What to do about osmanthus plant pests: A comprehensive guide to the prevention and control of osmanthus plant pests.

Cinnamon Pest Control

As one of China's traditional top ten famous flowers, cinnamon is deeply loved by people for its rich and fragrant aroma. However, pests such as aphids and red spiders often cause the plant leaves to curl and turn yellow, severely affecting the quality of flowering. This article focuses on four common pests, detailing their identification characteristics and systematic control measures.

Cinnamon Root Knot Nematode Control Methods

Identification of Disease Symptoms

The formation of beaded root nodules is a typical symptom, initially white and later turning brown and rotting. The above-ground part shows progressive yellowing, highly similar to symptoms of nutrient deficiency, requiring the excavation of the root system for differential diagnosis.

Systematic Control Measures

Kexian Dan granules need to be used in combination with soil improvement: first, remove the top 3-5 cm of soil, evenly apply 30 grams/㎡, and then cover the soil. It is recommended to apply 5 kilograms of decomposed sheep manure per plant every autumn to enhance the plant's resistance to stress.

Cinnamon Butterfly Ecological Control

Key Points for Pest Identification

The adult butterfly has a wingspan of up to 7 cm, with a striking warning color of black background and yellow spots. The larvae have dense thorns on their body surface and eat the tender shoots very fast, with the peak period of harm from May to September.

Biological Control Measures

Hang yellow sticky insect boards to monitor the emergence of adult butterflies, and remove the eggs by hand immediately upon discovery. Alternate the use of Bacillus thuringiensis and pymetrozine during the larval stage to avoid the development of resistance.

Integrated Control of Cinnamon Whitefly

Cinnamon Pest Control

Reproductive Characteristics

This pest occurs 12-15 generations per year, overwintering as nymphs on the back of leaves. When the spring temperature rises to 20℃, the adult insects gather on the tender shoots to absorb sap and secrete honeydew, causing sooty mold disease.

Medicine Selection Strategy

Use spirodiclofen plus silicon-based adjuvant during the peak period of egg hatching, and use acetamiprid smoke bombs during the adult stage. Pay attention to alternating medications, with an interval of 7-10 days.

Key Points for Cinnamon Red Spider Control

Outbreak Environment Analysis

Large-scale outbreaks are prone to occur during dry and high-temperature seasons. The female adult mites can lay 6-8 eggs per day, completing the generation alternation in 7 days. Dense white spots on the leaves are the initial identification sign.

Accurate Medication Techniques

Use a compound preparation of avermectin and pyriproxyfen, focusing on spraying the dense spider web areas on the back of the leaves. Combine with foliar application of amino acid fertilizer to repair damaged tissue.

By establishing a pest monitoring log and combining physical control with biological pesticides, green pest control of cinnamon can be achieved. It is recommended to clean the leaves monthly and clear the garden with lime sulfur mixture in winter to reduce the pest population from the source, allowing cinnamon to maintain a healthy growth state.