Growing orchids and playing with orchids is a hobby for many people. However, one of the diseases that causes headaches for orchid enthusiasts is:soft rot disease on orchids.To help orchids solve this problem,Microbial product Duc Binhhas gathered and summarized a lot of documentsto provideto readers. This article is the most specific proof for you guys!
Causes of soft rot disease on orchids and effective ways to prevent and treat it
1. What is soft rot disease on orchids? Agents and causes of disease?
Soft rot disease on orchidsis a fairly common disease and very difficult to treat. The disease is caused by the bacteria Erwinia Carotovora. They enter through open wounds on trees. From there it can grow and spread to other parts very quickly.
Soft rot disease on orchids
Pathogens
The biggest factor that helps this type of bacteria grow is moisture. Especially orchids that are crushed during transportation, if exposed to water, they will be susceptible to diseasementioned above.
Signs of soft rot disease on orchids
First manifestationto usIdentifying an infected orchid is: On the leaves will appear some small dots that look like burned leaves. Then they spread quickly to the entire area of the leaf, turning them yellow. The disease will become more severe as it spreads to the tops and roots.
Initial signs show that orchids have soft rot disease on orchids
You can checkOrchids have soft rot disease passedObserve with your eyes or you can also use your hands to check. The roots will gradually change from yellow to brown and when severe, they will turn black, feel viscous to the touch and have a very unpleasant smell. Most of this disease is common in Phalaenopsis plants, Cymbidium orchids… Because these types of orchids have succulent leaves, the leaves are easily damaged.
It can be seen that recognizing soft rot disease in orchids is not difficult? The leaves will turn from green to yellow, then brown and finally black with a rotten smell. You can rely on the above signs to detect the disease early and treat it promptly.
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Factors affecting the development and spread of soft rot disease on orchids
There are many reasons why rot disease in orchids spreads quickly. However,The main cause was identified as::
- Erwinia Carotovora bacteria can exist in sick individuals. In other words, remnants of the disease are still in the growing equipment that has not been cleaned. Or tools used to grow orchids.
- Erwinia Carotovora bacteria can also move through water and other living insects such as jumping bugs, aphids, ants… These are insects that live and operate quite commonly in gardens.
- According to researchSoft rot disease on orchidsthrives in places with no drainage capacity. Their favorite temperature is 27-320C and the appropriate pH is neutral.
Water is one of the main factors causing soft rot disease in orchids
- Most orchids with succulent leaves often suffer from this disease. Because these plants are very susceptible to damage to the leaves during transportation. This is the main reason for Erwinia Carotovora bacteria to invade and grow.
2. How to treat and treat soft rot on orchids
Preventing and treating orchid diseases is necessary if you do not want your “beloved” to “die suddenly”. One of the steps you need to do now is:
- When you detect signs of soft rot on orchids, you should not water the plant.Then we find a way to separateDiseased plants are removed from the orchid garden.
Do not water orchids too much when you detect signs of rot disease
- Next, the homeowner needs to consider fertilizing and caring for the tree according to the correct nutritional regime. You can reduce or not use fertilizers with high nitrogen content during the treatment period for plants.
- One of the very important jobs is to remove diseased stems, tops and roots from flower pots. Purposeof this isDo not let Erwinia Carotovora bacteria spread and invade other locations.
- In addition to cutting back on water, fertilizer and removing diseased parts, you also need to use some medications to treat orchid rot. Specifically, drugs: Novaba, Bronopol, Starner, Kasuran… You can spray or spray directly on flower pots and diseased areas.
- Regularly use Trichoderma biological products to spray orchids to prevent fungal diseases that damage the plant
Trichoderma preparations for watering plants against fungal diseases –Used to water and spray orchids to prevent rot disease
- In case the plant is too sick, we should remove the entire orchid and then soak it in the medicinal solution for about 10-15 minutes. Next,you take out the orchidand drain before replanting. However, when planting, you should transfer it to a new pot.
- At the same time as the above actions, homeowners should disinfect their entire orchid trellis. At the same time, after 5-7 days, spraying will have to be done once.
- One of the factors that orchid hobbyists need to pay attention to when using medicineSoft rot disease on orchidsThat is to comply with the technical specifications required by the manufacturer.
Use some drugs to prevent soft rot disease on orchids
- If the signs of the disease on the orchid improve, the homeowner can use B1Mix with water and spray as mist on orchids. When new roots develop, you can transplant them to the orchid so they can grow normally.
The above isVery important knowledge so that orchid hobbyists can treat orchids quickly and thoroughly. Please refer and apply to keep your family’s orchid garden always green and lush.
3. How to prevent soft rot on orchids
There are many ways we can prevent the diseaseSoft rot disease of orchids. However, ifusKnowing how to combine all of the above methods is really meaningful. What we can definitely predict is the family’s orchid gardenwillAlways green and healthy. So what is the way to prevent it?
Observe and check orchids daily
Watching and observing is an annual activity for flower growers. Therefore this job is not required? However, viewing orchids must go hand in hand with the task of checking!If weIf you detect unusual signs of the disease early, treatment will not be too difficult and time-consuming.
