![]() ![]() In this stage, if you identify it is a lot easier to get rid of it.Generally, it is not visible these changes unless you closely monitor them.The stems and underneath the leaves turn slightly brown and appear shiny.Symptoms of tomato rust mite – Early stages. ![]() Once these mites attacked a single plant they quickly spread to other plants in the garden. These insects are known as rapid breeding pests like tomato leaf miners. This insect is active from spring to autumn and cannot survive in low temperatures. If uncontrolled, this pest will spread to other plants and eventually destroy all tomato plants in the field. It is essential to control tomato russet mite infection at the initial stage. Lower tomato leaves turn brown, dry out, and spread to the stem and upper leaves. The main symptoms start close to the ground. Some diseases cause the stem to turn brown, but most of the time, it is the tomato rust mite pest infections. This insect is invisible to the naked eye if you use a 20x hand lens, you can see them on foliage. The Russet mite infected tomato plant turns it into a rusty brown color. Tomatoes Leaves Turn Brown and wilted Tomato Russet Mite Infection. Below is a common reason that results in brown leaves on tomato plants. Luckily we can save the plant without reducing yield. The first thing you should do is carefully examine the plant’s physical appearance and soil. Should I remove brown leaves from tomato plants? Why are tomato leaves turning brown?Ĭommon reasons for tomato leaves turning brown are russet mite pest infestation, bacterial spot and bacterial speck, tomato blight fungus infection, and over-fertilization. ![]()
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