Why Tomato Leaves Curl Up
The root cause is often unclear but look at recent changes in damage fertilizer methods temperature pruning or damage.
Why tomato leaves curl up. If you have had a heatwave and your tomato leaves have begun to roll this is almost definitely the issue. Leaves curling up is a sign of stress either from the environment or physiological. Cure for Tomato Leaves Curling The key to managing tomato leaf curl is through prevention.
This disease often shows up after plants have been injured so be careful when trimming your plants not to leave open wounds. Damage to tomato and other vegetable plants may have one or a combination of causes Figs. The most common are the Tomato Mosaic virus and the Tomato Spotted Wilt virus.
Bacterial Canker disease on tomato plant leaves Leaves with brown edges may be caused by bacterial canker. Environmental stress is the most common reason for tomato leaves to curl. Also protect garden plants from possible whitefly infestations by adding floating row covers and keep the area free of weeds which often attract these pests.
Uneven watering particularly after cool periods accompanied by heavy rain can result in tomato plant leaves curling up tightly like a cigar and becoming thick and leathery. As a result your tomato leaves may begin to curl as a defense mechanism. I ruled both of these out since my tomato leaves looked nothing like the pictures and just didnt fit the description either.
If you find your tomato seedlings are curling dont panic. Why Are Tomato Plant Leaves Curling Up. High winds blowing dust and low humidity can damage the leaves and stems on tomato plants.
Curled leaves on tomato could be a symptom of herbicide damage or a virus. A dry sunny climate is more likely to cause tomato leaves to curl up. Dry days are often sunny days so this strategy also reduces the surface area of the plant exposed to the sun.
Lower leaves will also curl up and you may see light brown streaks on the stems of your plant.
Why tomato leaves curl up. The most likely cause of tomato leaves curling is excessively hot conditions. Plant only pest and disease-resistant varieties. Environmental stress is the most common reason for tomato leaves to curl.
This is usually caused by variable temperatures at night or aphid attack. There are hundreds of tomato viruses that cause tomato leaf curling or stunting growth in them. This disease often shows up after plants have been injured so be careful when trimming your plants not to leave open wounds.
Twisted and distorted leaves often with a much reduced leaf area This is often caused by hormone weedkiller contamination but other cases may be caused by tomato viruses. High winds blowing dust and low humidity can damage the leaves and stems on tomato plants. But too much pruning will stress the plant causing the branches to curl.
Pruning your tomato plants more than necessary results in stress which as weve found causes the leaves to curl. If you have had a heatwave and your tomato leaves have begun to roll this is almost definitely the issue. Also protect garden plants from possible whitefly infestations by adding floating row covers and keep the area free of weeds which often attract these pests.
It also exposes more of the plant to the sun making it susceptible to the heat problems discussed before. Bacterial Canker disease on tomato plant leaves Leaves with brown edges may be caused by bacterial canker. Damage to tomato and other vegetable plants may have one or a combination of causes Figs.
I ruled both of these out since my tomato leaves looked nothing like the pictures and just didnt fit the description either. A dry sunny climate is more likely to cause tomato leaves to curl up. As a result plants lose water from their leaves at a faster rate on hot dry days.
During the mid-summer months afternoon sunshine can be very intense.
Why tomato leaves curl up. Bacterial Canker disease on tomato plant leaves Leaves with brown edges may be caused by bacterial canker. Why Are Tomato Plant Leaves Curling Up. Twisted and distorted leaves often with a much reduced leaf area This is often caused by hormone weedkiller contamination but other cases may be caused by tomato viruses.
Dry days are often sunny days so this strategy also reduces the surface area of the plant exposed to the sun. To prevent this tomato plants will curl up their leaves on dry days. Its important to prune the tomato branches to keep it in good shape and producing more fruit.
As a result your tomato leaves may begin to curl as a defense mechanism. Plant only pest and disease-resistant varieties. I ruled both of these out since my tomato leaves looked nothing like the pictures and just didnt fit the description either.
Tomato branches dont like this and tend to curl up to protect themselves. Curled leaves on tomato could be a symptom of herbicide damage or a virus. Physiological leaf curl occurs when the tomato plant undergo vigorous top growth coupled with inadequate root growth.
The most likely cause of tomato leaves curling is excessively hot conditions. Pruning your tomato plants more than necessary results in stress which as weve found causes the leaves to curl. Or your tomato could be suffering physiological damage from weather conditions.
It also exposes more of the plant to the sun making it susceptible to the heat problems discussed before. Tomato leaves certainly curl from drought stress but they can also curl if the plant gets too much water. Hot temperatures can cause tomato leaves to curl.