Abstract:

In this paper, the experiment that the variation of Ca, Mg, Fe, Mn, Zn and Cu content in the fruit of fragrant pear and ‘Zaosu’ pear and ‘Xinli No.7’ were done during the development to determine the effect of mineral elements on the fruit quality and would provide theoretical evidence for fertilization and fruit quality control of pear. The results showed that the content of Ca, Mg reduced gradually, the content of Cu, Mn rose gradually, and the content of Fe, Zn fluctuated greater with fruit development in the fruits of fragrant pear, ‘Zaosu’ pear and ‘Xinli No.7’. The content of Ca, Mg, Mn and Cu in the fruits of fragrant pear was higher than ‘Zaosu’ pear and ‘Xinli No.7’, and the content of Ca, Mg, Fe, Mn in the fruits of ‘Zaosu’ pear was higher than ‘Xinli No.7’. The changes of the 3 pear varieties mineral nutrient elements content were compared during the development, which were Ca>Mg>Fe>Zn>Cu>Mn.