一、前言果树栽培的目的,就是为了获得高产优质的果实。而果实的生长发育又与内外因素有密切的关系,当环境条件与栽培技术越符合果树的生长发育时,则越能发挥其优良特性,因此,进一步了解、掌握果实的生长发育规律及其有关因素,才能给制订增产措施提出有力的参考依据。 I. Introduction The purpose of fruit tree cultivation is to obtain high-yielding, high-quality fruits. However, the growth and development of fruits are closely related to the internal and external factors. When the environmental conditions and cultivation techniques are more in line with the growth and development of fruit trees, the more they can play their excellent characteristics. Therefore, to further understand and grasp the law of fruit growth and development and its related Factors, to formulate stimulating measures put forward a strong reference.