现在先进国家苹果生产向采收规范化方向发展。采收规范化的关键是果实的适宜采收成熟度,达到既要提高产量又要提高质量的目的。适宜采收成熟度受不同年份的不同气象条件和不同栽培措施及不同产量负载等的影响。我们试验研究的目的是寻求易于生产应用而且稳定的指标来确定适宜采收成熟度。在生长期间苹果果实的淀粉逐渐积累,其后的成熟和发育期间,淀粉又水解成糖(Krotkov 等,1946)。水解作用首先发生在果心部,逐渐 Apple is now advanced countries to the production of standardized recovery direction. The key to the standardization of harvest is the appropriate harvest maturity of the fruit, so as to achieve both the objective of improving yield and improving quality. Appropriate harvest maturity by different years of different meteorological conditions and different cultivation practices and different yield loads and so on. The purpose of our pilot study is to find indicators that are easy to produce and use and stable to determine the appropriate harvest maturity. Starch accumulates gradually during the growth of apple fruits, which are subsequently hydrolyzed to sugar during subsequent maturation and development (Krotkov et al., 1946). Hydrolysis first takes place in the heart of the fruit, gradually