why do tomato leaves turn yellow with black spots

If you have noticed tomato leaf spots and the lower leaves turning yellow, you may have tomato early blight alternaria. This tomato disease causes damage to the leaves, stems and even the fruit of the plant. Keep reading to learn more about what causes tomato early blight alternaria and how to treat leaf spot. What Causes Tomato Leaf Spots? Alternaria Alternata, or tomato early blight alternaria, is a fungus that can cause cankers and plant leaf spots on tomato plants. It normally occurs during hot weather when there has been a significant amount of rain and humidity. Plants that have been damaged are particularly susceptible to being infected by tomato early blight alternaria. When a plant is infected with Alternaria Alternata, it will normally appear first on the lower leaves of the plant in the form of plant leaf spots that are either brown or black.


These tomato leaf spots will eventually migrate to the stem and even the fruit of the tomato. These spots are actually cankers and can eventually overtake a plant and kill it. Once a plant is infected tomato early blight alternaria, a fungicide can be sprayed on the plant. This can help reduce the damage from the plant, but frequently this will only lessen, not eliminate the problem. The best way how to treat leaf spot on tomatoes is to make sure it doesn t occur in the first place. For future plantings, make sure the tomato plants are far enough apart. Also, don t water the plants from overhead; use drip irrigation instead.


If you find Alternaria Alternata in your garden, make sure not to plant any other plants from the
in that spot for at least a full year. Destroy any tomatoes that have tomato leaf spots. Do not compost tomato plants with plant leaf spots, as this can re-infest your garden next year with tomato early blight alternaria. The best treatment for tomato plant leaf spots is to make sure that you don t get it in the first place. Proper will make sure you avoid the dreaded yellow leaves and leaf spots that come with Alternaria Alternata. If you have a vegetable garden and have planted tomatoes, you might be looking at the yellow leaves on tomato plants and asking, What do yellowing leaves on tomato plants suggest?


Truth be known, tomato plants leaves turn yellow for many different reasons. Yellow tomato leaves don t, however, have to mean that the plant is failing. Let s take a look at the reasons why tomato plant leaves turn yellow. If you only see a few yellow tomato leaves toward the bottom of the plant, you have nothing to worry about. The leaves of tomato plant turning yellow at the bottom of the plant means these leaves probably aren t getting the and aren t getting sunshine. This especially happens when the plant is more mature and bearing fruit. Tomato plants leaves turn yellow for a variety of reasons, some of which aren t as simple as the plant maturing.


Regardless of the issue, whenever there are yellow leaves on tomato plants, it warrants a thorough check as to what the problem could be. You never know what you will run across, and it could be detrimental not only to your tomato plants with their yellow tomato leaves, but to the rest of your garden as well. If you find the leaves of tomato plant turning yellow in your garden, you want to figure out what is causing the issue. It could be something as simple as a in your soil. If this is the case, you could check the nitrogen level of your soil, or you could just add a little bit of nutritious matter to the soil and watch to see if the yellow tomato leaves don t just green up for you.


When tomato plants leaves turn yellow, it could be from a fungus or bacterial problem, like Por other. If disease is the case, you will want to treat this accordingly. Sometimes yellow leaves on tomato plants mean that there is a pest problem that needs to be handled. You might have or worms affecting the health of the plant and may need to handle this issue with an organic pesticide. Before you go making any adjustments, however, check the soil around your plants if your tomato plants leaves turn yellow. If the soil isn t wet enough, you might be under ; yellow tomato leaves could be a sign of lack of water. A drip hose is an excellent way to water the soil regularly to help prevent yellow leaves on your tomato plants.

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