Austin Dillon Diecast 33 Mycogen Seeds 2013 1/24th Nascar Diecast Collectible produced by Lionel NASCAR. Austin Dillon geared up to plow through the field at Indianapolis Motor Speedway on July 28, piloting the # 33 Mycogen Seeds Chevrolet SS for Richard Childress Racing! Mycogen Seeds is one of America’s fastest-growing agricultural seed companies, offering corn, soybeans, silage corn, sunflowers and canola. A retail seed company of Dow AgroSciences LLC, Mycogen Seeds maintains a robust global research and development program to bring growers high-performance genetics with the latest trait technologies. Working together, the people of Mycogen Seeds help farmers find opportunity in every acre.