a kind of pear grown in Hebei Province
(2) Site conditions.
The soil types are mainly neutral sandy loam, light loam, loam fluvo-aquic soil and loam cinnamon soil, with pH value of 6.6 to 8.4, good aeration and organic matter content ≥0.8%. The groundwater level is below 20 meters.
(3) Raising seedlings.
Yali pear trees with pure varieties, high quality and high yield, strong growth and no quarantine diseases and insect pests were selected as cutting mother plants, and Lidu pear was used as rootstock for grafting propagation.
(4) Cultivation management.
1. Pollination tree varieties: Pollination tree varieties include red pear, Pak Lei and Yinbai pear.
2. Planting time and density: planting should be carried out after soil thawing in spring, and the density should be ≤750 plants/hectare.
3. Water and fertilizer management: No watering is allowed 30 days before harvest. Give priority to with organic fertilizer, apply organic fertilizer ≥ 45,000 kg per hectare, and cooperate with inorganic fertilizer.
4. Plastic pruning: winter pruning and summer pruning are combined to ensure ventilation and light transmission of the tree, and the number of branches per hectare is controlled at 750,000 ~ 654.38+0.05 million in the full fruit period, and the number of flower buds is ≤ 450,000.
5, flower and fruit management:
(1) flower thinning and fruit thinning: finish flower thinning before flowering, and keep the low flowers. Leave 1 fruit with 3 ~ 4 branches, and the total fruit left should be 265,438+0,000 ~ 240,000 per hectare. Output ≤ 45,000 kg/ha.
(2) Pollination: mainly artificial pollination, mainly low-grade flowers.
(3) Bagging: Bagging starts 20 days after flower falling and is completed within one month. Bag them all.
6. Fruit harvesting: The harvesting period of direct selling is from 160 days to 170 days after flowering. The growth period of stored Yali pear is not less than 155 days.
(5) Quality characteristics.
1, sensory characteristics: the fruit shape is obovoid, the fruit shape is straight, the pulp at the base of the fruit stalk is duck-headed, and the bulge is obvious; When mature, the skin is yellow and white, the flesh is white, the surface is smooth and the fruit point is small; The peel is thin and slightly waxy, the meat is crisp and tender, the juice is stony and has a moderate sour and sweet taste, and the aroma is rich after storage.
2. Physical and chemical indexes: single fruit weight ≥200g, soluble solid content ≥ 12%, fruit hardness ≤0. 16%, total acid ≥75: 1. Producers within the scope of protection of geographical indication products of Yali pear in wei county can apply to the Bureau of Quality and Technical Supervision of wei county, Hebei Province for the use of "Special Marks for Geographical Indications Products", which will be announced and approved by the AQSIQ.