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要想从产生很少或没有成熟种子的多胚柑桔品种得到大量的珠心苗是非常困难的。用枳(Poncirus trifoliata〔L〕Raf)授粉给塔罗科血橙(Citrus sinensis〔L〕Osbeck)的1,300朵花,只产生了25粒种子,从中得到
It is very difficult to get large numbers of seedlings from polyembryonic citrus species that produce little or no mature seeds. Pollinating 1,300 flowers of Citrus sinensis [L] Osbeck with Poncirus trifoliata [L] Raf) produced only 25 seeds from which