Why do my tomato plant leaves turn white

Tomatoes are one of the most popular and commonly grown fruits in the garden. However, they require proper care and maintenance to produce a healthy crop. One of the most common problems that gardeners face with their tomato plants is white leaves. In this article, we will discuss the various reasons why tomato plant leaves turn white and how to prevent it.

Sunscald

One of the most common causes of white tomato plant leaves is sunscald. Sunscald is a condition in which the leaves on the tomato plant become bleached and white due to overexposure to sunlight. This is especially true for young seedlings which are not yet fully developed to tolerate the harsh UV rays of the sun. The best way to prevent sunscald on your tomato plant is to provide some shade for the plant, especially during the hottest time of the day.

Powdery mildew

Powdery mildew is another common cause of white tomato plant leaves. It is a fungal disease that affects many plants but is especially problematic for tomato plants. Powdery mildew is characterized by white, powdery spots on the leaves of the plant. This disease is spread by spores which are carried by wind, insects, and water. To prevent powdery mildew, make sure to keep your tomato plants dry and avoid watering them from above.

Calcium deficiency

Calcium deficiency is another common cause of white tomato plant leaves. This is often seen in newly transplanted tomato plants that have not yet adapted to the soil. Calcium deficiency is characterized by a whitening of the leaves, which often starts at the tip and edges of the leaf. To prevent calcium deficiency in your tomato plants, make sure to use a fertilizer that contains calcium or use calcium supplements such as bone meal or lime.

Herbicide damage

Another possible cause of white tomato plant leaves is herbicide damage. This can happen when herbicides are sprayed close to tomato plants or in areas where tomato plants have been grown previously. The herbicide can drift onto the tomato leaves, causing them to turn white. To prevent herbicide damage in your tomato plants, make sure to follow the instructions carefully when using herbicides and avoid spraying them near tomato plants.

Conclusion

In conclusion, there are many reasons why tomato plant leaves turn white, including sunscald, powdery mildew, calcium deficiency, and herbicide damage. By taking the necessary precautions and providing proper care for your tomato plants, you can avoid these problems and enjoy a healthy and bountiful harvest.