What to do about rose and peanut bugs
Roses are a favorite of many florists, but the hot and humid environment in summer can easily cause insects to breed in roses, affecting their growth and ornamental value. In the past 10 days, discussions on rose diseases and insect pests have been very popular across the Internet, especially common issues such as how to prevent and control aphids, red spider mites, and powdery mildew. This article will provide you with detailed solutions based on recent hot topics.
1. Common pests and symptoms of roses
| Pest type | Symptoms | High season |
|---|---|---|
| aphids | A large number of green or black insects gather in the buds and buds, and the leaves curl | Spring and summer |
| Starscream | Small red spots appear on the back of the leaves, and the leaves turn yellow and dry | Hot and dry summer |
| powdery mildew | White powdery mold appears on the surface of the leaves, which may fall off in severe cases | spring, autumn |
| thrips | Brown stripes appear on the petals and silvery white spots on the leaves | summer |
2. Ranking of recent popular prevention and treatment methods
According to data from gardening social platforms in the past 10 days, the following methods have been mentioned most frequently:
| Ranking | Prevention and control methods | support rate | Applicable to pests |
|---|---|---|---|
| 1 | Garlic pepper spray | 78% | aphids, thrips |
| 2 | Alcohol swab physical removal | 65% | Aphids, scale insects |
| 3 | Milk water to prevent powdery mildew | 58% | powdery mildew |
| 4 | Diatomaceous earth broadcast | 52% | spider mites, ants |
| 5 | Yellow Stickyworm Board | 47% | Plant lice, thrips |
3. Step-by-step solution
Step One: Early Identification
Check the front and back of the leaves every day, paying special attention to the new shoots and buds. Isolate the plants immediately when a small amount of insect infestation is detected.
Step 2: Physical removal
1. Wash the leaves with strong water flow (suitable for spider mites)
2. Dip a cotton swab into 75% alcohol to kill (suitable for aphid clusters)
3. Remove severely diseased leaves by hand (sterilized scissors required)
Step 3: Make your own biopharmaceuticals
Garlic Chili Water Recipe:
50g garlic + 30g spicy millet + 500ml water, soak for 24 hours, filter, dilute 1:10 and spray, twice a week.
Milk water formula:
Mix whole milk and water at a ratio of 1:9 and spray it on a sunny morning to prevent and control powdery mildew.
Step 4: Chemical Control
| Potion name | dilution ratio | safety interval |
|---|---|---|
| Imidacloprid | 1:1000 | 7 days |
| abamectin | 1:1500 | 10 days |
| difenoconazole | 1:2000 | 15 days |
4. Preventive measures
1.Environmental control:Maintain good ventilation to avoid long-term accumulation of water on the leaves
2.Reasonable fertilization:Supplement potassium fertilizer once a month to enhance disease resistance
3.Regular disinfection:Quarterly preventive spraying with biopesticides
4.Variety selection:Give priority to planting varieties with strong disease resistance such as "Fengping" and "Double Happiness"
5. Recently, netizens have been hotly discussing QA
Q: Do I need to re-spray if it rains after spraying?
A: If it is washed away within 6 hours after rain, it needs to be sprayed again. It is recommended to pay attention to the weather forecast.
Q: How to prevent insects when planting on the balcony?
A: You can hang an insect-proof net + onion skin leaching solution once a week for prevention. Be careful not to mix it with vegetables.
Q: What should I do if pests recur?
A: It is necessary to completely replace the surface soil, disinfect the flower pots with boiling water, and clean the garden in winter.
By using the above methods, you can not only effectively solve your current pest problem, but also prevent possible future pests and diseases. Remember, early detection and early treatment are key, and hopefully your rose garden will bloom healthily!
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