Viewing flowers involves examining them on a regular basis
In fact, soft rot disease on orchids develops quite quickly. Only after 1-2 days will there be signs of illnesshas been spreadfast. If it is the rainy season, the condition becomes even more severe. With just 1-2 weeks of work, it is very possible that your beloved orchid basket cannot be saved.
Water sparingly but regularly
Many orchid hobbyists often think that this is a water-loving plant. That’s why it’s easy to make mistakes when taking care of it. In fact, orchids are very susceptible to diseases, especially succulent fake orchids. If the environment is too humid, it will be a favorable condition for bacteria to grow and spread through open wounds.
Therefore, adequate watering is one of the effective measures to prevent soft rot disease in orchids. Those who have experience playing orchids will definitely understand this “weapon”. However, people new to the profession may not understand it allshouldMaking mistakes is understandable.
Cleaning, pruning and cleaning the orchid garden
This is an annual job for orchid players. If you want orchids to grow and develop well, you mustguaranteedVentilation, sunlight and drainage system must be very good. Especially the tree roots. You can use an orchid growing stand with good ventilation, and choose suitable wood.
Pruning and cleaning the orchid garden is also a good way to prevent plant diseases
In addition,usMust regularly prune yellow, withered leaves and old orchid branches to avoid creating hiding places for pests and bacteria to grow. Besides, orchid hobbyists must also regularly clean orchid baskets to avoid moss growth and development. Replace the rotten substrate with coconut fiber, wood bark, pine bark, moss… to increase nutrition for the orchids.
Spreading and sprinkling lime throughout the orchid garden is also a way to prevent itSoft rot disease on orchidsquite good. Because they can destroy fungi and bacteria that are not beneficial to plants.
Creates a protective membrane for silk sprouts
This is considered the strongest firewall to protect germs from being attacked by pests and bacteria. Specifically, we can choose drugs with the main ingredient Mancozeb. This medicine not only has the function of preventing fungal attacks but also helps the sprouts develop. You can spray periodically every 20 days.
Do not waterfor orchidstoo much when the weather is humid, specifically the rainy season, morning or evening. Especially in the evening. Because at this time the tree will be in a damp state for too long, which can easily weaken the immune system and the tree will be easily attacked by bacteria.
If you know how to take care of it, you will definitely have the orchid garden you want
In addition, homeowners absolutely must not water orchids at noon. Because the outdoor temperature is too high, watering is necessaryorchidIt is very easy to burn the tree. This is a favorable condition for bacteria to penetrate inside.
You shouldChoose and consider when using fertilizers with high nitrogen content. Because this is also one of the factors that help pests grow and develop quickly. Most of the most suitable fertilizers for orchids are organic fertilizers.
4. Good tips to help your orchid garden stay healthy during the rainy season
Orchids are very intolerant of the rainy season. Therefore, how to make your orchid garden grow healthily through the rainy season is a question many people ask. Below is a good experience shared by veteran orchid players:
It is necessary to well control the orchid growing environment
Orchids can only grow healthily if the space is spacious, airy, has good wind circulation, and is not locally damp. To do so, we must regularly prune dry branches, old leaves or dense branches on each orchid pot to both create normality and destroy hiding places for bacterial strains that cause rot disease.
The growing medium for orchids must be loose and not store water for a long time. If the substrate is waterlogged, it will cause the orchid to die prematurely. Therefore, orchid hobbyists must actively check the drainage holes on each orchid pot to make sure they are not clogged.
Another important thing when taking care of orchids during the rainy season is to limit watering, especially in the dark and late afternoon. You should only water when the orchid growing medium is completely dry. In the evening, the humidity in the air is high, so watering the orchid will keep the plant wet all night. This is an ideal environment for fungi and bacteria that cause diseases on orchids to become more active.
Monitor orchids periodically
During the process of planting and caring for orchids, farmers must check regularly. If you notice yellow orchid leaves, fading flowers or any part of the plant showing signs of disease, you must find a way to treat it immediately. We use scissors or a sterilized knife to completely remove the diseased part.
Next, you use lime or antiseptic to apply to the cut to prevent the disease from spreading on a large scale. If you observe a few sick orchids, you must immediately isolate them. The minimum quarantine period is 2 to 4 weeks.
Increases resistance for orchids
In order for orchids to grow healthily through the rainy season, you must make sure that you have added all the necessary nutrients to the plant. Only when they are healthy will their resistance be enhanced and the risk of disease will be repelled. People need to know: During the rainy season, priority must be given to fertilizing with fertilizers containing a lot of potassium and calcium, avoid fertilizing too much nitrogen because nitrogen will make the tree trunk soft, so the risk of rot is higher. Along with the above measures, orchid hobbyists need to proactively prevent plant diseases with the most positive measures recommended by experts. That way, your orchid garden will stay green and easily get through the winter.
Hopefully this article has helped you find ways to prevent and treat soft rot on orchidsmost effective. However,the most optimal wayIt’s still a hospital room, right? Our ancestors often said “prevention is better than cure”.never wrong.
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Microbial products Duc Binh – Center for research and application of biological productsspecializes in research, production and application of product lines: Probiotics, septic tank enzymes, wastewater treatment enzymes, aquatic enzymes, biological products…
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