And, During 121 DAFB to 131 DAFB, The protopectin contents of bagged apple in Beizhang descended quickly by 18.16%, 32.16%, 40.13%, respectively.6.

• 并且盛花后121d至盛花后131d，北章套袋红富士苹果果皮萼洼部、梗洼部、中部的原果胶含量下降迅速，分别下降了18.；16%25，32