Key points of fruit expansion management of the latest jujube
Big green jujube, also known as sweet jujube, the fruit is rich in nutrition, crisp, sweet and delicious, contains a large number of vitamins and trace elements, is an excellent tropical fruit selected by improvement. The management of the fruit expansion period is very important, which is directly related to the yield and quality, so how to manage the fruit expansion period of Ziziphus jujuba? Come and have a look with the editor.
1. Water management
In the fruit development period of Ziziphus jujuba, the plant needs a lot of water, so it is easy to have serious fruit drop if it is dry and wet, but avoid flood irrigation before harvest, otherwise it will cause the fruit to absorb a lot of water and cause the sugar content to decrease or crack the fruit. It has a great impact on the quality. It is necessary to keep the soil moist during the period from fruit setting to expansion, and when the young fruit begins to expand, the plant water demand increases sharply, at this time, we must maintain an adequate water supply, otherwise it is easy to form abnormal fruit or stiff fruit. In the later stage of expansion, water should be properly controlled to promote sugar accumulation, increase fruit sweetness and improve fruit quality.
2. Fertilizer management
After the first batch of flowers and fruits began to mature, the main purpose was to promote fruit expansion in the middle and later stage, when the plant had a great demand for water and fertilizer, especially for nitrogen, calcium and magnesium. Therefore, attention should be paid to the maintenance of magnesium, calcium, boron and other micronutrients when fertilizing. This can not only promote the growth and expansion of fruit, but also improve plant disease resistance and reduce the probability of being infected by diseases and insect pests. The root system of Ziziphus jujuba is well developed, most of the roots are distributed in the shallow soil layer, and the fertilizer absorption capacity is strong, and the amount of fertilizer needed in each period is large, but the fertilizer varieties are different, so the fertilization management of Ziziphus jujuba should not be careless. fertilizer should be supplied according to the needs of each stage of the plant.
3. Foliar fertilizer
In the middle and later stage of plant growth, the root absorption is weakened, which can not meet the fruit growth and development and new shoot extraction, so it is necessary to spray foliar fertilizer in time. You can apply 1 bag of Jiamei dividend per mu in the strong fruit period, while spraying 1000 times liquid Jiamei platinum 2-3 times. No, no, no. In addition, to do a good job of anti-cold and anti-freezing ability in winter, one bag of Jiamei bonus per mu can increase the ground temperature by 3-5 ℃, and spray 1000 times liquid Jiameijin point 1-2 times to prevent frost and damage.
4. Pest control
Green jujube has strong disease resistance, so the probability of occurrence of diseases and insect pests is less, but once the occurrence of diseases and insect pests is more serious, so it is necessary to strengthen the control of diseases and insect pests in the later stage of green jujube. The disease is mainly powdery mildew, and the pest is mainly red spider. Prevention and control of diseases and insect pests should be focused on prevention. First of all, it is necessary to strengthen orchard management, reasonable pruning, avoid the formation of overgrown branches, low branches and overlapping wrong branches, and improve orchard permeability. Pay attention to clearing the garden, after clearing the garden will be diseased branches and leaves, diseased residual fruit out of the orchard, in the comprehensive spraying of germicides and insecticides. At the initial stage of the onset of diseases and insect pests, alternative control can be done by spraying ethoxylate, tebuconazole, green concubine and so on.
The above is the main points of jujube fruit expansion management, hope to help you, want to know more related knowledge, please pay attention to us.
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