-
If potted jasmine is not properly managed, the leaves will often turn yellow, and the leaves will be yellowed and grow poorly, and the flowering will not be ideal; The heavier ones gradually weakened and died. The causes of yellowing of leaves are roughly as follows.
1) Overwatering. Although jasmine likes moist soil, it is waterlogged. If the potting soil is too wet for a long time, it will cause root rot, yellowing of leaves, and even plant death due to lack of oxygen.
In this case, as long as the pot is moved to a shady place, the watering is strictly controlled (if the potting soil is not too dry, it must not be watered again), and the potting soil is often loosened to improve the aeration of the potting soil, so that after a period of time, the plant can gradually grow new roots and the leaves turn green.
2) The soil is alkaline. Jasmine likes slightly acidic soil, such as using water with more salt content or long-term use of tap water, which is easy to make its plants grow poorly and the branches and leaves yellow. If it is caused by the alkaline water used for irrigation and the potting soil, a thin ferrous sulfate aqueous solution can be applied during the growth period, so that the yellowing old leaves of the plant can soon turn from yellow to green.
3) Insufficient nutrients. Long-term failure to change the potting soil and fertilize has caused the supply of nutrients to exceed demand, resulting in the yellowing of jasmine leaves. To curb such a situation, just repot the plant; Replace with fertile, loose sandy loam soil and apply liquid fertilizer regularly (note when fertilizing:
If it is too thick, or the application of organic fertilizer that is rotted at the end of the year, it will cause "burning roots", and it will also cause the branches and leaves to turn yellow), and soon the jasmine will grow normally.
The causes of yellowing of jasmine leaves are sometimes single, sometimes caused by a combination of two or more causes. This requires careful analysis, careful diagnosis, and the right medicine. Generally speaking, if the growth of the plant is poor during the growth period and the leaves gradually turn yellow, this is mostly caused by watering water and potting soil alkaline; If a normally growing plant suddenly turns yellow on its leaves, it is often the result of overwatering or fertilizing too much, causing root rot.
Once the cause is identified, the above measures can be taken to save the day.
If your jasmine is not due to overwatering, it is suffering from stem rot, use the following control methods:
Jasmine stem rot. The disease occurs at the base of the stem, and the initial lesions are brown and water-stained. The lesions expand vertically into streaks.
The edges are dark brown, the inside is grayish-brown, and the tissues of the later disease are rotten and longitudinally cracked, and black granules appear. The disease occurs all year round during the greenhouse maintenance period, especially in early spring. Outdoor maintenance also occurs in August and September.
High temperature and humidity conditions are conducive to the occurrence of diseases.
Prevention and control methods: When the flowers are potted, they can be sprayed with a degree of stone sulfur mixture; You can use 70% of the 600-1000 times solution of Tobra to smear the lesions or apply the branches, or use 500 times of Fumeishuang, the effect is also good.
-
Watering too much. Too much water is not good, nor is it good to be exposed to the sun, so you should avoid the midday sun.
-
What causes the new branches and leaves of jasmine to dry up and rot? What should I do?
-
Hello, yellow leaves are normal to collapse, generally due to jasmine lack of nutrients or affected by pests and diseases, resulting in yellowing and rotting of leaves. If you want to prevent jasmine leaves from turning yellow and rotten, you should do the following:1
Keep the soil moist: Jasmine prefers a moist environment and should be watered regularly to keep the soil moist and prevent the leaves from turning yellow and rotten. 3.
Avoid pests and diseases: Jasmine is susceptible to pests and diseases, and should be controlled in time to avoid leaves turning yellow and rotten. 4.
Avoid excessive bright light: Jasmine should not be exposed to strong light for a long time, and excessive strong light should be avoided to avoid the leaves becoming waxy and rotten.
-
Today, everyone found my jasmine. Its new branches and leaves withered and then rotted. So what is the reason for this situation?
1.In fact, the root system is damaged because of my jasmine pot, which I cultivated outdoors and in the open air. In addition, there is a lot of rain near the reed, so this phenomenon of root damage occurs when the potting soil is moist for a long time.
Then once the roots are damaged, the branches and leaves are prone to this dry rot. In this case, the rot of the branches and leaves is particularly serious, so it is necessary to remove the pots in time, prune the roots, disinfect and replant. 2.
Spay/neuter care. If the damage to the branches and leaves is not serious, as in my case, there may only be a few parts damaged, then clean up these damaged parts first, and then spray this fungicide to protect them at this time. As a fungicide, thiophanate-methyl can be used at this time.
At this time, carbendazim alone is not effective, because carbendazim is not systemic. We use thiophanate-methyl because it is a systemic fungicide that can be absorbed by plants and then form this carbendazim in the body, which can play a very good bactericidal effect. About 7 days, spraying once, about 2-3 times, is enough.
