Xuanhua milk grape peel lacks fruit powder and is susceptible to browning after scratching, and the ear is susceptible to disease. It quickly loses water and wilt after harvest, decays and deteriorates. It is extremely resistant to storage and can be safely stored if the following measures are taken. In the month, the good fruit rate reached about 90%.
(1) When the grapes are fully ripe and the sugar content is above 13%-15%, they are harvested. Stop irrigation for 15 days before picking, and pay attention to pest control.
(2) Before the harvest, sick ears and fruit should be strictly excluded, and mechanical damage should be strictly prevented during the collection and transportation. Immediately after harvest, it is sent to cold storage precooling to reduce the storage temperature to 0°C as quickly as possible. The storage period temperature should be controlled within the range of 0--1°C.
(3) Put the ears in plastic boxes, adopt the stacking method of brackets and layers, and cover the plastic large accounts to prevent evaporation of water. Place only one layer per box in the plastic box to avoid crushing.
(4) According to the effective volume of the large account, fumigation and preservation are carried out in an amount of 0.05 ml of sec-butylamine per litre volume.
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