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- Title
MORFOFISIOLOGIA E QUALIDADE DE MUDAS DE MARACUJAZEIRO SOB DIFERENTES NATUREZAS CATIÔNICAS DA ÁGUA E H<sub>2</sub>O<sub>2</sub>.
- Authors
LIMA SILVA, JOSÉ JOEDSON; SOARES DE LIMA, GEOVANI; DOS ANJOS SOARES, LAURIANE ALMEIDA; ALMEIDA ROQUE, IARA; VIEIRA DANTAS, MAÍLA; DE ANDRADE SILVA, LUDERLÂNDIO
- Abstract
Over the years, water salinity has become one of the main obstacles in the agricultural sector. This study aimed to evaluate the growth and quality of passion fruit cv. BRS GA1 as a function of different cationic nature of the water and exogenous application of hydrogen peroxide. The experiment was conducted in greenhouse conditions at the Center of Agrifood Science and Technology of the Federal University of Campina Grande, Pombal, Brazil, using a randomized block design, with a 6 x 4 factorial, corresponding to six combinations of water salinity [S1 - Control (0,3 dS m-1); S2 - Na+; S3 - Ca2+; S4 - Na+ + Ca2+; S5 - Mg2+ and S6 - Na+ + Ca2+ + Mg2+] and four concentrations of hydrogen peroxide - H2O2 (0, 20, 40 and 60 µM), with four repetitions. With the exception of S1, the other treatments were irrigated with water of 3.6 dS m-1. The 40 µM concentration of H2O2 reduced the salt stress effect on leaf area of plants irrigated with water consisting of Na+, Na+ + Ca2+ and Na+ + Ca2+ + Mg2+. The 20 and 40 μM concentrations of H2O2 increased the Dickson quality index of plants irrigated with water consisting of Na+ + Ca2+ + Mg2+.
- Publication
Revista IRRIGA - Brazilian Journal of Irrigation & Drainage, 2021, p184
- ISSN
1413-7895
- Publication type
Article
- DOI
10.15809/irriga.2021v1n1p184-205