Niping calyces had no distinct effect to decrease stone cells, but total soluble solid contents were increased and titration acid contents were decreased, so it could improve fruit quality.

人工掐花萼法对减少石细胞团的直径和密度不显著，但它可提高可溶性固形物的含量，降低可滴定酸的含量，从而提高果实品质。