It is important to choose good varieties In the production, early maturing peaches or late maturing peaches are mainly selected for cultivation. If you want to go to market in advance, it is recommended to choose early-maturing and very-early maturing varieties. To choose varieties with low cooling capacity, the time for natural dormancy will be short, and the time for warming up in the shed can be advanced accordingly. Varieties with many flower buds, large amount of pollen, high self-flowering rate and strong adaptability. In addition, choose a variety with a short tree body and a compact crown that can form flower buds that year and flower and bear the following year. What to pay attention to when transplanting nectarine seedlings There is no need to transplant sheds in nectarine gardens, and fertilizer and water management can be strengthened. Before transplanting nectarine seedlings in newly-built greenhouses, deepen the soil, and apply 4,000 to 5000 kg of high-quality organic fertilizer per shed. Dig a strip-shaped planting trench with a depth of 60 cm and a width of 80 cm, heading from north to south, with a row spacing of 1.5 meters × 4 meters. After planting, water it and cover it with plastic film. Greenhouse nectarine temperature and humidity control is most suitable Greenhouse nectarine flowering period: It is required to control the temperature at 10 ℃ ～ 28 ℃ during the day, keep it at 5 ℃ ～ 10 ℃ at night, and maintain the humidity at 70% ～ 80%. Young fruit period-hard core period: The temperature during the day is controlled at 15 ℃ ～ 25 ℃, the temperature at night is 8 ℃ ～ 15 ℃, and the humidity is 50% ～ 60%. Fruit swelling period—harvest period: The temperature during the day is controlled at 15 ℃ ～ 30 ℃, the temperature at night is controlled at about 10 ℃, and the humidity is maintained at 60%. Nectarine production in the greenhouse is very important Thinning flowers and fruits is an important measure to improve the fruit setting rate and fruit quality of nectarines in greenhouses, especially the nectarine trees under the conditions of protected cultivation. The flowering period is often affected by factors such as temperature, humidity, light, and pollination. Therefore, the sparse flowers and fruits of the nectarine in the greenhouse should be based on the principle of "light sparse flowers and heavy sparse fruits". Sparse flowers and flowers are best spent during the bud period. When the amount of flower buds is large, most of the flower buds on the thin branches and the double flower buds of the long and middle fruit branches due to the longer cuts can be removed, as well as the late flowering buds that are underdeveloped. Sparse fruit ①thinning period. Fruit thinning is usually carried out in two stages. The first time was 3 to 4 weeks after flowering, when the nectarine was about the size of an apricot pit. The second fruit thinning is set fruit, which is carried out after the hard-core period of nectarine, and the overloaded fruit is thinned. ② Retained fruit amount. The amount of fruit retained should be determined according to the fruit setting rate, size, tree potential and tree size of nectarine varieties. Generally, long fruit branches have 4 to 6 fruits, medium fruit branches have 3 to 4 fruits, short fruit branches have 1 to 2 fruits, bouquet-shaped fruit branches have 1 fruit or no fruits, and extended branches have fewer fruits. ③ thinning method. It should be carried out in accordance with the principle of "retaining the good and removing the bad". Peach fruit on the same branch is about 10-15 cm apart. Remove malformed fruit, small fruit, diseased insect fruit; stay lateral, lower fruit, sparse upward fruit; leave strong branch fruit, weak branch fruit. The order of thinning fruit should be from inside to outside, from top to bottom, one by one in the order of branches to prevent leakage or damage to the fruit. Three levels of nectarine management in greenhouses Temperature and humidity off: The temperature in the shed during the day should be kept at 23 ℃ ~ 28 ℃, and the minimum temperature at night should be kept at 15 ℃. Humidity in the shed should be maintained at 50% to 70%. If the humidity is too small, spray clear water to humidify before sunset. During the coloring period, it is necessary to increase the temperature difference between day and night. Generally, the temperature difference between day and night is required to be 10 ° C ~ 12 ° C. Fertilizer and water gate: Apply about 125 kg of compound fertilizer per acre (approximately 0.25 kg per plant), apply in acupoint or furrow, irrigate after fertilization, and dry the soil evenly after wet. Combined with pest control, 0.3% to 0.5% potassium dihydrogen phosphate was sprayed 2 or 3 times. In addition, it can be sprayed with micro-fertilizers such as Guoyouhong and Hongguo 88 to promote fruit swelling and coloring. Xia Sheguan: The task of Xia She is to improve the light and control the growth of new shoots. The first is to continue topping up on the long and new shoots. The second is to retreat over the branch group. The third is to recut 1 to 2 leaves of the long branch with space, and thinn out the spaceless branch. The fourth is to remove leaves within 5 cm of the fruit. Disclaimer: Some articles on this website are transferred from the Internet. If you have third party legal rights, please inform this website to deal with them. phone
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Good quality nectarine tube in the greenhouse
It was cold and the shed had to be shed. Nectarines are no exception. Speaking of greenhouse nectarines, we must say its benefits. The cultivation of nectarines in greenhouses has considerable benefits, so more fruit farmers grow nectarines in greenhouses. So, how to produce good-looking and delicious nectarines has become a problem faced by many fruit farmers. This edition of "Orchard Management · Greenhouse Nectarine" will be selected from the variety of nectarines in the greenhouse to the nectarine shed, and introduces the management techniques of nectarine in the greenhouse, hoping to help fruit farmers.