The effects of nonrandom seed abortion on progeny vigor in Phoseolus coccineus L. (Leguminosae): by Oscar J. Rocha Núñez - Rocha Núñez, Oscar J. (Pennsylvania : O J Rocha N, 1990)
Tesis (doctorado en filosofia)--The Pennsylvania State University. The Graduate School. Intercollege Graduate Program in Ecology, 1990.
Incluye bibliografias.
Keywords: SEMILLAS DE FRIJOLES -- CULTIVO - ESTADISTICAS