Effect of Bagging on Fruit Harvest Date of Non-astringent Persimmon

The effects of bag types on fruit characters of non-astringent persimmon Youhou were investigated in the present study.The results showed that bagging might increase uniformity of fruit coloring,water content of fruit,as well as fruit firmness,however,it didn't affect fruit shape and single fruit weight.Soluble solid content and soluble sugar content of bagging fruits were decreased.The influence of double-layer bag with red interior layer in harvest date was remarkable,and the dates of peel pigmentation and de-astringent of fruit were 10 days in advance.The peel pigmentation treated with this kind of bag was better than that of the controls on September 30,and the peel coloring was the best compared with that of other treatments at maturity.Unfortunately,internal quality of fruit was significantly reduced after the bagging.Fruit sugar decreased by 2.81%,and vitamins C decreased by 28.7mg/100g compared with that of the control at maturity.