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Gu�a pr�ctica para la identificaci�n de algunas enfermedades de trigo y cebada
Gilchrist-Saavedra, L., (2005)
Adoption, Management, and Impact of Hybrid Maize Seed in India
Singh, R.P., (1997)
IDENTIFYING APPROPRIATE GERMPLASM FOR PARTICIPATORY BREEDING: AN EXAMPLE FROM THE CENTRAL VALLEYS OF OAXACA, MEXICO
Bellon, Mauricio R., (2000)