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There are several reasons: some are caused by pests and diseases, some are caused by excessive watering, and some are caused by excessive fertilization during fertilization.
Watering too much leaves is due to too much soil moisture and the roots have difficulty breathing. As a result, the nutrients cannot be sent to the upper part of the tree**, and the leaves cannot absorb nutrients, and they will begin to fall before the leaves turn yellow.
Again, fertilizer is applied too close to the root system. Or the fertilization is farmhouse fertilizer, and when it is not fermented and rotted, it is applied to the Garbo fruit, which will burn the Garbo fruit to death, so it will fall off before the leaves are yellow.
Solution: 1. If the soil is too wet because of the watering, then it is time to change the soil. If it is planted in a field, dig some dry soil, neutralize it, and sprinkle some hydrated lime.
2. If there is a condition, you can dig out the Jiabao fruit to see if there are rotten roots, and if so, the rotten root system should be cleaned up. Then soak the root system with carbendazim mixed with water to kill bacteria and promote the recovery of the root system.
3. Fertilization should be reasonably based on the growth of seedlings to fertilize, because fertilization should be applied outside about 10cm. If you use farmhouse fertilizer, such as chicken manure, peanut cake and other similar fertilizers, remember to ferment and rot before you can use it. Otherwise, it is very easy to cause root burning.
Especially in potted Jiabao fruit, once the roots are burned, the seedling age is low, and it is basically difficult to save it.
To sum up, if a large number of green leaves fall from Garbo fruit, most of the cases are due to damage to the root system, resulting in the inability to transfer nutrients to the upper part of the tree**, resulting in green leaf shedding.
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Watering too wet caused by the death of new leaves, but also can not be watered every day to prevent the death of rotten roots, rice water to be placed for about 15 days after fermentation before use, watering flowers with 1:1 watering, watering do not water every day to waterproof wet rotten roots, do not dry do not water, dry then watered thoroughly.
Treatment: Stop watering rice water, use a hoe to loosen the topsoil to reduce water accumulation and increase the air permeability of the soil. If the leaf dies continuously, 800 times the liquid of Doinling or Tobuzin can be used to spray and prevent disease.
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In my personal experience, the reasons for defoliation are as follows: 1) Insufficient fertilizer. Fertilization is sufficient.
2) Poor ventilation. It can be placed on the balcony for ventilation. Let it soak up the sun.
3) Improper watering. Caused by waterlogging in large basins. Because the damaged root system can not be recovered for a while, of course, it will continue to fall leaves, and then pay attention to dry and water thoroughly, so that it can recover slowly, do not be anxious, and do not water the roots at this time.
4) Rotten roots: If there are yellow leaves, and the leaves are dropping. Then change the soil and remove the rotten roots. 5) Pest Look for small bugs (red, white, black) on the back of the leaves, your bonsai is likely to have red spiders (so small that you can barely see them, look closely), or the leaves are very curled.
If there is any of the above, it is recommended to buy insecticides (bags and bottles) at the place where the flowers are soldSomeone in the family smokes, leave the cigarette butts, and use a dozen cigarette butts to soak in unused utensils (a little more water).After a day, take a bath (once a day) with soaking water (smoke water).
It will be fine after a while. 6) Normal phenomenon (with premise) When you just move home, you will keep falling off the leaves within 2 months, but don't worry, the new leaves are also the same as the long (will be very soon) Don't think about moving around, just fix a place, and don't be afraid of watering more or less (the soil is very dry, just water a little more at one time).After 2 months, all the old leaves will be replaced with new leaves, that is, the leaves will not fall off again if the leaves grow in an environment like your home.
It will continue to grow lushly.
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Good morning, dear. The reason why Turbot is molting is because it is growing. In addition, the garbo fruit sheds its skin before flowering, because it grows very slowly, and usually does not flower and bear fruit for three years after planting.
At a certain time, the entire plant sheds its bark and grows new bark. Generally, when the Garbo fruit produces white flowers, it will begin to shed its skin.
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The reason why the leaves of the Garbo fruit tree are yellow.
Answers. 1.Over-fertilization: Over-fertilization can cause the Garbo tree to burn its roots, causing it to appear yellow leaves.
2.At this time, it is necessary to replace the potting soil in time, and suspend fertilization until it recovers.
3.Overwatering: Overwatering can cause it to have rotten roots, which in turn can lead to yellow leaves.
4.At this time, it is necessary to remove the pot and cut the roots in time, and then use new soil to replant and properly control the water.
5.Too much light: Bright light may turn its leaves yellow.
6.At this time, cut off the yellow leaves, shade them properly, and wait for them to recover.
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1. Sun burns.
2. Watering the roots for more than 24 hours and rotting the roots.
3. Deficiency of nutrients. Symptoms of iron deficiency. Iron is very mobile in the fruit tree, and the iron in the old leaves cannot be transferred to the new tissues, so it cannot be reused.
Therefore, when iron is deficient, the lower leaves tend to remain green, while the young leaves show chloropathy until they dry out. Iron deficiency correction methods:
1) Autumn application of organic fertilizer (around August 20), at the same time as the autumn application of base fertilizer, each plant directly applies kilograms of ferrous sulfate to each soil, mixed with 20 kilograms of animal manure. Iron deficiency in fruit trees is not entirely due to insufficient iron levels in the soil. Poor soil structure also limits the uptake and utilization of iron by the roots.
Therefore, in the treatment of iron deficiency, it is necessary to increase the application of organic fertilizer to improve the soil to improve the availability of iron in the soil.
2) Foliar spraying of ferrous sulfate aqueous solution or chelated iron (ferric citrate) aqueous solution, sprayed once every half month, a total of 3 4 times, the effect is better.
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What is the reason why the Garbo fruit does not develop after fruiting and will dry up quickly?
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Give it a look, there should be a re-open careful spray, spray a spray of insecticide is better, put it on the balcony, bright and ventilated.
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It should be caused by overwatering and the mud has been wet.
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