What to do if the leaves of Jian Lan turn yellow? change the soil in time / pay attention to the method of fertilization

Jianlan is a kind of plant cultivated in all the major gardens in China, and it has a very high ornamental value. But no matter how high the ornamental value is, if there are yellowed flowers, it will affect its beauty as a whole, because it will be very abrupt. What about the yellowing of Jianlan leaves? In fact, it is easier to find the right way to solve the problem, and let's move on to the specific method.

1. What to do if the leaves of Jianlan turn yellow / pay attention to the method of fertilization

When the leaves of Jianlan turn yellow, first of all, we have to find the reason, because finding the reason can better deal with it. There are many reasons for the yellowing of Jian orchid leaves, such as fertilization, the wrong method of absorbing sunlight, the emergence of diseases and insect pests and so on. If it is caused by diseases and insect pests, you can refer to Jianlan pest control article, which has a detailed solution, here the editor will not introduce too much.

Second, the reason why the leaves of Jian Lan turn yellow.

1. Soil selection is not correct.

The selection of soil is the first and very important step in planting Jianlan, and there are many things that need to be paid attention to. When choosing soil, it is best not to choose soil that is too sticky, because if you plant it in this soil, it may lead to difficulties in absorbing nutrients and yellowing of leaves.

Solution: when choosing soil before planting Jianlan, it is best to choose a relatively loose soil, such as humus soil, coarse sand and garden soil, which can make the soil have better drainage and make Jianlan absorb nutrients more easily.

two。 Too much or not enough sunshine

Sunshine is a very important point when cultivating Jianlan. If you put it in direct sunlight, it is easy to burn, how to make the leaves lose vitality and turn yellow. Of course, if you don't see the sun indoors for a long time, it will make Jian Lan unable to carry out photosynthesis and gradually turn yellow due to lack of nutrients.

Solution: Jianlan this plant does not like direct sunlight, especially in the summer season when the sun is strong, it is best to move Jianlan to the indoor semi-shade for breeding, the environment must be ventilated, so as to avoid direct sunlight and not to absorb nutrients from the sun.

3. The method of fertilization is wrong.

The leaves of Jian orchid may turn yellow if the fertilization method is wrong or the fertilizer is not selected correctly. in the fertilization process, the fertilization method is the key, and it is relatively simple to find the right method to deal with it.

Solution: in the process of orchid growth, there are three times of fertilization is very important, but also can not be less, they are the germination stage, germination stage, and before the flowering stage. In the budding stage, granular fertilizer can be selected to fertilize outside the heel. Nitrogen fertilizer is selected for weekly fertilization during germination stage, and phosphate fertilizer is selected for weekly extra-root fertilization before flowering stage.

About Jianlan leaves yellowing how to do, I believe that after reading the above friends should know how to solve this problem, or that sentence, as long as find the cause of yellowing, it is still very simple to deal with. Anyway, I hope this article can give you some help.

The reason why the leaves of Jian orchid are yellowing what to do

Jianlan is one of the most popular family-raised flowers. If your Jianlan leaves turn yellow, you might as well take a look at the causes and solutions to the yellowing of Jianlan leaves.

The reason for the yellowing of Jianlan leaves:

Soil discomfort

The fleshy roots of Jiandan have developed and sturdy roots, so they have high requirements for soil permeability. if planted in the more viscous soil, it will affect the growth of the roots and cause the interruption of the nutrient transport channel between the roots and leaves.

Improper lighting

Jianlan is an orchid variety that likes light. If it is kept in the shade for a long time, the plant will reduce chlorophyll and the leaf color will turn yellow due to lack of photosynthesis; if it is exposed to the sun for a long time, the light is too strong, the plant is easy to burn, and the leaves will lose their vitality.

Improper fertilization

If there is too much nitrogen fertilizer, we all know that nitrogen fertilizer can promote the growth of leaves, but the root of Jianlan has nodules and has a certain role of polymerizing nitrogen elements. In a certain period of time, the content of nitrogen in the fertilizer is higher, which will cause fertilizer damage and leaves yellowing.

