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1. Change the pot and soil.
When the orange tree is still a seedling, it is usually planted in the open soil, and it is transferred to the pot to make a potted plant because of the needs of consumers. Suddenly arriving in a new environment, it may not be suitable for adaptation, and the purchased pots and soil may not be suitable for the continued growth of orange trees, so if you want to grow for a long time, it is recommended to choose a slightly larger pot and replace the soil.
2. Prune the root system.
The yellowing of the leaves of the orange tree may be caused by too much watering, which can cause its roots to rot. It is necessary to turn the root system out, prune off the rotten places, and then use some rooting powder appropriately, and then replace the soil and plant it back, and slowly new roots will grow, and the problem of yellowing of the leaves will be improved. Of course, if there is a lack of water, it will also dry up and turn yellow, so you can check the potting soil often to see if it needs to be watered.
3. Supplement nutrition.
When planting orange trees, we must pay attention to adequate nutrition, and the nutrition should be balanced, if there is a lack of yellowing of the leaves, such as nitrogen deficiency, iron deficiency, zinc deficiency will be like this. Therefore, use some compound fertilizers with more balanced nutrition, so that the orange trees can grow better.
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In the potted orange tree leaves yellow, may be long-term exposure to the sun will move the plant into a cool and ventilated place in time, the strong light season needs to be properly shaded, too little water is watered once, gradually increase the number of watering, too much fertilizer should be applied once nitrogen fertilizer, fertilization should follow the principle of a small number of times, and at the same time to do a good job of harm prevention.
How to deal with the yellow leaves of bonsai orange trees.
1. Shading treatment.
Potted orange trees are kept on the balcony with strong light for a long time, which can easily lead to yellowing of branches and leaves, and time may lead to the phenomenon of withering and dying of plants, so what to do if the leaves of bonsai orange trees are yellow, we should pay attention to the degree of light when maintaining potted orange trees, and if the light is too strong, it should be moved into the living room in time and placed in a cool and ventilated place for maintenance.
2. Increase moisture.
Orange trees grow very quickly under moist conditions, if the water is often insufficient, it will affect the photosynthesis of branches and leaves, especially in high temperature weather, at this time, you should timely water the potting soil with water, increase the number of watering times appropriately, keep the soil moist at all times, and spray water mist on the yellowed leaves in the morning and evening to quickly restore the luster of the orange leaves.
3. Reasonable fertilization.
Bonsai orange trees have a large demand for fertilizer, if the long-term nutrient deficiency is easy to lead to plant malnutrition, the phenomenon of yellowing and falling leaves, we need to increase the amount of nitrogen fertilizer appropriately at this time, and the fertilization in the growing season is mainly based on compound fertilizer, when the leaves resume growth, the amount of nitrogen fertilizer should be gradually reduced.
4. Prevention of pests and diseases.
Spider mites and leaf spot disease is a common disease of orange trees, its harmful ability is relatively large, how to cause the leaves of orange trees to turn yellow in the early stage, and then slowly wilt and die, at this time to strengthen indoor air circulation, in case of high temperature and high humidity weather to do a good job of disinfection, serious can be selected appropriate amount of mite risk suspension solution for prevention and control.
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There is generally a situation in which potted plants occur, one is a physiological disease, such as lack of nitrogen, etc., and the solution is to apply fertilizer. The second is pathogenic diseases, which are caused by certain bacteria and fungi. Newly planted bonsai I think there is a greater probability of physiological disease.
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Oranges prefer acidic soils, and the lack of acidity in the soil will cause the yellow leaves of the orange tree to lose their leaves. You can go to the flower market to buy a bag of ferrous sulfate, use a larger beverage bottle to dissolve, soak until it becomes rust-colored and then dehydrated, Wu listened to the flower merchant's use method, the answer does not matter if it is taken, don't make me sad, the current society is the truth no one believes, just like to be fooled by many people, good people are not good to do.
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The solutions to the yellowing and dry leaves of orange trees include changing pots and soils, pruning roots, supplementing nutrients, preventing pests and diseases, and proper light.
1. Change the pot and soil.
When the orange tree is still a seedling, it is generally planted in the open soil, when it arrives in a new environment, it may not be very adaptable, the pot and soil may not be suitable for the continued growth of the orange tree, the leaves will be yellow and dry, it is recommended to choose a slightly larger pot, and replace the soil again.
2. Prune the root system.
The orange tree has yellow and dry leaves, probably because its roots are rotten, at this time you need to turn the root system out, prune off the rotten place, pick up and then use some rooting powder appropriately, and then replace the soil and plant it back, and slowly new roots will grow, and the problem of yellow and dry leaves will be improved.
3. Supplement nutrients.
When planting orange trees, we must pay attention to the nutrition of the full brother, and the nutrition should be balanced, if there is a lack of yellow and dry leaves, such as nitrogen deficiency, iron deficiency, zinc deficiency will be like this, at this time Chunchen should be careful to use some nutritionally balanced compound fertilizer, so that the orange tree can grow better.
4. Prevent pests and diseases.
Insect infestation problems often occur during the growth of orange trees, which cause the leaves of orange trees to turn yellow and dry, and even affect the growth of the whole orange plant, and the yield of oranges decreases, so it needs to be sprayed with pesticides before the orange trees enter the growth season.
