Is your plant showing black spots? This is a sign that your plant is receiving too much water. Another cause, the possibility of your plants being attacked by pests or fungi.
In addition to leaves, other parts such as stems and stalks can also be attacked by black spots. Of course, this can reduce the beauty of your ornamental plants. The best way to prevent black spot is to keep the plant healthy, and to find out the cause of the black spot.
This time, Popbela has summarized the various causes of black spots on plants from various sources. listen, come on!
1. Decreasing plant age
If black spots appear on the underside of the leaves, chances are that your plant has experienced a decline in age. Decreasing age in plants naturally, will slowly blacken the underside of the leaves. You can slow down the blackening of the lower leaves, by taking proper care. Make sure your plants get sunlight evenly, so that it helps plants grow optimally.
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2. Excessive watering of plants
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One of the causes of black spots on plants, is excessive watering. You need to understand the water needs of your plants. If too few plants you can dry and die, on the other hand, if too many will cause black spots on plants.
Black spots due to excess water, will appear from the roots which then spread to the leaves. You can pull out the roots to make sure the plant roots are still strong and not rotting.
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3. Fungal infections in plants
dengarden.com –
Some plants require special care because they are easily infected with fungi. You need to understand exactly how to care for the plants you are growing. Fungal pathogens, like moist and wet conditions, fungi can also easily spread through droplets or splashes of water.
To reduce the risk of fungal infection, you should make sure your plants are slightly dry and the leaves are not wet. If your plant is already infected, immediately cut the part affected by the fungus to cut the chain of contamination.
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4. Bacterial and viral infections
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The cause of black spots on plants, one of which is bacterial and viral infections. Each plant has different triggers, plants with stress conditions are more susceptible to virus infection. Immediately remove the part of the plant that has black spots to avoid further infection. Also provide distance between plants, so that bacteria and viruses do not spread to other parts.
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5. Pest attack
gdmorganic.com –
The appearance of black spots on plants could be due to pests. Some pests that often attack plants include aphids, mealybugs, spider mites, scale, thrips, gnats, and root mites.
Aphids will appear in groups on leaf shoots, this causes the leaves to hurt, turn yellow, and change color. The aphids secrete sweet nectar, which grows black sooty mold. You can eradicate pests with natural pesticides, and do regular checks, to eradicate pests that may come back.
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6. Get sick
lovethegarden.com –
The cause of black spots on plants, one of which is because your plant is being attacked by a disease. Black spot disease is caused by a fungus colletotrichum lindemuthianum. Usually, the disease is carried by seed which then survives on an alternative host or on the plant itself. Cool temperatures with high humidity levels will accelerate the process of fungal growth.
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7. Excessive sunlight
omicsonline.org –
When your plant gets too much sun exposure, the leaves will burn and die. Changes in color, from green to brown, occur on the top of the leaf, because there are no other leaves to shade it. To avoid this, you need to provide shelter for plants, and do regular watering and fertilizing.
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8. Stress on plants
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Stress on plants, can be one of the causes of black spots. Stress is usually caused because the plant is not able to adapt to the new environment. In addition, plants also do not absorb nutrients properly, thus inhibiting growth.
To avoid stress on plants, you need to make sure the plants get enough sunlight, meet nutritional needs, and meet their water needs.
That is the cause of black spots on plants, which can be detrimental to the growth of your plants. As a form of prevention, you need to buy healthy seeds so that they grow well, do regular checks to avoid pests and diseases, and provide adequate fertilizer and water.
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