Disturbance of diseases and insect pests

Root decay is one of the reasons for the yellowing of leaves, and the leaves on the rotting ground are bound to grow poorly, yellowing and even withering.

In addition, scale insects can also cause yellow leaves, branches covered with insects, affecting plant photosynthesis, branches slowly withered.

What if the leaves of Jianlan turn yellow:

Change soil and adapt to light

Found that the soil is uncomfortable, immediately change the soil, you can choose a professional orchid culture soil, regardless of permeability or pH are more suitable. Try not to use the soil dug back directly from the outside, which is not very permeable.

In daily maintenance, put the orchid basin in a place with bright light, which can shine all day in spring and winter without shade. In summer and autumn, avoid the noon sun and shade properly.

Thin fertilizer is applied frequently

The most taboo of orchids is big fertilizer, flower friends who do not know how to fertilize must study hard, when it is time to apply fertilizer, the right or wrong of fertilization is related to the growth of Jianlan. Adhere to the application of thin fertilizer frequently, do not be lazy, so that Jianlan can grow strong.

Control of diseases and insect pests

When plants are found to be infected with diseases and insect pests, they should be dealt with in time. When rotting the roots, remove the plant from the pot, clean up the rotten parts, soak in the sterilized wild seeds for 20-30 minutes, dry and replant.

If scale insects appear on the leaves, 1000 times of omethoate can be used if the insecticide is sprayed in time.

What if the leaves of Jianlan turn yellow?

Jian Lanxi warm, humid and semi-shady environment, poor cold resistance, overwintering temperature of not less than 3 ℃, afraid of direct light, not resistant to waterlogging and drought, loose, fertile and well-drained rotten leaves on the elegant and beautiful flowers, with emerald green leaves like elegant beauty. But his own Jianlan turned yellow when he raised the leaves.

The reason for the yellowing of Jian Lan leaves

1. Soil discomfort: Jianlan fleshy roots have developed and sturdy roots, so they have high requirements for soil permeability. if planted in viscous soil, the growth of roots will be affected and the nutrient transport channel between roots and leaves will be interrupted.

2. Improper lighting: Jianlan is an orchid variety that likes light. If it is maintained in the shade for a long time, the plant will reduce chlorophyll and the leaf color will turn yellow due to lack of photosynthesis; if it is exposed to the sun for a long time and the light is too strong, the plant will be easily burned and the leaves will lose their vitality.

3. Improper fertilization: too much nitrogen fertilizer, we all know that nitrogen fertilizer can promote the growth of leaves, but the root of Jian Lan has nodules and has a certain role of polymerizing nitrogen elements. In a certain period of time, the content of nitrogen in the fertilizer is higher, which will cause fertilizer damage and leaves yellowing.

4. disturbance of diseases and insect pests: root decay is one of the reasons for the yellowing of leaves, and the leaves on the rotting ground are bound to grow poorly, yellowing and even withering.

In addition, scale insects can also cause yellow leaves, branches covered with insects, affecting plant photosynthesis, branches slowly withered.

What to do about the yellowing of Jian Lan leaves (treatment method)

1. Change soil: if you find the soil uncomfortable under suitable light, you can choose professional orchid culture soil, regardless of permeability or pH. Try not to use the soil dug back directly from the outside, which is not very permeable.

2. in daily maintenance, put the orchid basin in a place with bright light, which can shine all day in spring and winter without shade. In summer and autumn, avoid the noon sun and shade properly.

3. Diligent application of thin fertilizer: the most taboo thing about orchids is big fertilizer. Flower friends who do not know how to apply fertilizer must study hard and apply fertilizer in time. The right or wrong of fertilization is related to the growth of Jianlan. Adhere to the application of thin fertilizer frequently, do not be lazy, so that Jianlan can grow strong.

4. Prevention and control of diseases and insect pests: when plants are found to be infected with diseases and insect pests, they should be dealt with in time. When rotting the roots, remove the plant from the pot, clean up the rotten parts, soak in the sterilized wild seeds for 20-30 minutes, dry and replant.

5. Scale insects appear on the leaves. If the insecticide is sprayed in time, 1000 times of omethoate can be used.