Published

2015-05-01

'INIAP-Palmira 2014': a new drought-resistance barley variety

'INIAP-Palmira 2014': una nueva variedad de cebada con resistencia a la sequía

DOI:

https://doi.org/10.15446/agron.colomb.v33n2.49678

Keywords:

cereals, plant breeding, water stress, disease resistance, Ecuador (en)
cereales, fitomejoramiento, estrés hídrico, resistencia a las enfermedades, Ecuador (es)

Authors

  • Esteban Falconí Instituto Nacional de Investigaciones Agropecuarias (INIAP) / Universidad de Las Américas (UDLA)
  • Javier Garófalo Instituto Nacional de Investigaciones Agropecuarias (INIAP)
  • Luis Ponce Instituto Nacional de Investigaciones Agropecuarias (INIAP)
  • Jorge Coronel Instituto Nacional de Investigaciones Agropecuarias (INIAP)
  • Segundo Abad Instituto Nacional de Investigaciones Agropecuarias (INIAP)
  • Miguel Rivadeneira Instituto Nacional de Investigaciones Agropecuarias (INIAP)
Barley (Hordeum vulgare L.) is produced in the Ecuadorian highlands ( > 3,000 m a.s.l.) primarily for self-consumption and small-scale commercialization. Not many crop species are adapted to this altitude; therefore, barley is one of a few crop species that can be grown at these locations. Severe environmental conditions can be found in the Ecuadorian highlands since the region is characterized by poor soils and water deficiency (< 300 mm yr-1). The Instituto Nacional de Investigaciones Agropecuarias (INIAP) has developed 'INIAP-Palmira 2014', a hulled two-row barley variety adapted to Ecuadorian agricultural conditions in the highlands. 'INIAP-Palmira 2014' showed acceptable yield performance as compared with the most popular improved barley cultivars in different production areas located in Ecuador. However, this new barley variety showed superior performance under water stress conditions in the highlands highlands (>3,000 m a.s.l.). Additionally, 'INIAP-Palmira 2014' showed disease resistance, mainly to yellow rust, in all of the locations where the new variety was evaluated.

La cebada (Hordeum vulgare L. ) es cultivada en la sierra ecuatoriana ( > 3 000 msnm), principalmente, para el autoconsumo y para su comercialización a pequeña escala. No muchas especies de cultivos están adaptadas a esta altitud; por ello, la cebada es una de las pocas especies que pueden ser cultivadas en estos lugares. En la sierra ecuatoriana pueden encontrarse severas condiciones ambientales que se caracterizan principalmente por suelos pobres y escasez de agua con una precipitación anual inferior a 300 mm año-1. El Instituto Nacional de Investigaciones Agropecuarias (INIAP) ha desarrollado la nueva variedad de cebada de dos hileras 'INIAP-Palmira 2014', la cual está adaptada a las condiciones de cultivo de los Andes de Ecuador. 'INIAP-Palmira 2014' mostró un rendimiento similar a las principales variedades mejoradas de cebada cultivadas en las diferentes áreas de producción cebadera de Ecuador. Sin embargo, mostró un rendimiento superior bajo condiciones de estrés hídrico en las tierras altas (>3.000 msnm). Adicionalmente, 'INIAP-Palmira 2014' mostró resistencia a las principales enfermedades de cebada, especialmente a roya amarilla, en todos los sitios donde fue evaluada.

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How to Cite

Falconí, E., Garófalo, J., Ponce, L., Coronel, J., Abad, S., & Rivadeneira, M. (2015). ’INIAP-Palmira 2014’: a new drought-resistance barley variety. Agronomía Colombiana, 33(2), 280-284. https://doi.org/10.15446/agron.colomb.v33n2.49678