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Pest Management

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close up of flower heads with salmon-red color

Have You Seen Thickhead in Your Garden?

No, I’m not talking about your brother-in-law. Thickhead or redflower ragleaf (Crassocephalum crepidioides) is an introduced weed that I’m …

Cover photo for What Is That Weed?

What Is That Weed?

Japanese stiltgrass (Microstegium vimineum) is a summer annual grass common in the area woodlands, greenways, and shady lawns and …

Recent Publications related to Pest Management

Field-grown tomato plant affected by southern blight

Southern Blight of Tomato and Pepper

This vegetable disease factsheet discusses Southern blight, a soil-borne fungus that attacks tomato and pepper, …

The initial symptoms of B deficiency

Tobacco - Boron (B) Deficiency

Tobacco plants that are B deficient are stunted very early on in production when compared …

Phosphorus Deficiency

Tobacco - Phosphorus (P) Deficiency

Phosphorus (P) deficiency in tobacco begins as a noticeable stunting when compared to a plant …

Nitrogen deficiency

Tobacco - Nitrogen (N) Deficiency

By far, nitrogen (N) is the most widely applied nutrient for plant growth. It …

Boron toxicity

Tobacco - Boron (B) Toxicity

Boron (B) is an essential element that frequently exhibits deficiency symptoms if it is in …

Sulfur deficiency

Tobacco - Sulfur (S) Deficiency

Sulfur (S) deficiency can easily be mistaken for nitrogen (N) deficiency in tobacco. The ability …

Potassium deficiency

Tobacco - Potassium (K) Deficiency

Potassium (K) is one of the three core macronutrients, and consequently, deficiency symptoms manifest relatively …

Manganese Deficiency

Tobacco - Manganese (Mn) Deficiency

Manganese (Mn) deficiency begins as an interveinal chlorosis on the upper leaves. As the …