What is the reason for the whitening of the leaf tips of my gentleman s orchid, and how to solve it?

In addition to the normal growth physiological law, the general leaf survival time on the plant is about 3 years, and the old leaves turn yellow and age and fall off naturally, which is the natural process of the growth metabolism of the orchid, but the new leaves are not normal in time.

The main symptom of leaf spot disease is the appearance of small yellow or brown dots on the leaf surface, and then the color of the spots gradually deepens, and the area of spot ulceration gradually expands, so that the leaves or the whole plant rot.

The main reasons for leaf spot are: first, the application of fertilizer that is not fermented. Allow germs to multiply in the potting soil.

Second, the potting soil has not been changed for a long time, and there are pathogenic bacteria in the old soil. The third is that the new soil is relatively raw and has not been fully fermented. Secondary fermentation in pots.

Fourth, the imbalance of nitrogen, phosphorus and potassium of fertilizers, especially caused by less potassium fertilizer or direct fertilizer contact with roots during fertilization. Different approaches to prevention and prevention are needed to address specific causes. The fertilizer applied must be fully fermented, the fertilization concentration should be small, nitrogen, phosphorus and potassium should be balanced, and the fully fermented nutrient soil should be replaced twice a year in spring and autumn, without raw soil.

In this way, leaf spots can be eliminated.

The main symptom of xanthophyllosis is that one leaf turns yellow locally, the yellow leaf part is irregular, and the end of the second leaf turns yellow first and gradually spreads to the pseudobulb. The three pseudobulbs first turn yellow and gradually spread to the leaf end, and the fourth is the whole leaf turns yellow from the bottom to the end at the same time. The first situation is caused by the surface of the leaf being burned by sunlight exposure, cold wind, local slug, snail and other pest bites where the germs spread, or the wound expands after trauma.

The reason why the leaf end turns yellow first is mainly that the rotten roots interrupt the leaf nutrition**, and the leaf begins to turn yellow from the tip of the leaf to the pseudobulb. or hypertrophy and thickness, the use of raw soil or poor soil quality can cause this phenomenon. The third condition may be caused by insect bites that gradually expand the leaves of the pseudobulb to the tip, or water accumulation at the pseudobulb in summer, and bacterial breeding of local yellow leaves.

And gradually spread. It is more common for the whole leaf to turn yellow at the same time, and the cause is more complex, mainly due to improper management. For example, poor ventilation in summer, large amounts of water, excessive fertilization, and root problems may cause the leaves to turn yellow as a whole.

Preventive measures, first of all, to prevent plant rot roots, so that the leaves can get sufficient nutrition, and then to eliminate trauma, to prevent the spread of wounds, the amount of fertilizer must be controlled, do not hypertrophy, summer adult flowers do not water to the false bulb, summer to pay attention to ventilation, cooling to strengthen management, regular spraying of carbendazim, chlorothalonil, methyl tobu, agricultural streptomycin and other sterilization drugs for prevention and control, that is, can reduce the occurrence of leaf spot, chlorophyllosis.

What is the reason for the yellowish-white leaves of the Monarch Orchid? How should it be resolved?

Clivia. Not only are flowering plants, but also leaves are beautiful ornamental objects. If there is a problem with the leaves of the Monarch Orchid, whitish or crooked, etc., what should I do, the following will analyze the reasons for the whitening of the leaves of the Monarch Orchid and how to solve other problems of the Monarch Orchid leaves.

This is because the light of the junzi orchid is not enough, and there is not enough sun, so the old leaves are white, and the newly grown leaves are also tender yellow, and the nightclub does not have a bright green and shiny appearance, just like the leek yellow of a large leaf. This is not a good sign, so move him to a sunny place to increase the light.

But be careful not to let it receive too much light at once, just like a person who has been in the dark for a long time and can't accept the light at once, otherwise he will be blind. We need to start by placing it in a bright place indoors, and gradually increase the light hours.

How to keep the leaves of the gentleman's orchid green.

There is a trick, which is to open the lid of the beer and let it stand in a cool place for about 3 days to let it rot, mix it with water in a ratio of 1:50, and often use this to wipe the leaves of the orchid, which can promote the photosynthesis of the orchid.

Let its leaves be evergreen and tender.

How to keep the leaves of the junzi orchid fat and shiny.

The organic fertilizer water should be mixed with water according to the ratio of 1:2000 and water, and the orchid should be watered and applied. At the same time, a layer of organic fertilizer is laid on the bottom of the pot, about 3 cm thick.

What to do if the leaves of the gentleman's orchid are not neat.

1.The placement of the Gentleman's Orchid should be: the vertical side faces north and south, and the horizontal side faces east and west.

2.If one of the leaves of the orchid grows crooked, which side is outward, cover half of the leaves with thick pieces of paper, and after a while it will grow on its own.

What is the reason for the yellowish-white leaves of the Monarch Orchid? How should it be resolved?

