Why are my tomato leaves turning yellow with brown spots?
One of the common tomato maladies is Septoria leaf spot. It is a fungal disease that affects the leaves, but not the fruit. There may be small, black dots, which are the fruiting bodies of the fungus, located in the center of the spot. If there are enough spots, the leaves turn yellow, then brown.
How do you get rid of brown spots on tomato plants?
What to do about tomato leaf spots
- Pinch off leaves with leaf spots and bury them in the compost pile.
- It is okay to remove up to a third of the plant’s leaves if you catch the disease early.
- Do not remove more than a third of the plant’s leaves.
- Keep leaves dry to reduce spreading the disease.
What is causing brown spots on my tomato leaves?
Septoria leaf spot is a very common disease of tomatoes. 1 It is caused by a fungus (Septoria lycopersici) and can affect tomatoes and other plants in the Solanaceae family, especially potatoes and eggplant, just about anywhere in the world.
Should I remove brown leaves from tomato plant?
Plants need foliage to create energy from photosynthesis, but the growth and development of foliage uses up a lot of the plant’s energy that could be used for fruit production. Removing dead, diseased, or just unnecessary leaves and stems from tomato plants increases the fruit.
How do you control Alternaria leaf spots?
Alternaria Leaf Spot Tips: Avoid overhead watering to limit leaf wetness, and allow enough space at planting time for good air circulation and ample sun penetration. Keep your garden free of fallen leaves all season, and especially thorough at fall cleanup time.
How do you treat yellow leaves on tomato plants?
Over Watering The leaves begin to turn yellow due to lack of oxygen, and the plant slowly drowns. Treatment: If a layer of mulch covers the soil near the base of the tomato plant, remove it carefully for a few days. Let the soil exposed to the sunlight and airflow. Trim the access leaves from the plant.
Why are my tomato leaves curling and turning brown?
Heat and low moisture can cause the edges of the tomato leaves to die back, then twist and curl. Hot dry weather may also cause a symptom called physiological leaf roll. This is a self- defense response, where leaves and leaflets curl slightly to prevent further water loss (Fig.