According to the observation of wide and artificial Popover nudicaul, flowering rule, major factors influencing flowering, regulation method of flowering time and seed collection method were studied.
摘要根据野和人工种植
野罂粟调研观测,研究了野罂粟开花规律、影响开花
主要因素以及野罂粟
花期调控方法和采种方法。