T/CMWHLZ 006-2024 Climbing lychee harvesting and packaging technical specification in Chengmai County
T/CMWHLZ 006-2024 Climbing lychee harvesting and packaging technical specification in Chengmai County
Basic Information
Scope
Main Technical Content: 4. Harvesting 4.1 Basic Requirements 4.1.1 Harvest according to market needs and ripeness. 4.1.2 Implement "harvesting twin fruits". 4.1.3 After harvesting, grade, pack, and store the fruits as quickly as possible. The weight of a single fruit box should not exceed 25 kg. 4.2 Ripeness 4.2.1 Ripeness requirements: The harvested lychees should be ripe based on the distance to the sales market and the length of storage period. Generally, a ripeness of 80% to 90% is appropriate. 4.2.2 Judging criteria: The fruit skin should be mostly red, and the inner fruit skin should be mostly white, reflecting the variety characteristics and flavor and meeting the requirements of T/cmwhlz 001. 4.3 Harvesting Time Harvesting should be done on cloudy days or before 10 a.m. on sunny days. Harvesting should be avoided during intense sunlight or rainy weather. 4.4 Harvesting Methods Implement "harvesting twin fruits" and harvest according to ripeness. Use pruning shears to cut off the fruits. For trees with uneven ripeness, harvest in batches. During harvesting, handle the fruits gently to avoid mechanical damage. Single-fruit harvesting can also be carried out according to customer requirements. 5. Post-harvest Processing 5.1 Sorting Remove diseased, insect-damaged, browned, rotten, cracked, immature, or overripe fruits, as well as fruits without fruit stems and other defective fruits during sorting. The fruits should be graded according to T/cmwhlz 001 requirements. 5.2 Packaging 5.2.1 Packaging Materials 5.2.1.1 Packaging materials should be non-toxic, clean, dry, pollution-free, odorless, and meet the requirements of NY/T 658. 5.2.1.2 Packaging containers are recommended to use corrugated cardboard boxes, foam boxes, or plastic crates. 5.2.1.3 Corrugated cardboard boxes should comply with GB/T 6543, and foam boxes should meet the requirements of SN/T 0263. 5.2.2 Packaging Capacity Paper boxes generally should no