5. Proper lighting.
If the orange tree is exposed to direct sunlight in summer, the plant and leaves will be burned by the sun, and the leaves will appear sunburned, yellow and dry, so when the sun is fierce in summer, it needs to be placed in a shady position for sunlight scattering, and its yellow branches and leaves should be pruned in time.
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There can be many reasons for the yellowing and dry leaves of orange trees, such as: lack of water, lack of fertilizer, pests and diseases, unsuitable environment and other factors. Here are some common ways to deal with them for your reference:
Maintain soil moisture: Orange trees in the field need the right amount of soil moisture, too dry or wet will not be conducive to plant growth. The frequency and amount of irrigation should be controlled according to factors such as local rainfall, season and temperature.
The frequency of irrigation can be increased to ensure that the soil is deficient and humid within the appropriate range, but excessive irrigation should also be avoided. Fertilization: In the case of fertilizer deficiency, certain nutrients can be added to the plant to promote healthy plant development.
Organic or chemical fertilizers can be applied in moderation, but it is also necessary to avoid excessive fertilization that causes abnormal plant growth. Pest control: The cause of yellowing and dry leaves of orange trees may be related to pests and diseases, and corresponding control measures can be adopted.
Pesticides, insecticides and other chemical agents can be used to control pests and diseases, and natural pests and diseases can also be used, such as sulfur powder mixed into plants. Adjust the environment: Sometimes, the reason why the leaves of the orange tree are yellow and dry is due to the lack of suitable growing conditions.
Plants can be moved to more suitable environments, such as improved irrigation, increased sun exposure, and temperature and humidity adjustments.
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There are 4 ways to judge by the court:
1. Strengthen management, increase the application of farmhouse fertilizer, combined with root topdressing, spray 10% urea plus 1% potassium dihydrogen phosphate or nutrient liquid fertilizer every 10 days or so.
2. Improve the soil, apply more green manure, soil miscellaneous fertilizer and other acidic fertilizers. On the basis of soil improvement, ferric sulphate can be applied or sprayed with a part% ferric sulphate solution, and part of the roots can be cut off to inhale ferric sulphate.
3. Spray 1% to 1% zinc sulfate solution before spring shoot growth, plus 1% to 2% lime and 1% adhesive. In addition, zinc oxide can also be sprayed to correct treatment.
4. Boron spraying outside the root. Spraying boron fertilizer once in early spring and in full flowering can effectively prevent and control boron deficiency disease. In early spring, spray with a concentration of 100% to 100 volts.
In summer and autumn, the concentration of 100 to 10 percent should be used instead. In order to prevent pesticide damage, about 10% quicklime can be added. The spray should be done on a cloudy day, or on a sunny day when the temperature is low in the morning and evening.
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<> the yellowing of the leaves of the potted orange tree, it may be due to the lack of water in the growth process of the plant, resulting in the lack of water and the leaves are dry and yellow, and it is necessary to increase the frequency of watering the orange tree, or it may be caused by disease, which needs to be sprayed to get rid of pests, and it is possible that the orange tree is exposed to strong light and needs to be moved to a semi-shaded place for maintenance.
1. Replenish water.
Potted orange tung chong tree needs sufficient water during the growth process, if the water provided to it is insufficient, it will cause the leaves of the plant to dry up and yellow due to lack of water, then it is necessary to increase the number of watering, especially in the hot weather and the water evaporation rate is fast in the season, when watering the orange tree, you need to water the soil thoroughly.
2. Prevention and control of diseases.
Potted orange trees are susceptible to leaf spot, which causes yellowing of leaves in the early stages and causes the plants to lose their vitality and wither and die in the later stages of the event. You can buy pesticides such as chlorothalonil, spray the orange tree every other week, spray three or four times at a time, and after a while, the leaves of the potted orange tree will no longer turn yellow.
3. Shade in time.
Potted orange trees are suitable for growing in a warm and ventilated environment, it is not resistant to the sun, when the light is too strong, you need to do shade measures for the orange trees, you can also move it to a cool place indoors for maintenance, and you can spray some water mist around the potted plants with a kettle to maintain the humidity of the environment.
4. Maintenance management.
After the leaves of the potted orange tree turn yellow, you need to use scissors to cut off the weak branches of the diseased branches of the yellow branches, and then apply the nutrient solution and other agents that can help the growth of the orange tree on the broken branches to supplement the lack of nutrients of the plant, and you can also apply nitrogen fertilizer to it 1-2 times every other month to promote the vigorous growth of the potted orange tree.
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Summary. Hello, it should be a lack of nutrition. If it does not get enough nutrients, or lacks some essential nutrients such as iron, boron, manganese, zinc, etc., yellow leaves may also occur.
Hello, it should be a lack of nutrition. If it does not obtain enough nutrients, or lacks iron, boron, manganese, zinc and other necessary nutrients, yellow leaves may also occur.
It is recommended to increase the frequency of applying fertiliser and add boron-containing fertilizer to it. When fertilizing, it is best to choose a compound lead powder type and a nutritious flower fertilizer, which can prevent it from appearing yellow leaves due to a lack of a certain nutrient.
Hello, it is recommended to use a fertilizer containing boron.
Put a little rotten soybean fertilizer on it, and apply thin fertilizer frequently.
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