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. This is a self-defense mechanism that causes the leaves and leaflets to curl ever-so-slightly to prevent the plant from losing any more water (Fig.6).
Can overwatering cause tomato leaves to curl?
Leaf Roll is one of the most peculiar signs of overwatering, although it does the least amount of damage to the plant overall. When tomato plants receive an excessive amount of water, the uppermost leaves tend to curl inward and upward as the plants grow and begin to bear fruit.
Can tomato plants get too much sun?
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Should you water tomato plants in the morning or evening?
When to Water Tomatoes – Determining when to water tomatoes is a very simple element of successfully watering tomato plants. The first thing in the morning is the ideal time to water your tomato plants. Because of this, any moisture that finds its way to the leaves will have the time to evaporate before the heat of the day, which will assist to protect the plants from catching illnesses and being damaged by the sun.
It is imperative that the water that you are providing be utilized effectively. Many issues are going to arise if there is an excessive amount of water and moisture that is allowed to stand on the plants themselves. By watering the plant first thing in the morning, you will establish a productive habit that synergizes with the natural biological processes that are occurring within the plant.
At all cost, you should try to avoid watering your plants in the evening. Your plants are going to be at danger for several illnesses as soon as the temperature begins to fall and the water begins to become chilly.