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Decoding Tomato Disease Resistance Codes (VFFNTASt)

‘Celebrity’ tomato label: V=Verticillium wilt; FF=Fusarium races 1&2; N=Nematodes; T=Tobacco mosaic virus; A=Alternaria (early blight); St=Stemphylium (gray leaf spot). Early blight resistance is valuable—it causes yellow/brown lower leaves progressing upward.

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