T/HNXGJSH 03-2022 Active

Main Technical Content: I. Huaning Crystal Orange Grading Standards 1. Basic Requirements for Fruit Shape: - The fruit must have the inherent shape of the variety, with a round fruit crown, consistent shape, no deformities, and an intact and flush fruit stem, without wilting. - Extra Class: Round to short elliptical, with a fruit shape index of around 1.1 ± 0.1. - First Class: Highly flattened oval, with a fruit shape index of ≤1.0 and ≥0.85, and no obvious protrusions near the fruit stem. - Second Class: Highly flattened oval to round, with a fruit shape index of ≤0.84 and ≥0.70, and minor protrusions near the fruit stem or short necks. 2. Basic Requirements for Color: - The fruit must have the inherent color of the mature variety, with uniform coloration. - Extra Class: Orange to orange-yellow, with a coloration rate ≥95% and no discoloration spots. - First Class: Orange-yellow, with a coloration rate ≥90% and no significant discoloration spots. - Second Class: Orange-yellow, with a coloration rate ≥80%. 3. Basic Requirements for Fruit Surface: - The fruit surface must be clean, with smooth skin and no cracked or rotten fruits. - Extra Class: Very few windmarks, injury marks, pests, or drug residues, with all combined marks ≤1.0 cm2, and the largest single mark ≤0.2 cm2. - First Class: Only minor windmarks, injury marks, pests, or drug residues, with all combined marks ≤2.0 cm2, and the largest single mark ≤0.5 cm2. - Second Class: A few windmarks, injury marks, pests, or drug residues, with all combined marks ≤4.0 cm2, and the largest single mark ≤1.0 cm2. 4. Fruit Peel Thickness (mm): - Extra Class: Fruit peel thickness at the waist ≤2.0 mm, and fruit base peel ≤2.5 mm. - First Class: Fruit peel thickness at the waist ≤2.5 mm, and fruit base peel ≤3.0 mm. - Second Class: Fruit peel thickness at the waist ≤3.0 mm, and fruit base peel ≤3.5 mm. 5. Basic Requirements for Textu