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It has nothing to do with the germs, it is the root system that has problems, insufficient water absorption, and water nutrition can not keep up, which will cause some branches to be lost, of course, the loss of branches is also the self-help behavior of natural selection of plants, and some branches are discarded to use nutrients for roots. The reason should be that you transplanted last summer, the root system has not grown well, the high temperature in summer is not conducive to the transplanting of plant roots, and the transpiration of the plant leaf surface at high temperature is obvious, and the water loss is faster. Now that the weather is already hot, don't break the ground anymore, add some rooting powder when watering, and spray more foliar water when you have time to reduce the water consumption of plant transpiration, which is conducive to faster rooting of plants.
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There are several reasons why podocarpus has dead leaves and dead branches:
1. The soil is poor and compacted.
Podocarpus likes fertile and loose soil, with good air permeability, and some flower friends see that their podocarpus grows well, and they have been reluctant to change the pot, resulting in poor and compacted soil, so yellow leaves and dead branches will follow.
For a relatively small pot of podocarpus, it is recommended to change the soil once a year, or to see that the water does not seep into the soil for a long time when watering, then change the pot in time, when changing the potting soil, but also prune the root system, and prune off some of the old, weak, sick and rotten roots.
2. Dry for a long time.
Podocarpus is a plant that likes moisture, especially in the peak growing season, to keep the potting soil moist, when the soil appears slightly whitish, water thoroughly, drench in the morning and evening in midsummer, if it is dry for a long time, it will cause yellow leaves, dry branches, but in winter low temperature makes the growth activity reduced, so it is necessary to keep it properly dry.
3. Insufficient nutrients.
This situation mostly appears in the growing season, when the nutrients are insufficient, the branches and leaves will cause a scramble for nutrients, and some branches and leaves will turn yellow and dry, at this time, it is necessary to supplement fertilizer in time, you can use sea meal fertile water-soluble fertilizer high potassium, and properly prune the plants, so as to promote the plants to be more full and green, and increase the ornamentality.
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When rescuing a dry podocarpus, you need to cut off the rotten root system of the plant, and then replant the podocarpus in loose and breathable soil, and then place the plant in a ventilated and shady place for slow seedling, wait for 1-2 weeks, and then move the podocarpus to a place where it can shine the scattered light, so that the leaves can return to verdant green.
1. Prune the root system
When cultivating podocarpus, if it is found that the plant is dry, it is necessary to use the sharp scissors of the sterilization to cut off the rotten and dry root system of the plant to avoid further deterioration of the situation, and to cut off the branches and leaves of the podocarpus that are yellow and have poor growth, so as not to lose excess nutrients and make the podocarpus grow healthily.
2. Soil conditions
When planting Podocarpus sinensis, it is necessary to use soil with good drainage and air permeability, and then add perlite and vermiculite to the soil, which is conducive to the drainage of water in the soil, and then the potting soil can be disinfected at high temperature to avoid podocarpus being infected by diseases.
3. Carry out slow seedling
When planting podocarpus, you need to plant the plants carefully in the soil, it is best not to harm the healthy root system of podocarpus, so as not to die, and then you can move the podocarpus to a ventilated semi-shaded environment for slow seedlings, avoid the plants being exposed to direct sunlight, so that the podocarpus can quickly recover its health.
4. Maintenance management
Podocarpus is not tolerant to exposure to the sun, when cultivating podocarpus, it needs to be provided with scattered light irradiation to make the plant grow more vigorously, and according to the dryness and wetness of the soil, watering can be carried out to keep the soil slightly moist to avoid water decay of podocarpus, and it is necessary to spray fungicides every other month to maintain the normal growth of podocarpus.
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The methods of rescuing dry podocarpus include pruning the root system, soil conditions, and slowing down the seedlings.
