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The Influence of H2O2 Application Methods on Melon Plants Submitted to Saline Stress

Author

Listed:
  • Adriana Silva Santos
  • Juliana Formiga Almeida
  • Marcio Santos da Silva
  • Jackson Silva Nóbrega
  • Thais Batista de Queiroga
  • Jescika Alves Ribeiro Pereira
  • Jéssica Aline Linné
  • Fernando Antônio Lima Gomes

Abstract

The salinity in irrigation water is one of the most important causes to decline cultivated plants yield. The H2O2 application has shown efficiency as a stimulator and activator for antioxidative defense system in plants submitted to biotic and abiotic stresses. The objective of this study was to evaluate methods for hydrogen peroxide application as a strategy to minimize the effects of saline stress on melon plants. The experiment was designed in complete randomized blocks and set in 2 × 4 factorial scheme, consisting two levels for irrigation water salinity (S1 = 0.3 and S2 = 2.0 dS m-1) and four methods for hydrogen peroxide application (15 mM), (T1 = no peroxide application, T2= imbibition of seeds, T3 = at sowing, T4 = Foliar spraying), with five repetitions. It was evaluated the following variables at 58 days after transplanting- plant height, stem diameter, number of leaves, number of flowers, shoot dry mass, root dry mass and total dry mass. The results showed that salinity affected the growth, biomass accumulation and plant quality severely, with the highest losses promoted by the electrical conductivity of 2.0 dS m-1.

Suggested Citation

  • Adriana Silva Santos & Juliana Formiga Almeida & Marcio Santos da Silva & Jackson Silva Nóbrega & Thais Batista de Queiroga & Jescika Alves Ribeiro Pereira & Jéssica Aline Linné & Fernando Antônio, 2019. "The Influence of H2O2 Application Methods on Melon Plants Submitted to Saline Stress," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 11(11), pages 245-245, July.
    • Handle: RePEc:ibn:jasjnl:v:11:y:2019:i:11:p:245
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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