Espinosa A, Tadeo M, Piña del Valle A, Martínez R. Generation of corn (Zea mays L.) hybrids from the high valleys of Mexico and its use by small seed companies. Agron. Mesoam. [Internet]. 2016Jun.2 [cited 2024May6];6:148-50. Available from: https://revistas.ucr.ac.cr/index.php/agromeso/article/view/24822