If the plant is found to be dry up, it is necessary to use sterilized sharp scissors to cut off the rotten and dry roots of the plant to avoid further aggravation. When planting podocarpus, it is necessary to use soil with good drainage and air permeability, and then add perlite and stone to the soil, which is conducive to the drainage of water in the soil of Yunheda by the podocarpus, and then the pot can be disinfected at high temperature to avoid the infection of podocarpus.
When planting podocarpus, the plants need to be carefully planted in the soil, it is best not to harm the healthy root system of podocarpus, so as not to die on the side, and then you can move the podocarpus to a ventilated semi-shaded environment for slow seedlings, avoid the plant from direct sunlight, so that the podocarpus can quickly recover its health.
The growth habits of podocarpus
Podocarpus prefers a warm and humid climate, it has strong negative tolerance, but cold tolerance is relatively weak. It is a wet sandy loam soil with good water-lovingness, strong adaptability to soil, and can survive on saline-alkali land, generally needs slightly acidic soil rich in humus, loose and fertile, and well-drained, and the leaves will yellowish on alkaline soil, and the growth will become slow, and the life span will become longer, up to hundreds of years, or even thousands of years.
Podocarpus is native to Yunnan, China, and is now cultivated all over the country. Podocarpus is a negative tree species, with strong shade tolerance, likes to be born in warm and humid places, likes well-drained sandy loam, but has poor cold tolerance, so it can spend the winter outdoors in the south with high temperature, but it needs to pay attention to cold protection in the south of the Yangtze River.
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Summary. When transplanting podocarpus, it is necessary to use soil with good drainage and air permeability, and then add perlite and warp stone to the soil to help Luo Song drain the stagnant water in the soil, and then the potting soil can be highly disinfected to avoid the infection of podocarpus by diseases. When planting podocarpus, you need to plant the plants carefully in the soil, it is best not to harm the healthy root system of podocarpus, so that it will die, and then you can move the podocarpus to a ventilated and breathable shade environment for slow seedlings, to avoid the plant being exposed to strong direct light, how to rescue the dry of podocarpus.
Hello dear, when digging Huihan to rescue the dry podocarpus, you need to cut off the rotten root system of the plant, and then replant the podocarpus in loose and breathable soil, and then place the plant in a ventilated and shady place for slow seedling, wait for 1-2 weeks, you can move the podocarpus to a place that can irradiate the scattered light, so that the leaves can be restored to green and green. Judging laughter.
When transplanting podocarpus, it is necessary to use soil with good spring and air permeability to drain Chunzhou, and then add perlite and warp stone to the soil, which is conducive to the drainage of water in the soil, and then the potting soil can be highly disinfected to avoid podocarpus being infected by diseases. When planting podocarpus, the plants need to be carefully planted in the soil, it is best not to hurt the healthy root system of the podocarpus trace chain, so that it will die, and then you can move the podocarpus to a ventilated and breathable shade environment for slow seedling resistance, to avoid the plant being exposed to strong direct light
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How to quickly save a pine bonsai with dry yellow leaves?
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There are three possible causes of dry leaves of podocarpus. One is the lack of light, if you leave it in a dark place for a long time, photosynthesis will be weakened, and the leaves will dry up. It should be moved to a sunny place and let it bask in the sun.
The second is low-temperature frostbite, which likes warm environments and is not cold-tolerant. If the temperature is not controlled in winter, it will be frostbitten and the leaves will dry up. The third is the lack of nutrients, the growth season consumes a lot of nutrients, if you do not apply water-soluble fertilizer in time, it is easy to grow poorly, and the leaves will be yellow and dry.
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The roots are dead and a little unoptimistic, let's try our best to try again, the leaves of podocarpus are dry and curly, which is already the late manifestation of dehydration, indicating that the dehydration has been more serious. What needs to be done now is to first knock off the branches and leaves that have dried up, it is better to replace the potting soil, replace the original soil with soft soil, you can add a little peat soil, but do not fertilize. Cut off the dead roots of the podocarpus.
