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This factsheet describes early blight of tomato, including identification, transmission and disease management, and control.
This disease factsheet describes Fusarium wilt of tomato. Symptoms, pathogen, environmental conditions, and management are included.
Tomato yellow leaf curl virus (TYLCV) is a viral disease of tomato that has limited distribution in the United States. TYLCV can cause devastating losses to tomato growers once established in the production site. This viral disease can also be found in temperate, tropical, and sub-tropical regions of the world. TYLCV is transmitted by adult whiteflies and is difficult to control once introduced to an area.
Tomato spotted wilt virus (TSWV) is an important pathogen that causes disease in numerous crops, especially tomatoes and peppers. Resistance-breaking variants of TSWV were discovered in NC on tomato varieties with the Sw-5 resistance gene during the summer of 2022. Given that host resistance is currently the most effective management strategy of TSWV, these strains pose a great threat to tomato production in the coming years. This article will focus on TSWV identification and management strategies for tomatoes and peppers.
This vegetable disease factsheet discusses collar rot and Alternaria stem canker of tomato, which are caused by different species of fungi belonging to the genus Alternaria. Both pathogens can cause large, irregularly shaped stem lesions with pronounced concentric rings. However, the concentric rings may not always be pronounced with collar rot.
This factsheet describes the symptoms and management of various viruses that can affect greenhouse tomato production in North Carolina.
This publication describes gray leaf spot of tomato. Disease management options are provided for conventional and organic growers and for homeowners.
This vegetable disease fact sheet discusses three foliar fungal diseases (Botrytis gray mold, leaf mold, and powdery mildew) of high tunnel and greenhouse tomatoes.
