Gold bullets.
(2) Site conditions.
The garden is 300 meters to 700 meters above sea level; Red loam, the soil thickness is ≥80cm, the organic matter content is ≥ 1.0%, and the pH value is 5.0-6.5.
(3) Cultivation management.
1. Seedling raising: collect seeds or scions from excellent mother trees with no quarantine pests and diseases, strong growth, high yield and high quality, and pure varieties for seedling raising and grafting.
2. Planting density: ≤ 1200 plants/hectare.
3. Soil and fertilizer management: the foundation of deep ploughing and soil improvement in the whole park. Fertilization of young trees is mainly based on nitrogen fertilizer, with appropriate amount of phosphorus and potassium fertilizer; Adult trees are mainly fertilized with organic fertilizer, combined with inorganic fertilizer, and the annual application amount of organic fertilizer is ≥30 tons/hectare.
4. Plastic pruning: combine winter pruning with summer pruning to keep the tree ventilated and transparent, with strong tree potential, high quality and high yield.
5. Harvesting: In the first half of June165438+1October (generally picking begins after beginning of winter), when two thirds of the fruit surface is colored, yellow leaves are selected and harvested in stages.
(4) Fruit grading.
After harvest, fruits are classified according to the following criteria: grade
The fruits of Class I and Class II products specialized in the project are regular in shape, oval or inverted oval, regular in shape, regular in shape, oval or inverted oval, without obvious abnormality, bright orange-yellow, even orange-yellow, good in color, even orange-yellow, light yellow, and yellow-green single fruit weight (g) ≥ 25 ≥ 18 is allowed.
1. Sensory characteristics: the fruit is oval or inverted oval. The peel is smooth, bright and thick, and the oil cells are small and dense. The skin is sweet and slightly spicy, fragrant, and the meat is crisp and tender, sweet and sour.
2. Physical and chemical indicators: soluble solid content ≥ 1 1%, total acid content ≤ 1.0%, solid-acid ratio ≥1:1,edible rate ≥93%, super ≥
3. Health indicators: GB2762 and GB2763 shall be implemented. Producers within the scope of protection of geographical indication products of Youxi Kumquat can apply to Youxi County Bureau of Quality and Technical Supervision for the use of "special signs for geographical indication products", which will be announced and approved by AQSIQ.