As a garnish for delicious dishes, onions play a supporting role in many famous dishes. It is often seen growing in balcony vegetable gardens. It can be eaten and looks good when grown in pots. Today I will tell you about the pest and disease control measures in potted onions so that onions can be grown at home. Planting is easy!
| Chinese name | Onions |
|---|---|
| Difficult to cultivate | Easy |
| Growth cycle | About six months after planting |
| Main diseases | Rust and atrophic diseases |
| Main pests | Aphids, leaf flies, onion thrips |
Measures to combat onion diseases
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Onions are a relatively disease-resistant vegetable, but they can cause viral infections from the environment.
Main types of diseases
The main diseases of onions are powdery mildew, rust and shrinkage.
- Powdery mildew: Pale yellowish-white spots form along the veins of the leaves, and white mold grows on the back of the lesions.
- Rust: Small round or oval spots form, and eventually the epidermis is destroyed and yellow spores are exposed.
- Atrophic disease: Yellow spots appear on the leaves, and the leaves wilt and wilt easily.
When onions are exposed to high humidity and poor ventilation, powdery mildew and rust are likely to occur. Shrinking diseases are caused by viruses spread by pests such as aphids and thrips.
Disease control point
To prevent onion disease, it is important to maintain good drainage and avoid excess moisture. In addition, since harmful pests can spread viruses, if you use insect repellent net it is also an effective pest controlMeasures.
When selecting onion seedlings, try to choose healthy seedlings, avoid reuse of soil, choose new soil for planting, and avoid high temperature and humidity as the basis for disease prevention.
Measures against pests on onions
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If no measures are taken to prevent and control pests, onion seedlings will be destroyed by pests, which is not conducive to onion growth.
Main pest types
The main pests of onions are aphids, weed beetles, thrips, etc.
- Aphids: gather on leaves and stems and suck plant juices. Spread viral diseases.
- Weed beetles: are nocturnal and eat leaves at night.
- Onion thrips: Slender insects that breathe leaf sap and turn the leaves white.
Because weed beetles are omnivorous, they can even eat onions. If the roots of onion seedlings are damaged, they should be dealt with immediately.
Pest Control Point
- Sprinkle medicine
- Kill if you find it
As a measure against onion pests, early action must be taken if the pest is detected.
Precautions when handling medications
When using medicine, pay attention to the control of dosage and do not touch the medicine directly with your hands. Also avoid strong windy days, use tools and clean them in time, and avoid mixing different medications.
When handling medications, pay attention to package instructions. When diluting and using medicine with water, please do not discharge the remaining medicine into sewage, etc. diyju.com
Potted onions are not only edible but can also prevent colds and repel mosquitoes. They are very suitable for placing in the living room or balcony. How to prevent onions from getting sick? Have you learned the types of onion pests and diseases and their prevention and control measures? Let’s grow healthy and delicious onions together.
Extended reading:
1. How to grow beans. Illustrated tutorial on growing beans and peas
2. Illustrated tutorial on growing cabbage: How to grow cabbage
3. How to grow your own sunflowersIllustrated tutorial on planting sunflowers
4. Rose planting tutorial: How to grow roses
5. How to germinate grains and plant sprouts picture tutorial
