Uploaded November 2025 | Updated September 2026, 2 weeks ago
Learn about the genetic mutations that contribute to the production of purple tomatoes. Dr. Roger Chetelat, former director of the C.M. Rick Tomato Genetics Resource Center in Davis, California, discusses Anthocyanin fruit (Aft) and atroviolacium (atv) in wild tomato species, and their role in producing purple- or blue-skinned tomato varieties.
The TGRC is affiliated with the USDA National Plant Germplasm System and UC Davis. Funding for this video was provided by USDA-Agricultural Research Service, with additional support from Colorado State University. USDA is an equal opportunity provider, employer, and lender.
Learn about the genetic mutations that contribute to the production of purple tomatoes. Dr. Roger Chetelat, former director of the C.M. Rick Tomato Genetics Resource Center in Davis, California, discusses Anthocyanin fruit (Aft) and atroviolacium (atv) in wild tomato species, and their role in producing purple- or blue-skinned tomato varieties.
The TGRC is affiliated with the USDA National Plant Germplasm System and UC Davis. Funding for this video was provided by USDA-Agricultural Research Service, with additional support from Colorado State University. USDA is an equal opportunity provider, employer, and lender.