Hello, Gentleman's Orchid Causes of whitish and thinning leaves:

1. Soil fertility is reduced, and all soil needs to be replaced.

2. Semi-dormant state in summer, high temperature and stuffiness, poor ventilation, so poor growth, resulting in thinning.

3. Excessive watering, waterlogging of the root system, resulting in poor absorption.

4. Too little sunlight, poor photosynthesis, lack of chlorophyll.

Top dressing outside the roots. Fertilization in this method is mainly to make up for the lack of nutrients in the soil, so as to solve the problem of lack of fertilizer in the plant, so that the seedlings grow fast and the flowers and fruits grow hypertrophied. Extra-root fertilization is to spray the dilution of fertilizer directly on the leaf surface of the plant with a mist, so that the nutrients can penetrate into the leaf tissues through the leaf epidermal cells and stomata, and then be transported to the whole body of the plant.

Commonly used fertilization varieties include urea, sea meal, potassium dihydrogen phosphate, etc. When spraying, it should be sprayed evenly on both sides of the leaf. Spray once in 4 6 days during the growing season, once every 2 weeks when semi-dormant, generally sprayed after sunrise, and should be stopped after the plant blooms, it must be noted that this method can only be used if the plant is found to be lacking in fertilizer.

If the plant is nutritious and grows vigorously, it should not be used.

What is the reason for the yellowish-white leaves of the Monarch Orchid? How should it be resolved?

The yellowing of the tip of the leaves of the orchid is generally the rotten roots caused by stagnant water, lack of ventilation and excessive fertilization, the remedy is to dig out the whole orchid to check the roots, if there are rotten roots, remove the rotten part, and then re-pot, to place it in a place with good ventilation in half yin and half yang, can not be directly exposed to the sun, and can gradually recover its vitality after a period of maintenance.

The reason for the yellowing of the tip of the leaves of the gentleman's orchid.

The yellowing of the tips of the leaves of the orchid is generally caused by stagnant water, lack of ventilation, and excessive fertilization. In addition, when the high temperature is above 30, the leaves are also prone to yellowing. If the orchid is below 0, frost damage will occur, and there will also be yellow leaves at the tip of the leaf.

What is the disease of yellowing the tip of the leaves of the junzi orchid.

The yellowing of the tip of the leaves may be due to sunburn, which is generally sunburn after strong direct sunlight.

Yellowing of the tip of the leaves of the Gentleman's Orchid remedy.

The way to remedy the yellowing of the leaf tip of the orchid is to dig out the whole orchid to check the roots, such as rotten roots, remove the rotten parts, and then re-pot the empty stove, and place it in a place with good ventilation in half yin and half yang, and cannot be directly exposed to the sun.

Do you want to cut off the tip of the Junzi orchid leaf when it is yellow and dry?

If the yellowing of the tip of the leaves of the junzi orchid is caused by too strong light, then the yellowing part needs to be cut off; However, if the water and fertilizer are not appropriate, the rotten roots need to be cut off.

What medicine is used for the tip of the leaves of Junzi orchid to turn yellow.

The yellowing of the leaf tip may be due to leaf spot or anthrax, and the diseased leaves need to be cut off, then sprayed with the corresponding pests and diseases, and transferred to a ventilated environment, which can gradually recover its vitality.

The leaf tip of the orchid is yellow, which may be caused by too much sunlight, and it needs to be transferred to a cool environment for breeding, or it may be caused by improper water and fertilizer The leaf tip of the orchid is yellow, and the rotten roots need to be cut off, and then replanted in the soil for breeding.

1. The light is too strong

The yellowing of the leaf tips may be caused by too much light, so that the leaves of the plant are burned, and the yellowed part needs to be cut off, and then transferred to a cool environment, and the soil needs to be watered appropriately to keep the soil moist.

2. Improper water and fertilizer

The requirements for water and fertilizer are not high, but if the water and fertilizer are not appropriate, it will not be able to grow normally in the soil, and the leaf tips of the orchid will turn yellow, and the rotten roots need to be cut off, and then replaced with new soil for breeding, so that it can gradually recover its vitality.

3. Metabolism

What if the orchid begins to metabolize, so that the tip of the leaf is yellow, this is actually its normal phenomenon, do not need to worry too much, then you can cut off the leaves, reduce the consumption of soil nutrients, and then place it in mild sunlight to make it grow well.

4. Pest and disease hazards

If in the process of cultivating the orchid, accidentally by leaf spot or anthracnose, it will wilt and die for a long time, and the diseased branches need to be cut off, and then transferred to a ventilated environment, and sprayed with the corresponding pests and diseases, so that it can gradually recover its vitality.

The yellowing and withering of the leaf tips of the orchid may be due to improper watering and unseasonable watering. If the concentration is too high or the amount of fertilizer is too much, the root system of the plant will not be able to withstand it, and the leaves will also be affected. Strong sunlight can also burn the leaves, causing the tips to turn yellow.

In the process of maintenance, because of the hot climate, anthracnose caused by long-term ventilation is also one of the reasons.