Reasons and Treatment for Tomato Leaf Curling
Answering netizens' questions about the reasons and treatment methods for tomato leaf curling in the content of green plant and flower planting. Detailed content will be shared next.
Reasons and Treatment for Tomato Leaf Curling
There are many reasons for tomato leaf curling, such as lack of water, improper medication, and excessive fertilization. To solve the problem of tomato leaf curling and withering, it is necessary to pay attention to protecting the root system, regularly water the plants to avoid water deficiency, and if it is caused by excessive fertilization, water appropriately to dilute and rectify.
What Causes Tomato Leaf Curling
Tomato leaf curling may occur after the plant enters the full fruiting stage, where it encounters high temperatures and dry weather without timely water supplementation, causing the lower leaves of the plant to curl upwards due to water deficiency.
Tomato leaves curling and drying
It is recommended to remove the severely diseased leaves from the bottom and then spray with Qingku Likelu, Sujing, and Garlic Oil together. If necessary, add some systemic chemical drugs to enhance the rapid effect and control the humidity.
Tomato leaves curling and falling off
Tomato leaves curling and falling off are usually caused by diseases. In high temperatures and strong sunlight, it is easy to develop viral diseases, mainly two types: mosaic virus with leaf patterns, and curling virus without patterns, leaves are wrinkled and small like watermelon leaves.
Reasons for Tomato Leaf Curling
Tomato leaf curling may be caused by improper medication. In the summer with high temperatures, some farmers use excessive concentrations of chemicals, leading to phytotoxicity, which causes the leaves to curl upwards.
If newly grown tomato leaves show curling, it may be due to excessive application of nitrogen fertilizer, which burns the plant's roots, affecting water absorption and causing the small leaves to curl.
Treatment Methods for Tomato Leaf Curling and Withering
1. Cultivate strong seedlings: When raising tomato seedlings and transplanting, you can use bio-fertilizer to dip the roots, pay attention to protect the root system, prevent root damage, promote root growth, and cultivate strong seedlings.
2. Strengthen water and fertilizer management: In the middle and late stages of tomato growth, the root absorption capacity decreases, so it is necessary to water the plants regularly to avoid prolonged drought.
3. Spray foliar fertilizer: In the middle and late stages of tomato growth, especially in high-temperature seasons, you can spray potassium dihydrogen phosphate before 10 a.m. to prevent excessive leaf water loss and curling.
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