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  1. By: Gómez-Martínez, Martha - Reyes-Valdés, M. Humberto - Martínez-Reyna, Juan Manuel - Escobedo-Bocardo, Leticia - García-Osuna, Hermila T.
    Type: Article
    In: Acta botánica mexicana
    Date: 2010-10-01
    Subjects: cruzamientos intergenéricos  Helianthus annuus  rescate de embriones  Tithonia rotundifolia