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测,
究了野罂粟开花规律、影响开花的主要因
及野罂粟的花期
控方法和采种方法。