Rosa pesticides DIY guide, secrets to preventing spider mites and aphids on roses.

Nine of ten roses died

As the king of garden flowers, rose is often invaded by red spiders and aphids, causing the tragic situation of "nine trees die". This article will reveal 7 tips for environmental protection prevention and control, and teach you how to use kitchen materials to make efficient pesticides to bring your beloved rose back to life. Analysis of the reproductive characteristics of aphids based on basic knowledge of rose pest control Aphids can complete one generation of reproduction every 3 days, and can multiply rapidly above 12℃. Its secretions can easily cause coal pollution disease, causing curling and deformed rose leaves. The survival rules of red spiders reveal that spider mite pests prefer dry environments, and are particularly prone to occur in closed balcony environments. Although the insect body is small, it will cause the leaves to lose green and fall off after sucking the juice. During the physical removal phase of the three-stage comprehensive control plan, initial pests were found to be removed manually by wearing gardening gloves, and combined with high-pressure water guns (pressure ≤0.3MPa) to wash the leaves, more than 70% of the adults can be removed. Biological control methods 9 out of ten roses die

The introduction of ladybugs requires maintaining the environmental humidity of>60%, and putting 3-5 ladybugs per square meter can establish a biological protection network that lasts for 15 days. Self-made insecticide formula Botanical Insecticide Pepper Water It is recommended to use Erjing pepper, soak it at 1:50 for 24 hours, add 5ml of detergent to enhance adhesion, and spray it once in the morning and evening. Daily necessities modification formula upgraded version of washing powder water formula: 15g neutral washing powder +3ml vegetable oil +500ml water, which is now prepared and used to avoid hydrolysis failure. The ultimate guide for rose maintenance regularly inspect the back of the leaves every week, maintain environmental ventilation (wind speed>0.5m/s), and cooperate with yellow board monitoring. When pests are discovered, the three-level "physical + biological + pharmaceutical" prevention and control system will be activated immediately to keep roses away from pests throughout the year.