Tomato Yellow TI 169 F1 Fine Webbing - Causes & Fixes

Jump to cause: Two-Spotted Spider Mite Infestation Tetranychus urticae (Tetranychid Mites) outbreak High Humidity/Microclimate Mold

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Two-Spotted Spider Mite Infestation

Spider mites thrive in the warm, dry conditions often found in tomato greenhouses, feeding on the underside of leaves and secreting silk that forms fine webbing. This damage disrupts photosynthesis and can lead to yellowing of the cherry tomato foliage.

Very Common

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How to confirm: Hold a white piece of paper under a leaf and tap it to see if tiny crawling specks fall onto the paper.

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shopping_cart Recommended Products

1 Apply an organic insecticide/miticide spray to the plant, ensuring you coat the undersides of the leaves where mites reside.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Increase humidity around the plant and avoid dry, warm air to make the environment less hospitable for spider mite reproduction.

Flora Premium Plant Mister

Spray Bottles

$12

In Stock

3 Use yellow sticky traps to capture adult mites and monitor for any new infestations.

Super Ninja Fungus Gnat Traps - 30 Pack

30 pcs

$7

In Stock

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Tetranychus urticae (Tetranychid Mites) outbreak

A specific species of mite that is highly aggressive on Solanum lycopersicum varieties, creating dense webs around fruit clusters and growing tips to protect their eggs.

Very Common

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How to confirm: Inspect the leaf undersides for tiny yellow stippling marks alongside the webbing.

build How to fix it

shopping_cart Recommended Products

1 Apply an organic miticide or insecticide to eliminate existing mites, eggs, and larvae on the plant surfaces.

Bonide Captain Jack's Neem Oil 32 oz

0.9 L • 1 pcs • Organic

$10

In Stock

2 Prune and carefully dispose of heavily infested fruit clusters and growing tips to prevent the webbing from spreading to healthy parts of the plant.

3 Increase humidity around the plant and ensure good airflow, as spider mites thrive in hot, dry conditions.

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