There are many varieties of tomatoes that are documented to be resistant to various types of wilt. Choose resistant varieties and/or add parasitic nematodes to decrease the incidence of disease. If you pull up wilted plants and notice swollen sections in the root balls, nematodes may be the problem. Nematodes in the soil can infect the roots of your plants and cause wilt. This is caused a toxin secreted from the roots of black walnut trees and tree stumps. Tomatoes planted within about 50 feet of a black walnut tree, may suddenly wilt and die. These pests will suck the sap from your tomato plant and can be a real problem in any garden.įusarium and Verticillium wilt cause yellowing and wilting beginning with the lower leaves. Look for tiny insects on the undersides of leaves and on the stem. Read about some of the bugs I’ve found in my tomatoes.Īphids love tomato plants and cause yellow, misshapen, and sticky leaves. They are often carriers of tomato diseases as well, so it’s prudent to keep an eye out for any insects on your tomatoes. Pests are a common cause of tomato leaf problems. Learn about using fertilizer in your veggie garden. It’s best practice to have your soil tested to confirm nutrient deficiencies before adding anything other than organic fertilizer and compost.Īdding too much synthetic fertilizer can burn your plants, and overuse of lime and wood ash can alter your soil pH causing more problems with nutrients than they prevent. Stunted plants with general yellowing of the leaves is an indication of nitrogen deficiency. If young leaves are pale and the growing tips of your tomato plant die, suspect calcium deficiency. If you notice dark spots within the yellow areas and the leaves are small and narrow, you might have a zinc deficiency. If you notice older leaves (those at the bottom of the plant) are yellow with green veins, suspect potassium deficiency. And all the way at the bottom, I have some quick tips for dealing with tomato leaf problems.Īlso, make sure you pin this article for later so you can refer back to it whenever you see tomato leaf issues come up. There’s a lot of information in this article.įeel free to read about all of them, but if it seems overwhelming, scan through the bolded words for the particular symptom you’ve noticed on your tomato plant and read just that section. If you’re a book person, you’ll love these resources for growing tomatoes that I keep in my garden library. Having troubles with your tomato fruit? Read this guide to tomato fruit problems. Use this guide to tomato leaf problems to help you figure out what’s wrong and what, if anything, you can do about it. The particular pattern of yellowing or spotting will give you lots of information about what disease or pest is plaguing your tomato plant. Often you can determine the cause of the issue just by looking at the leaves. And many of them lead to yellow or brown spots on tomato leaves. The unfortunate reality is that tomatoes are susceptible to many pests and diseases. But homegrown tomatoes also come with lots of pest and disease issues. You just can’t get the same intensity and sweetness from any tomato at the grocery store. We all love the flavor of a homegrown tomato. So what causes these tomato plant problems? You might have noticed your tomato plant leaves turning yellow, brown, or getting spots. If you’ve ever grown tomatoes before, you’re probably familiar with tomato leaf problems.
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