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Anonymous users2024-02-12There may be several reasons why the fruit of the apple tree has a flowery face after fruiting:
1.Improper soil and fertilizer management: Insufficient underground management of apple orchards, and lack of soil improvement measures such as deep soil ploughing.
In the process of fertilization, formula fertilization is not implemented, lack of full nutrient fertilization technology, single fertilization is more, often only nitrogen, phosphorus, potassium compound fertilizer, no bacterial fertilizer, silicon, calcium, potassium and magnesium fertilizer, lack of medium and trace elements and soil conditioner, especially the serious lack of organic fertilizer, less or no application. Some fruit farmers even mistakenly believe that fresh cow manure and raw fertilizer are organic fertilizers, and some mistakenly apply chlorine-containing fertilizers, which eventually lead to the acidification and compaction of the orchard soil, poor nutrient absorption and utilization, imbalance of various nutrients, serious weakening of the tree, and finally lead to the serious occurrence of virus disease flower face fruit.
2.Excessive load: too many fruits, serious overload of the tree, resulting in extreme lack of nutrients in the tree, seriously weakening the tree's strength, drought resistance, cold resistance, disease resistance, insect resistance and other poor stress resistance, flower face fruit will occur, and increase year by year.
To solve the problem of apple tree fruit face, comprehensive measures need to be taken. First of all, it is necessary to adjust soil and fertilizer management, implement formula fertilization, increase the application of organic fertilizer, and avoid single fertilization. Secondly, it is necessary to carry a reasonable load to avoid overloading the tree.
In addition, it is necessary to pay attention to the pruning and maintenance of fruit trees, and maintain good ventilation and light transmission conditions. In terms of pest control, the occurrence and spread of pests and diseases should be prevented and controlled. Finally, it is important to pay attention to the irrigation and drainage management of the orchard to maintain the appropriate soil moisture and temperature.
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Anonymous users2024-02-11Hello, apple flower face is a kind of flower face virus disease, apple flower skin disease is a kind of apple virus disease, its symptoms are mainly manifested in the fruit, there is no obvious change before the fruit coloring. After coloring, the fruit is scattered with many nearly round yellow-white patches, resulting in white spots or red-yellow flower faces on the surface of the red varieties after ripening. Can be relieved but difficult**.
Prevention and control methods: It is recommended that fruit trees with virus symptoms should be marked down in the current year, pruned separately when pruning, and the tools should be disinfected with disinfectant. When the seedlings are found, the diseased seedlings are uprooted and destroyed in time, and the fertilizer and water management is strengthened in the production garden to enhance the tree potential.
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Anonymous users2024-02-10Apple tree post-flowering management:
1. 7-8 days after flowering, spray 15% carbendazim wettable powder 600 times, add 2000 times of moth-mite spirit, and then add 800 times of amino acid compound micro-fertilizer.
2. Half a month after the fall of flowers according to the weather to determine the medication, adhere to the timely use of the drug after the rainfall, use the protective agent such as Dasheng M-45 and the bacteria immediately before the rain on the fungicide, and use the systemic fungicide such as carbendazim, polymycoqing, methyl tobuzin, etc.
3. Carry out fruit thinning work in the half month after flowering, generally 25-30 cm to leave 1 fruit, pay attention to the fruit of the center flower when thinning the fruit, and the rest of the side flowers and fruits are thinned, and the fruit of the disease and insects, deformed fruits, round fruits, and short branches on the back of the main side branches. Leaves weeping fruits, upright fruits, and oblong fruits. Through fruit thinning, to ensure the reasonable load of fruit trees, the yield per mu is controlled at about 250 kg, according to the yield standard, according to the age, tree potential, etc., to determine the number of fruits left per plant.
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