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Protection of geographical indication products of Xuanhua milk grape
According to the Regulations on the Protection of Geographical Indications Products, the General Administration of Quality Supervision, Inspection and Quarantine organized a review of the application for the protection of geographical indications products of Xuanhua milk grapes. After passing the examination, the geographical indication protection of Xuanhua milk grape was approved from June 26th, 2007 (No.2007 100). (1) variety.

Milk grapes.

(2) Site conditions.

At an altitude of 600 to 650 meters, the soil thickness is greater than 1 m, the groundwater level is lower than 1 m, the soil pH value is 6.5 to 8, and the soil organic matter content is greater than 1%.

(3) Cultivation management.

1. Seedling raising: Cutting propagation is carried out with branches of excellent mother plants without quarantine diseases.

2, seedling colonization:

(1) Planting time: middle and late April.

(2) Planting density: The planting density of seedlings per hectare should be controlled at 2 100 plants.

3, fertilizer and water management:

(1) Fertilization: Organic fertilizer is the main fertilizer, and the annual fertilization amount per hectare should be more than 3.5 tons.

(2) Irrigation: after the grapes are unearthed, before flowering 10 days, during the fruit expansion period, irrigation should be done in time before cold protection. Fertilization and irrigation should be prohibited half a month before harvest.

4, plastic pruning:

(1) Shaping mode: fan-shaped single dragon stem pruning is adopted.

(2) Pruning method: combining long shoot pruning with short shoot pruning, and controlling the number of buds per hectare between 170000 ~ 18000.

(3) Yield control: the yield per hectare should be less than 30 tons.

(4) harvesting.

The harvest time is in the middle and late September.

(5) Quality characteristics.

1, Appearance characteristics: thin fruit powder and peel, crisp, juicy, yellow-green, with obvious fragrance.

2. Physical and chemical indicators: the content of soluble solids is not less than 14 degree; The titratable acid content is less than 0.47%; The fruit weighs not less than 7 grams. Producers within the scope of protection of geographical indication products of Xuanhua milk grapes may apply to the Xuanhua District Bureau of Quality and Technical Supervision of Zhangjiakou City for the use of "special signs for geographical indication products", which shall be announced and approved by the AQSIQ.