不同袋型及套袋时间对满天红梨果实品质及贮藏性的影响

采用5种不同类型果袋,分3个不同时期对满天红梨套袋试验结果表明,套袋可极显著减少果锈、增加果实硬度,但可溶性固型物有所下降。套袋过早,单果重减少明显,裂果、果锈及日烧发生均显著增加。套袋过晚,膜袋黑点病极显著增加。套塑膜袋,果锈极显著增加,底色绿,着色不良。套塑膜袋、纸 膜袋和三色袋贮藏中失水显著。套条黑和双黑袋耐贮性好。综合比较,以5月中旬(盛花后30~35 d)套条黑袋最佳。

Effect of the Different Types of Bags and Bagging Time on the Mantianhong Pears Fruit Quality and Storage

The bagging experiment with 5 different types of bags and at three different periods on Matianhong pear were conducted,the result indicated that bagging could reduce fruit rust significantly,increase the flesh firmness,but decrease soluble solids content slightly.When fruit were bagged early,the single fruit weight was reduced obviously;the split fruit,the fruit rust and sunburn were increased significantly.When bagging fruit late,the black spot in plastic bag is increased significantly.Fruit rust is increased significantly with the plastic bags,the background color is green,and the red color of fruit was not better.The fruit dehydrates obviously in storage with plastic bag,paper bag plastic bag and tricolor bag.Fruit storage with black stripe bag and double-layer black bag is much better than others.Therefore,the black stripe bag during the middle third ten-days of May(30-35 days after the full bloom) was the best.