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Title: Bean seeds under salt stress as a function of nitric oxide
Authors: Maciel, Khétrin Silva
Muniz de Lima, Paula Aparecida
Moraes, Simone de Paiva Caetano Bucker
Alexandre, Rodrigo Sobreira
Lopes, José Carlos
Keywords: Phaseolus vulgaris L.;Sodium chloride;Salinity;Phytochemical;Sildenafil Citrate;Germination
Issue Date: Oct-2018
Publisher: NISCAIR-CSIR, India
IPC Code: Int. Cl.8: A01, A61K 36/00, C01D 3/04, A01B, B09C 1/00, A01C 1/02, A01D 45/22, C01B 21/24
Abstract: The objective of this study was to evaluate the bean seeds under salt stress as a function of nitric oxide (NO). Four bean genotypes (Phaseolus vulgaris L.) seeds G1 = peanut; G2 = white carioca; G3 = red carioca and G4 = black that were previously immersed in four sildenafil citrate concentrations: 0; 25; 50 and 75 mg L-1 for 120 min, and placed to germinate under induced stress with NaCl at -0.8 MPa, on a germitest paper roll. The design was completely randomized, with four replicates per treatment and for the effect of sildenafil citrate concentrations, the data were submitted to regression analysis. Salinity stress with sodium chloride at -0.8 MPa reduces bean genotypes germination and seed vigor. Sildenafil citrate at a concentration of 50 mg L-1 reduced the effect of salinity stress on bean genotypes, and G1 and G3 showed a greater response under salinity stress with sodium chloride at -0.8 MPa.
Page(s): 795-801
ISSN: 0975-1068 (Online); 0972-5938 (Print)
Appears in Collections:IJTK Vol.17(4) [October 2018]

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