nudicaul

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.

摘要根据生和人工种罂粟调研观测，研究了罂粟开花规律、影响开花主要因素以及罂粟花期调控方法和采种方法。