Ponce-Salazar, RM; Marquez-Guzman, J; Brechú-Franco, A; Laguna, G
(2000)
The impermeability of the Ipomoea purpurea (L.) Roth (Convolvulaceae) seed coat may change if the seeds are exposed to different temperatures during the six months of the dry season, i.e. from dispersal to the beginning ...