Where is the origin of Yulu Lixiang pear?

Youlu pear is a high-quality medium-ripe pear variety bred by crossing Korla pear as female parent and Xuehua pear as male parent.

The planting of Yuluxiang pear can be divided into spring planting and autumn planting. Spring planting is usually from late March to early April, preferably later than after soil thawing and before seedling germination. Autumn planting is generally from the end of June 65438+ 10 to the end of June 165438+ 10. The sooner the fruit trees shed their leaves, the sooner the soil freezes, the better. The size of the planting hole should be determined according to the soil quality. Generally, the sand is 80 cm in diameter and 70 cm in depth, and the diameter and depth of clay should reach 100 cm respectively.

Increasing the application of organic fertilizer, phosphorus and potassium fertilizer in pear orchard is an effective measure to improve the yield and quality of Yuluxiang pear. Organic fertilizer is generally used as base fertilizer, and it is applied after pear fruit is harvested. The dosage per mu is 5,000-6,000 kg of decomposed farmyard manure or manure, and 40-50 kg of calcium superphosphate is added, which is applied after being evenly mixed. Potassium fertilizer can be plant ash or biological potassium fertilizer, which should not be mixed with phosphate fertilizer in general, and can be applied alternately with calcium superphosphate every other year.

otherwise

Smoke can reduce ground heat dissipation and increase ground temperature. At the same time, the particles of smoke can absorb water, make water condense into liquid and release heat energy, thus raising the temperature. When smoking, prepare enough combustible materials, such as shavings, sawdust, fallen leaves, crop straws, etc. And pile up 5 piles per mu, each pile is about 50 kilograms. In the night when the weather forecast is frosty, especially in the middle of the night after a sunny day. Wait in the pear garden, light the smoke in time when the temperature drops to 0℃, and the burning degree should be only smoke without getting angry.

Focus on the prevention and control of ring rot, anthracnose, scab and fruit eater. For drug control, carbendazim or fluorosilicone can be sprayed, mixed with pyrethroid pesticides, and mancozeb 1 time 20 days before harvesting to control fruit diseases. Remove diseased and rotten fruits at any time, and harvest them at the right time to improve the storability of fruits and reduce pests and diseases during storage. In September, corrugated paper is tied to the trunk to attract overwintering pests, and sokcho can also lure peach moth, pear moth, pear aphid and pear psylla to lurk through the winter.