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.
摘要根据野生和人工种植的野罂粟研观测,研究了野罂粟开
规
、
开
的主要因
以及野罂粟的
控方法和采种方法。