The most likely cause of tomato leaves curling is excessively hot conditions. I ruled both of these out since my tomato leaves looked nothing like the pictures and just didnt fit the description either.
Your tomato seedlings leaves may be curling because they are facing too much heat windy conditions lack of water overwatering fewer nutrients over-fertilization viral disease fungal disease herbicide or insect infestation.
Why are the leaves on my tomato plants curling up. There are hundreds of tomato viruses that cause tomato leaf curling or stunting growth in them. Inconsistent watering Containers dry out more easily so review your watering schedule and consider drip feeding. This disease often shows up after plants have been injured so be careful when trimming your plants not to leave open wounds.
Curly top disease common in moist coastal areas causes lightening or. When you notice tomato leaves curling its not just frustrating to see the plant lose some vigor but its more worrisome knowing the plant is losing. The most common issue you may find on the tomato plant is a fungal disease.
The wind can also blow dust and dirt around at high speeds. Lower leaves will also curl up and you may see light brown streaks on the stems of your plant. The less energy tomato plants get from their leaves curling either upward downward or cupping inward is a worry.
Tomato leaves certainly curl from drought stress but they can also curl if the plant gets too much water. Environmental stress is the most common reason for tomato leaves to curl. Some of them are Fusarium wilt Septorial wilt and leaf blight.
When you notice tomato leaves curling its not just frustrating to see the plant lose some vigor but its more worrisome knowing the plant is losing energy. Physiological leaf curl occurs when the tomato plant undergo vigorous top growth coupled with inadequate root growth. The most common are the Tomato Mosaic virus and the Tomato Spotted Wilt virus.
To determine which factor is the culprit it pays to take a close look at the plant s. These diseases will attack the leaves of the plant but the lack of nutrients will cause the branches to curl as well. This fast-moving dust and dirt can damage the leaves of plants and cause them to curl in response.
The problem usually happens because a moist environment was created on the plant. Bacterial Canker disease on tomato plant leaves Leaves with brown edges may be caused by bacterial canker. Hot temperatures can cause tomato leaves to curl.
The leaves on tomato plants are like solar panels harvesting the energy the plant needs to thrive. Excessive nitrogen fertilization will. During the mid-summer months afternoon sunshine can be very intense.
As a result your tomato leaves may begin to curl as a defense mechanism. Wind can cause rapid evaporation which can lead tomato plants to curl up their leaves. Strong winds also cause leaves to lose water rapidly due to accelerated evaporation.
Curling or rolling of tomato leaves can be caused by various factors including environmental stresses viral infection and herbicide damage. This is mainly down to the following reasons. Viral diseases often result in curled leaves and other symptoms depending on the virus.
Insufficiently Sized Container Look to re-locate to larger sized 1to 2 square feet. This is by far the most common form of leaf curl and is a growth response to environmental conditions. Even if you dont use herbicides in your garden overspray and wind-blown droplets may find their way to your tomato plants.
If you find your tomato seedlings are curling dont panic. Which leaves are rolling old leaves new leaves all leaves. As a result the roots fail to keep up with the water and nutrition demand from the leaves.
Its more common to see tomato plant leaves curling when the tomato plants are in containers. If you have had a heatwave and your tomato leaves have begun to roll this is almost definitely the issue. Leaf curl is one sign of herbicide damage.
Tomato Leaves Curling Up Down or Inwards – Why.