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If you’ve ever grown tomatoes before, you’re probably familiar with tomato leaf problems. You might have noticed your tomato plant leaves turning yellow, brown, or getting spots. So what causes these tomato plant problems?
What diseases can tomato leaves develop? Tomato leaf diseases develop in certain adverse conditions, such as too much or too little moisture, the presence of fungus, and other scenarios. The following table explains the basics of each different type of tomato leaf disease to be aware of.
19 sie 2024 · Gray leaf spot is a fungal disease that affects mainly the leaves of tomatoes, starting with the oldest leaves, although it can also infect the stems of the plant. It does not infect the fruit, although the disease can be harbored in the seeds of the infected plant.
20 lis 2023 · Tomato leaf spot diseases, such as Septoria leaf spot and early blight, can cause dark spots or lesions on the leaves, which can spread rapidly and cause defoliation. Symptoms may also include yellowing or browning of the leaves, as well as stunted growth or reduced yields.
• Older leaves are affected first, yellow blotchy pattern on the lower leaves between the leaf veins which can turn brown if severe. • Blossom end rot can be caused by a severe lack of Magnesium but much more usually caused by a shortage of Calcium. Photo: Scot Nelson, Flickr Worldwide DEFICIENCY BACK TO CONTENTS
Twisted and distorted leaves, often with a much reduced leaf area. This is often caused by hormone weedkiller contamination, but other cases may be caused by tomato viruses. See our advice on tomato viruses for further information. Mild cases may be caused by variable light and temperature conditions.
7 lis 2023 · Fusarium Wilt. Identification: Tomato plants infected with Fusarium wilt exhibit yellowing and wilting of leaves, typically on one side of the plant. Treatment: Unfortunately, there’s no cure for this soil-borne disease. Focus on prevention through resistant tomato varieties and soil sterilization. 5. Verticillium Wilt.
