10+ Common Greenhouse Pests & Diseases

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As a greenhouse gardener, it’s important that you learn to identify some of the common signs of pests and diseases in your greenhouse. 

We will tell you about some of them in the following slides!

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One of the most common greenhouse pests. They’re increasingly difficult to eradicate, so it’s best to get rid of them quickly. An adult female can lay as many as 100-150 eggs in less than a week, so it’s easy to grow out of control!

Fungus gnats

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Small sucking insects that feed on the sap from foliage and flowers. Can cause distorted growth and prevent flower buds from forming properly or opening.

Thrips

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Small, but they can be very problematic in the greenhouse. It’s easy for these pests to go undetected, but they get worse over time. They reproduce quickly, sapping nutrients and spreading viruses as they go.

Aphids

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