Prevention and Control of Diseases and Pests in Aglaia odorata
As an aromatic plant with both ornamental value and insect-repelling properties, Aglaia odorata has become a popular choice for urban people for their balcony greenery in recent years. Although its unique lemon scent can repel mosquitoes, the volatile substances in its leaves accidentally attract pests such as aphids and red spiders. This article will systematically analyze the key points for the prevention and control of two typical insect pests, helping you create healthy plants.
Comprehensive Response Plan for Aphid Invasion
Recognition of Aphid Damage Characteristics
This type of soft-bodied insect, with a body length of only 1-3 millimeters, prefers to gather on tender buds, absorbing sap through刺吸式口器, causing leaves to curl and deform. Infested plants often accompany sooty mold, and the honeydew secreted can attract ants to form a symbiotic chain.
Six Home Remedies for Pest Control
1. Detergent Solution: 3g of neutral laundry powder diluted in 100ml of warm water, spray every morning for 3 consecutive days. 2. Garlic Insect Repellent Solution: Extract juice from 500g of purple garlic and dilute 10 times, focusing on spraying the back of leaves where creases are present. 3. Chili Extract Solution: Simmer 50g of fresh chili over low heat for 30 minutes, cool down and use with sticky traps. 4. Eucalyptus Oil Spray: 1ml of eucalyptus oil diluted in 800ml of water, forming an insect-repelling protective film. 5. Nutritional Insecticide: Mix urea and laundry powder in a 4:1 ratio, combining fertilizing and pest control. 6. Plant Extract Solution: Soak peach leaves/orange peel/tobacco in water, environmentally friendly control of insect egg hatching.
Three-dimensional Control System for Red Spider Mites
Judgment of Outbreak Signs of Pest Infestation
This type of mite繁殖 rapidly in dry environments, the yellow spots on the back of leaves will gradually form a net-like pattern, and in severe cases, red虫体 can be seen moving. If not treated in time, it will lead to the whole plant shedding leaves and withering.
Combined Physical and Chemical Management
1.密闭熏蒸法: Use a transparent plastic bag to wrap the plant, place a mosquito coil inside and seal it for 1 hour. 2. Humidity Control: Spray the leaf surface with water twice a day to maintain an environmental humidity of over 60%. 3. Biological Control: Introduce natural enemies such as predatory mites to establish a ecological balance. 4. Drug Rotation: Alternate the use of professional miticides such as螺螨酯 and 阿维菌素. 5. Isolation Treatment: Immediately isolate and care for diseased plants to block the transmission route.
By regularly checking the back of leaves, maintaining environmental ventilation, and properly controlling water and fertilizer, the incidence of pests can be reduced by 80%. It is recommended to spray with garlic water for preventive measures monthly, and remove diseased and weak branches during winter pruning. Master these prevention and control techniques to keep your Aglaia odorata emitting a healthy fragrance.