3.Ventilated environment. As I said earlier, it's because the potting soil is too wet and hurts the roots.
If it is dry, first we can loosen the soil in this way to increase the air permeability and drainage of the potting soil, and then put it in a particularly well-ventilated place. Then do not get caught in the rain, do not water, and dry as soon as possible. If you have some granular fungicide at home, you can sprinkle some into it.
I'm using this granular fungicide powder. At this time, I don't mind watering this sterilization water again, because the potting soil itself is very wet. If this disinfectant is poured again, it will be difficult for the pot to dry.
It is more convenient to use this pellet type. Of course, we can also take this plant out of the pot like this. Then put it in a well-ventilated place so that the soil can dry faster.
Then, this method is more suitable for cases where the root injury is not too serious.
-
There was a proverb in the past: "Jasmine that can't die in the sun", but why do the leaves of jasmine turn yellow and dry up? However, it can be determined that the yellowing of jasmine leaves is not caused by sun exposure.
The main reason for the yellowing and dryness of jasmine leaves is probably related to watering, fertilization, etc., and I think there may be reasons for this
Although jasmine prefers moist soil, it is afraid of waterlogging, and if the potting soil is too wet for a long time, it will rot roots, cause yellowing of leaves, and may even cause death.
If there is overwatering, you need to stop watering and increase ventilation, loosen the soil on the surface of the potting soil to allow the excess water to evaporate, or use a small tool to make a hole in the edge of the pot, use kitchen paper, and absorb the excess water.
Jasmine is not drought tolerant, afraid of stagnant water, observe the potting soil when watering, as long as the potting soil is dry, you can water, and water it thoroughly at one time.
Jasmine likes slightly acidic soil, in the maintenance process, to keep the soil in a slightly acidic state, if you usually water directly with tap water, otherwise, with the number of watering, the potting soil will slowly become alkaline, resulting in jasmine leaves yellowing, and even wilting plants.
When watering jasmine, try to use rainwater, because the rain itself is slightly acidic, when watering with tap water, you need to leave the tap water for a few days before watering to avoid rapid alkalinization of the soil.
In addition, in addition to normal watering, jasmine also needs to be regularly watered with diluted ferrous sulfate solution or chelated iron solution to supplement iron and keep the soil in a slightly acidic state, so that jasmine can grow and bloom normally.
Jasmine likes fertilizer, especially during the flowering period. If you do not change the pot for a long time, the potting soil has no nutrients, or if you do not fertilize it, the nutrients are insufficient, which will cause the jasmine leaves to turn yellow.
When fertilizing jasmine, it is advisable to apply thin fertilizer frequently to avoid the concentration of fertilizer being too high, damaging the root system of jasmine, causing yellowing of branches and leaves, and even wilting. Of course, if you don't change the potting soil or fertilize jasmine for a long time, because of the lack of nutrients, it will also cause yellow leaves.
Use organic fertilizer or rice water to irrigate jasmine, it needs to be completely rotted or fermented before diluting and watering jasmine, otherwise it will easily burn the root system and cause yellow leaves.
To maintain jasmine, you need to remember that jasmine likes strong light, even in the summer sun, jasmine will not be timid, but insufficient light, lack of photosynthesis, may also cause yellow leaves; When the air is dry, spray frequently, keep it moist, and be sure to water thoroughly every time; Jasmine likes fat, but doesn't like thick fat.
-
The reason for the dead leaves of jasmine is: if the light is insufficient, it is easy to cause problems with the growth of jasmine and dead leaves, so it is necessary to place the jasmine in a sunny place to maintain it so that it can fully absorb the light; When the temperature is too low, frost damage to jasmine can also cause the leaves to dry out, and temperature regulation is also important.
-
Mainly because there may be no fertilizer, or it may be because there is too much watering, so this phenomenon will occur, and jasmine can not be watered too much.
-
Because there are some problems with the growth state of jasmine, it may also be caused by lack of water, so you should observe the state of jasmine and then water the flowers.
-
It may be that you don't water very much, and the soil is also lacking some fertilizer, which is likely to cause the leaves to turn yellow.
Jasmine leaves look like this.
Jasmine leaf mutilation can be due to several reasons:
1.Insect infestation: Jasmine leaf defects can be caused by insect infestations, such as snails, etc. Immediate measures such as the use of pesticides should be taken to prevent further spread of the pest. >>>More
Small red particles? How big? It's not small, but a lot.
If you twist it with your hands, will there be reddish-brown marks on your hands? >>>More
This season is not the time to transplant flowers, to transplant can not change its original soil, can only be a small pot for a large pot, the original soil as before. >>>More
What to do if jasmine leaves wilt.
1. Insufficient light. >>>More