Keep the soil moist, but not overly wet, and grow in a cool environment while waiting for recovery. When repotting, if you find that the roots are black or dry, it means that they are completely dead.
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The leaves of the podocarpus may be due to the humid air and the high temperature of the potting soil, which leads to the rot of the root system of the plant. If the fertilization is too heavy, the fertilizer should be applied diligently, and an appropriate amount of black alum can be added to make alum fertilizer water; If the light is too low, transplant the plant to a sunny place.
Waterlogging podocarpus is resistant to shade and dampness, and it is necessary to pay attention to frequent watering during the growth period, but it should not be waterlogged. In the Pearl River Delta region, it is necessary to pay attention to frequent watering on sunny days in summer, generally once in the morning and evening, and often spray foliar water. Podocarpus is not tolerant to waterlogging, so care should be taken to prevent long-term water accumulation.
Fertilization techniques. Podocarpus likes fertilizer, should be applied diligently, fertilizer is mainly nitrogen fertilizer, an appropriate amount of alum (ferrous sulfate, about 5 grams per plant per year or 2-3 times of foliar diluent spraying) can be added, and it is made into alum fertilizer water. Fertilization can be applied once every 1-2 months during the growing period, and fertilization can be combined with watering at the same time (the ratio of water to fertilizer is 9:1).
Potted plants can be sprayed with compound fertilizer or thin cake liquid water fertilizer each time.
Lighting treatment. Podocarpus is a neutral and negative tree species that can receive strong sunlight and can also grow in shady environments. Although the summer temperature is high and the sun is strong, it is not necessary to shade the podocarpus tree in the summer because it is conducive to maintaining the leaf shape under the conditions of high temperature and strong light.
Xiao Miao is another matter, it's better to block the scorching sun!
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Dry leaves of podocarpus are usually caused by overwatering, excessive potting soil, rooting, or hard potting soil. Prevention and control methods can be properly pruned, stop watering, fertilization, and avoid direct sunlight. Loosen the potting soil, remove the chassis, and place it in the balcony ventilation for maintenance.
Podocarpus, not a pine plant, is not drought tolerant, shade and humidity tolerance, and should pay attention to keeping the soil slightly moist during the growth period, but it should not be soaked in water to prevent the soil from accumulating water for a long time. The podocarpus planted in the family potted should be kept in a ventilated place all year round, and cannot be kept indoors for a long time, otherwise the leaves will fall off and even die. The high temperature in summer should not be exposed, and it needs to be placed in a semi-shaded place for maintenance.
In winter, when the temperature drops to 5, it is necessary to reduce watering and keep the potting soil dry.
Podocarpus seedlings need to be transplanted into pots with soil, and maintained in a semi-shaded and ventilated place for 10-15 days, and can be maintained normally after taking the pot. The most suitable time for transplanting and changing potting soil is March to April in spring. Podocarpus has strong adaptability to soil, and the potting soil should be loose and fertile, well-drained and breathable, slightly acidic saprophyllous substrate soil or sandy loam. Or choose 5 parts of garden soil, 2 parts of coal soil and 3 parts of coarse sand to prepare culture soil, and mix with an appropriate amount of well-decomposed organic fertilizer as base fertilizer. >>>More
Podocarpus is an evergreen tree of the family of podocarpus. Because the seeds grow on the fat and bright red seed support, such as the arhat wearing a robe in the temple, it is named "podocarpus". In traditional Chinese culture, podocarpus symbolizes longevity, wealth and auspiciousness. >>>More
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In this way, you can water the podocarpus every 2-3 days, because it requires more water, and you can start watering along the edge of the potted plant every time you water, and you need to water all the soil thoroughly.
Watering podocarpus should be watered along the inner wall of the pot, slowly and thoroughly, but there should be no standing water. It is drought tolerant and not waterlogging, so it should be carried out dry rather than wet. Dry watering during the growing season, increase the amount of water in summer to avoid yellowing of leaves. >>>More