ECw) (0.50; 0.98; 2.15; 3.32; 3.80 dS m-1) and five doses of foliar nitrogen fertilization (0.0; 0.30; 1.15; 1.97; 2.30 g L-1), with four replicates. The growth and photosynthetic pigments were evaluated Application of nitrogen doses attenuated the effect of salinity on morphophysiological aspects of passion fruit seedlings. The increase in the salinity of the water caused negative effects on the characteristics the growth and photosynthetic pigments.
Palabras clave : salt stress; morphophysiology; brazilian semi-arid region.