Vazquez-Yanes, C; Gamboa, A; Aguilera, P; Orozco-Segovia, A; Sánchez-Coronado, ME; González-Zertuche, L
(2001)
To determine whether seeds of the weedy shrub Wigandia urens, from the Valley of Mexico, undergo natural priming when buried in soil, comparative experiments were performed with seeds: (1) harvested directly from the plants