Pear green crown

Characteristics: this variety is a deciduous tree fruit tree, with budding period from late February to early March, early flowering period from late March to mid-March, and fruit ripening period from late June to early July. The tree is strong and upright; the germination rate is high, the branching ability is medium; the flower bud is easy to form, bear fruit early, and the yield is stable; young trees hang fruit mainly on long fruit branches, while adult trees hang fruit mainly on short fruit branches; it is not easy to have a large number of abnormal deciduous leaves in the early stage; leaves oval, leaf buds small, triangular; buds flat, protruding above; flowers white, stamens 18-24, pistil 1 5-lobed. In Jianning County, the fruit ripening period from late June to early July is 25 days earlier than Huanghua pear; the fruit shape is larger, the single fruit weighs 255 grams; the fruit is nearly round, the pericarp is brown-green, the fruit spot is small, the fruit is decalyx, the flesh is white, tender and crisp, and it is not easy to brown. There are many fruit juices, sweet taste and excellent quality. determined by Sanming Agricultural Center Laboratory Station, soluble solids 12.9%, total acid 0.08%, total sugar 9.22%, vitamin C 13.05 mg / 100g. After investigation in the relevant fruit fields of Jianning and Qingliu counties in Sanming City, pear rust, scab, black spot, ring disease, dry blight and pear heart borer, pear wood lice, pear gall midge, pear net bug and other diseases and insect pests were found.

Yield performance: after many years of trial planting in Sanming, Nanping, Longyan and other cities, the average yield of 3-year-old trees is about 7.5 kg, and that of 5-year-old trees is about 38 kg. The yield of 6-year-old orchard can reach 1200 kg per mu.

Key points of cultivation techniques: 1. Select a suitable place to set up a garden for planting. Choose southeast direction, thicker soil layer and more fertile soil to reclaim and build a garden. 2. Reasonable shaping and pruning. It is appropriate to choose happy tree shaping and pruning, the combination of winter shears and summer shears. Young trees should pay attention to the use of inner buds and external pedal, brace, pull, hanging and other methods to open branches and ease branch potential, so as to facilitate early flowering, multi-flowering and early high yield. 3. Suitable pollination trees are selected. Qingxiang and yellow flower are the most ideal pollination varieties. 4. Pay attention to flower and fruit thinning, mainly fruit thinning. Fruit thinning can be carried out 15 days after flowering, and the fruit distance is kept at 15-20 cm. 5. comprehensive prevention and control of diseases and insect pests. 6. Strengthen the management of water and fertilizer. Increase the application of potassium fertilizer and calcium fertilizer to reduce the occurrence of fruit cracking.

The provincial unwanted crop variety identification committee held that Cuiguan pear is a deciduous tree fruit tree with early fruit, high and stable yield, large fruit shape, more fruit juice, sweet taste and good quality, and 25 days earlier than Huanghua pear during the fruit ripening period from late June to early July in Jianning County. It is suitable for planting in the middle altitude area of northwest Fujian. After examination, the variety conforms to the regulations on the identification of non-major crop varieties in Fujian Province, and has been approved.