Common pests and diseases in potted wintersweet. With the improvement of the quality of life, more and more people are beginning to maintain potted wintersweet at home. This plant with a strong traditional culture of China is not only beautiful and elegant, but also has the effect of purifying the air. During the maintenance process, potted wintersweet are also easily invaded by pests and diseases. This article will introduce in detail the common pests and diseases of potted wintersweet and their control methods to help you easily deal with these problems. Common pests and diseases of potted wintersweet 1. wintersweet aphids wintersweet aphids are one of the most common pests of wintersweet. They mainly affect the young leaves, buds and flower buds of wintersweet. Macular spots and shrinkage will appear on the affected parts, which will cause the plant to grow slowly and even die in severe cases.
2. wintersweet red spider mainly invades the leaves of wintersweet. The damaged leaves will appear yellow spots and dryness. In severe cases, the entire wintersweet leaves will fall off.
3. wintersweet anthracnose is a fungal disease that mainly affects the leaves, flower buds and branches of wintersweet. Black spots will appear on the affected parts, which can lead to plant death in severe cases.
4. wintersweet powdery mildew is a fungal disease that mainly affects the leaves, buds and flower buds of wintersweet. White powdery substances will appear in the affected parts, which can lead to slow plant growth or even death in severe cases. Prevention and control methods for pests and diseases in potted wintersweet 1. Control of wintersweet aphid (1) Manual killing: Regularly inspect wintersweet plants and remove aphids with a brush or wet cloth in time.
(2) Biological control: Use natural enemies of aphids such as ladybugs and predatory mites to control the number of aphids.
(3) Chemical control: Use low-toxicity and low-residue pesticides, such as imidacloprid, acetamiprid, etc., and spray them according to the instructions.
2. Prevention and control of red spider wintersweet (1) Clean environment: Keep the growth environment of potted wintersweet clean, and clean up fallen leaves, diseased branches, etc. in a timely manner.
(2) Spray pesticides: Use low-toxicity and low-residue pesticides, such as avermectins, pyridaben, etc., and spray them according to the instructions.
3. Prevention and control of anthracnose of wintersweet (1) Strengthen ventilation: Keep the ventilation in the growing environment of wintersweet and reduce humidity.
(2) Reasonable fertilization: Avoid excessive fertilization to avoid excessive growth of plants and reduce disease resistance.
(3) Spray pesticides: Use low-toxicity and low-residue pesticides, such as difenoconazole, prochloraz, etc., and spray them according to the instructions.
4. Prevention and control of wintersweet powdery mildew (1) Strengthen ventilation: Keep the ventilation in the wintersweet growing environment well and reduce humidity.
(2) Reasonable fertilization: Avoid excessive fertilization to avoid excessive growth of plants and reduce disease resistance.
(3) Spray pesticides: Use low-toxicity and low-residue pesticides, such as carbendazim, triadimefon, etc., and spray them according to the instructions.
The prevention and control of pests and diseases in potted wintersweet requires the comprehensive use of multiple methods, maintaining a good growth environment, reasonable fertilization, timely removal of diseased branches, fallen leaves, etc., and regular spraying of pesticides. Through the above measures, the occurrence of pests and diseases can be effectively reduced and your potted wintersweet grows.