The cell numbers and sizes in fruits were investigated and changes of endogenous hormones and polyamines contents in fruits were studied during fruit development period in Red Fuji apple on different dwarfing interstocks (B 9, M 26 and SH 38).

• 以3种不同矮化中间砧(B9、M26、SH38)红富士苹果为试材,研究了果实细胞数目、果实大小 和幼果发育期间果实内源激素及多胺的变化。