Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。
Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。
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