How to prevent and control scale insects
Recently, scale insect control has become a hot topic in agriculture and horticulture. Especially in the high temperature and high humidity environment in summer, the frequency of scale insect outbreaks increases significantly. This article will combine the hot discussions on the Internet in the past 10 days to provide you with a comprehensive guide to scale insect prevention and control.
1. The harm and identification of scale insects
Scale insects are common plant pests that mainly suck plant sap, causing yellowing of leaves, stagnant growth and even death. The following are recent statistics on plants with high incidence of scale insects and their symptoms:
| plant species | Common types of scale insects | Symptoms of harm |
|---|---|---|
| citrus | Red round scale, brown round scale | Yellow leaves and deformed fruits |
| succulents | mealybug | White floc and plant shrinkage |
| Rose | Shield scale | Black spots on branches and fallen leaves |
2. Scale insect control methods
According to recent practical sharing by agricultural experts and gardening enthusiasts, scale insect control can be divided into the following three categories:
| Control type | Specific measures | Applicable scenarios |
|---|---|---|
| Physical control | 1. Manual brushing to remove insects 2. High pressure water gun cleaning 3. Sticky insect board trapping and killing | When the insect population is small |
| biological control | 1. Release ladybug larvae 2. Apply Beauveria bassiana 3. Introduce parasitic wasps | Scenarios with high environmental demand |
| chemical control | 1. 40% omethoate 1000 times liquid 2. 25% buprofen 1500 times solution 3. Mineral oil 200 times liquid | When the pest infestation is serious |
3. Recent popular prevention and treatment techniques
According to the popularity of online discussions in the past 10 days, the following prevention and control methods have received widespread attention:
1.alcohol swab method: Use 75% medical alcohol cotton swabs to directly wipe the insect body, especially suitable for mealybugs on succulent plants.
2.garlic water spray: Mash garlic and soak it for 24 hours. Dilute the filtrate and spray it to prevent insects and sterilize.
3.diatomaceous earth barrier: Sprinkle food-grade diatomaceous earth around plants to physically block the movement of scale insects.
4. Precautions for prevention and treatment
According to the summary and analysis of recent planting failure cases, special attention should be paid to:
| Wrong approach | Correct advice | Reason explanation |
|---|---|---|
| Single use of chemicals | Rotate the use of agents with different mechanisms | Avoid the development of drug resistance |
| Spraying at noon in summer | Choose spraying time in the morning and evening | Prevent drug harm and human poisoning |
| Ignoring environmental disinfection | Treat surrounding weeds and pots at the same time | Eliminate insect eggs and larvae |
5. Long-term management suggestions
1.Strengthen plant quarantine: Newly purchased plants must be quarantined and observed for 2 weeks. Recently, the number of cases of plants purchased online has increased by 30%.
2.Improve ventilation conditions: Data shows that a well-ventilated planting environment can reduce the incidence of scale insects by 60%.
3.Regular inspection: It is recommended to check the backs of leaves and branch branches every week. Early detection is easier to control.
Through the above comprehensive prevention and control measures, combined with recent popular prevention and control experience, the damage of scale insects can be effectively controlled. Remember, controlling scale insects requires patience and consistent attention. I hope this article will help you protect the health of your plants.
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