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Tomato Funguses

Tomato Fusarium Wilt

tomato fusarium wilt

Fusarium wilt disease has been reported in over 30 countries. It usually affects tomatoes in southern areas of the US and Europe. In more nothern, colder climates it is usually limited by low temperatures but it can wipe out greenhouse populations entirely. Luckily, you can take action to control and even prevent this dreadful disease.

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Tomato Septoria Leaf Spot

tomato septoria leaf spot

Septoria leaf spot is one of the most devastating diseases that can affect tomato plants. It can kill the leaves and stems and reduce the quality of your tomato crop, so treatment and prevention is extremely important.

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Tomato Powdery Mildew

powdery mildew

Powdery mildew is a common fungal disease affecting many plants, but especially tomato plants.

This type of mildew is caused by many types of fungi that do not require high humidity to get established, and prosper under mild conditions. These qualities make them more prevalent than many other plant diseases. However, this can easily be prevented with an ingredient that has been around for hundreds of years.

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Tomato Leaf Mold

tomato leaf mold

Tomato leaf mold is a common fungus that attacks tomatoes grown in humid places. The mold attaches itself to the leaf and feeds off of the humidity to grow and thrive.

It is vital to take care of the situation immediately so that the foliage isn’t dramatically infected. Infected leaves will decrease the amount of tomatoes yielded.

Luckily, this fungus is pretty simple to treat and cure.

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Tomato Gray Leaf Spots

tomato gray leaf spot

If your tomato plants have unusual brown or gray spots on the underside of leaves, then you may have a gray leaf spot problem. The spots begin as small black or brown specks on both young and mature tomato leaves, resulting in unhealthy and diseased looking plants.

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Tomato Early Blight

early tomato blight

Early blight is very common in the Northeast and occurs there to some extent wherever tomatoes are grown. Although it’s called “early blight,” it can actually occur any time during the growing season attacking the leaves, stems and fruit. It can also cause disease on its nightshade cousins; potatoes, peppers and eggplants.

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Anthracnose Fruit Rot

anthracnose fruit rot

Few discoveries can be as disheartening to the tomato grower as that of the unsightly lesions and large rotten areas indicative of tomato anthracnose.

Untreated anthracnose can cause severe damage and can reduce a beautiful crop of tomatoes to rotten fruit in only a few days so vigilant scouting is advisable to catch this and other diseases early.

Like all fungal diseases, anthracnose is difficult to treat once the plant is infected but there are ways to minimize the damage.

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Tomato Late Blight

Potentially devastating to the home gardener, late blight can wipe out an entire tomato crop, and all the hard work that went into it, in a few short weeks. Moreover, adding insult to injury, late blight can also affect peppers, potatoes, and eggplant.

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Tomato Alternaria Cankers

tomato alternaria canker

Tomato alternaria canker is a bacterial fungus that can cause significant damage the stems, leaves and fruit of the tomato plant. Once a plant is infected, it is difficult to eliminate, but there are ways to minimize the damage.

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Tomato Fusarium Crown Rot

fusarium crown rot tomato roots

Fusarium crown rot strikes at the root and wreaks havoc on the entire root system. It is extremely widespread in places with sandy, acidic soil. Southern Florida, for example, is much more likely to experience it than Colorado.

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