Causes for the curling of peony leaves. Methods for preventing and controlling the curling of peony leaves In my country, peony is known as the "king of flowers". Its flowers are colorful and elegant. They have been loved by people since ancient times. In the process of maintaining peonies, many flower friends will encounter a problem-curling of peony leaves, which not only affects the ornamental value of peony, but may also affect its growth. This article will provide you with a detailed analysis of the reasons for curling of peony leaves and the prevention and control methods. Reasons for curling leaves of peony flowers 1. Improper irrigation Peonies like to be moist, but they are afraid of waterlogging. If they are watered too much, it will cause water accumulation in the soil and lack of oxygen in the roots, which may easily cause the leaves to curl. If watering is not appropriate at noon, it will also make the leaves curl.
2. Improper fertilization Excessive fertilization or improper fertilization, such as the application of insufficiently decomposed organic fertilizer, may cause the peony leaves to curl. This is because harmful substances in the fertilizer will damage the root system and thus affect leaf growth.
3. Diseases and insect pests invade peonies. Common diseases and insect pests include aphids, red spiders, powdery mildew, etc. These diseases and insect pests will invade the leaves of peonies, causing the leaves to curl and wither.
4. Environmental factors Peonies prefer warm and well-ventilated environments. If the environment is too humid, sultry, or the temperature is too low, the leaves may curl. Methods to prevent and control the curling of peony leaves 1. Peonies like to be moist, but should not be too much. Generally, water it 1-2 times a week to keep the soil slightly moist. When watering, choose morning or evening to avoid high temperatures at noon. Water.
2. Reasonable fertilization should be carried out in the right amount to avoid excessive fertilization. Generally, fertilization should be carried out 3-4 times a year, mainly decomposed organic fertilizer, combined with an appropriate amount of compound fertilizer. After fertilization, water should be carried out in time to promote fertilizer absorption.
3. Prevent pests and diseases. Regularly inspect peony plants and find that pests and diseases must be controlled in a timely manner. Pesticides with low toxicity and low residue, such as imidacloprid, avermectin, etc., should be used to keep the plants well ventilated to reduce the occurrence of pests and diseases.
4. Adjust the environment Peony prefers a warm and well-ventilated environment. In winter, measures to keep warm, such as building plastic greenhouses, etc. In summer, direct strong light should be avoided and shade appropriately.
5. Trim the plant During the growth process of peony, dead branches and sick branches should be pruned in time to keep the plant ventilated and transparent, which will help reduce the occurrence of diseases and insect pests, and is also conducive to plant growth.
There are many reasons for the curling of peony leaves, including improper irrigation, improper fertilization, pest and disease attacks, environmental factors, etc. Understanding these reasons and taking corresponding prevention and control measures can effectively solve the problem of curling of peony leaves. I hope this article can help with your peony maintenance.