从1958年南非平斯福在苹果树上喷钙,发现可以减少果实苦痘病,以及1970年发现苹果果实中钙的含量与其贮藏性有关后,人们越来越重视研究钙素营养问题。 一 钙的功能 钙与细胞壁的结构有重要关系,钙是果实中胶层中果胶钙的重要成分,可使相邻的细胞互相联结,增大细胞的坚硬性。果实 Since 1958, PepsiCo of South Africa sprays calcium on apple trees and found that it can reduce fruit bitter pox disease, and in 1970 found that the calcium content of apple fruits and its storage, people pay more and more attention to the issue of calcium nutrition. The function of a calcium Calcium and the structure of the cell wall has an important relationship, calcium is an important component of pectin calcium in the fruit in the glue, adjacent cells can be linked to each other, increasing cell rigidity. fruit