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Evaluation of some pepper genotypes as rootstocks in water stress conditions

Author

Listed:
  • C. Penella

    (Departamento de Horticultura, Instituto Valenciano de Investigaciones Agrarias, Valencia, Spain)

  • S.G. Nebauer

    (Departamento de Producción Vegetal, Universitat Politècnica de València, Valencia, Spain)

  • S. López-Galarza

    (Departamento de Producción Vegetal, Universitat Politècnica de València, Valencia, Spain)

  • A. San Bautista

    (Departamento de Producción Vegetal, Universitat Politècnica de València, Valencia, Spain)

  • A. Rodríguez-Burruezo

    (Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Ciudad Politécnica de la Innovación. Universitat Politècnica de València, Valencia, Spain)

  • A. Calatayud

    (Departamento de Horticultura, Instituto Valenciano de Investigaciones Agrarias, Valencia, Spain)

Abstract

Water stress is a major environmental factor that limits crop production and it is important to develop crop varieties with higher yield under water scarcity. Increased pepper tolerance to water stress through grafting onto robust rootstocks could be an optimal alternative in the context of environmentally friendly agriculture. Our work evaluated the behaviour of 18 pepper genotypes during vegetative and reproductive stages under water stress in order to select tolerant genotypes to be used as rootstocks for pepper cultivation. The pepper tolerance screening was based on photosynthetic parameters. The genotypes Atlante, C-40, Serrano, PI-152225, ECU-973, BOL-58 and NuMex Conquistador were revealed as the most tolerant genotypes to water stress because they maintained net photosynthetic rate levels under water stress conditions. The selected genotypes were validated as rootstocks on a pepper cultivar in terms of productivity under severe water stress. Plants grafted onto cvs Atlante, PI-152225 and ECU-973 showed higher marketable yields when compared with ungrafted cultivar.

Suggested Citation

  • C. Penella & S.G. Nebauer & S. López-Galarza & A. San Bautista & A. Rodríguez-Burruezo & A. Calatayud, 2014. "Evaluation of some pepper genotypes as rootstocks in water stress conditions," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 41(4), pages 192-200.
    • Handle: RePEc:caa:jnlhor:v:41:y:2014:i:4:id:163-2013-hortsci
    DOI: 10.17221/163/2013-HORTSCI
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