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Meiting nectarine planting density of 4 meters 5-6 meters, or 2.5 meters 5-6 meters is appropriate. When the former is adopted, the three main branches of the tree adopt a happy shape. When the latter is adopted, the two main branches of the tree adopt a happy shape. Rootstocks are either nectarine or cantonine. Due to the large amount of pollen and high fruit setting rate, pollinated trees may not be provided.
Second, pruning technology
The young trees should be lightly cut in winter to ease the tree vigor and quickly expand the canopy. Use long tips to trim the resulting branches to increase the proportion of long, medium and short fruit branches. Do not overweight and trim the proportion of leggy fruit branches. When pruning in summer, it is necessary to comprehensively use methods such as thinning, picking and pulling branches to control the competition branches and leggy branches to avoid excessive branches and to maintain sufficient lighting for all branches and fruits. Summer pruning is usually done 4 times a year. In the result period, it is necessary to pay attention to cultivating the results and to update the rejuvenation. Before the fruit matures, it is necessary to moderately thinning and picking the heart to promote fruit coloring and improve fruit quality.
Years of experiments have shown that the suitable fruiting branch of Meiting Nectarine is long, medium and short fruiting branches. The long fruit branch is suitable for about 0.5 cm in diameter.
Third, flower and fruit management and load control
Meiting Nectarine is a large-fruit variety with high fruit setting rate. Only fruit thinning is required, and its unique fruit size, flavor quality and fruit color can be fully expressed. General yield per mu is controlled within 2500 kg.
In the flowering period before the flowering to eliminate the late flowering, malformed flowers, flowers and other non-branch flowers. During fruit thinning, leave 2-3 fruits for long fruiting branches, 1-2 fruits for medium fruiting branches, 1 fruit for short fruiting branches, or 1 fruit for 2-3 short fruiting branches. The bouquet-like fruiting branches leave no or multiple bouquets. Fruit branch left 1 fruit. The fruit has a spatial distribution of 20 cm in the tree and is evenly distributed. When fruit thinning, try to leave the fruit on the 0.5 cm diameter branch or leave fruit on the medium and short fruit branches. For the nearly horizontal branches of 0.6-0.7 cm, the fruit-retaining parts should be in the middle and upper parts.
Fourth, increase organic fertilizer and phosphorus, potash fertilizer
The addition of organic fertilizers and phosphorus and potassium fertilizers is the basis for achieving high yields and quality. The amount of organic fertilizer should account for more than 80% of the annual fertilization, and it should be based on fully cooked chicken manure and cake fertilizer. In the fruit period, 5000 kilograms of Mushi are applied, and 50-100 kilograms of potassium sulfate and some trace element fertilizers such as boron fertilizer, iron fertilizer and zinc fertilizer are added. When topdressing, phosphorus and potash fertilizers are mainly used during the late growth period.
V. Pest Control
Meiting Nectarine has no special pests and diseases. However, due to its earlier flowering period, it is better to control locusts, otherwise it will affect fruit setting, or the fruit ripening will not be smooth.
The production of pollution-free fruit should be based on biological pesticides, mineral-derived pesticides, plant-derived pesticides, and insect growth regulators. Spray 3-5 Baume degree lime sulfur before germination, before and after the flowering period and in late May, timely control of locusts and spider mites. Actively carry out forecast and forecast of pests and diseases, promote comprehensive prevention and control, and use agricultural prevention
How to plant Mei Ting Nectarine
First, suitable planting density and tree shape