Cause of plant disease and problems Cordyline : Cordyline is a beautiful plant with fiery leaves that has many fans. If you have this plant or you want to buy it, it is better to be familiar with the problems and pests of Cordyline and its cause, such as: the cause of yellowing of Cordyline leaves, and to know the cause of disease and problems of Cordyline so that you can have enough information when necessary. Deal with them and take the necessary steps:
Causes of Cordyline Disease and Problems:
Cause of burn of Cordyline leaf tips:
This plant is sensitive to chlorine in water and will burn the tips and margins of the leaves, and in acute conditions, even the inner areas of the leaf area may turn brown and all the leaves may be destroyed. To prevent or solve this problem, leave the water aside for about 24-48 hours and then use it to irrigate this plant.
If the tips of the leaves turn brown and the lower leaves fall off, dry air can be the cause. To solve the problem and supply the plant with moisture, you can spray the plant with lukewarm water.
Or choose a larger pot and fill it with pebbles and fill it halfway with water and place the pot on it so that the bottom of the pot is not in contact with water that will cause root rot.
Another way is to place a container full of water near the pot to evaporate the water to provide the plant with the moisture it needs.
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Cause of wrinkling and drying of Cordyline leaves:
Hot air initially burns the tips of the leaves, and if these conditions continue, the leaves will wrinkle and dry out. Move the plant to a cooler place and supply its moisture from one of the theses mentioned above.
Cause of burnt brown spots on leaves:
Spraying in direct sunlight can cause this problem. Avoid spraying water on the leaves of the plant in direct sunlight.
Cause of yellowing of Cordyline leaves:
Lack of light also causes the leaves to fade and the beautiful color of Cordyline leaves to disappear, especially in red leaves, and the leaf area becomes almost green. Also, excessive use of fertilizers and reinforcing materials can reduce the color of the leaves in colored models.
The reason for the discoloration of Cordyline leaves:
There is not enough light, move the pot to a brighter place. This plant needs more light than other plants to maintain the beautiful color of its leaves.
Cause of small and deformed new leaves:
Lack of nutrients is the cause of this problem. Do nutrition every two weeks and according to the instructions.
Cause of rot and fall of Cordyline leaves:
Cold or excessive watering is the cause of this problem. To remove it, move the plant to a warmer place and make sure that the soil surface is completely dry and then start watering again.
Observing spider stains on the underside of the leaves is a sign of the presence of this pest, which also causes the leaves to turn yellow. Eliminate the symptoms with a cotton swab dipped in acaricide and rubbing it on the back of the leaves. Spraying is also effective in reducing the pest. Is.
The presence of gray-silver streaks in the feeding area of the pest is a sign of the presence of this pest. To solve the problem, you can use systematic pesticides.
Blight is one of the diseases of this plant that causes juicy spots on the leaves and stem rot. The spots join together and create large areas that can cause the destruction of the entire leaf. This disease has no chemical solution and only during the maintenance and purchase of the plant by observing issues such as the use of disinfectant planting mixture. Do not get the leaves wet during irrigation. Proper drainage of the planting bed can reduce the likelihood of the disease.
Fusarium leaf spot:
The disease causes sores on the leaves, especially young leaves in the upper parts of the plant. The spots are yellow to brownish-red and come in different shapes. The spots are interconnected and form large areas and destroy the leaf. Sometimes a yellow border surrounds the wounds. To prevent this disease, make sure that the leaves do not get wet during watering. If the symptoms are severe, a fungicide can be used.
The disease affects the stem and roots, causing the lower leaves to turn yellow and the plant to gradually wither. Wounds also form on the stem near the soil surface. Unfortunately, the only way to cure this disease is to kill the infected plant.
Philosticta leaf spot:
It causes wounds with a diameter of half to one millimeter, especially in the older leaves of the plant, which are usually yellow with a purple border. In case of high humidity, the disease may cause the leaves to fall.