Tomato plants are susceptible to having their leaves and stems harmed by both high winds and low humidity, as well as by blowing dust. When the temperature is high and there is not enough moisture in the air, the margins of the tomato leaves might die back and then twist and curl. The symptom known as physiological leaf roll can also be brought on by hot and dry conditions.
Why are my tomato plants curling up?
Some types of tomato develop a protective curling of their leaves in response to temperature shifts and the disruption of their roots that occurs during the transplanting process. What should be done: Most of the time, after a couple of weeks, plants will recover on their own from the leaf curl induced by transplant shock. As your tomatoes begin to settle in, make sure they have enough of water.
What causes leaf discoloration on tomato plants?
Curly Top Virus not only causes leaf discolouration but also causes new growth to become lanky, in contrast to the upward curling of leaves that is produced by heat stress. Check the underside of the leaves for discoloration if you have any reason to suspect this, and especially if your region has a high population of leafhoppers.
What is the difference between tomato leaf curl and pinworm?
The Curly Top Virus, on the other hand, is limited to just causing curling of the top leaves of the plant. Pinworms on tomatoes will generate an upward curl on each leaf that they feed on, beginning at the plant’s base and working their way up. Curly Top Virus not only causes leaf discolouration but also causes new growth to become lanky, in contrast to the upward curling of leaves that is produced by heat stress.
Why are my leaves curling up?
As can be seen, the bottom leaves on this single plant are beginning to curl upwards. However, this only occurs on this plant. As may be seen in this example, it is also usual for the leaves to curl downward. Now that we know what causes leaf curl, it is time to seek for potential causes of the condition and potential treatments for it.
