1. Trident II is a synthetic variety with 111 parent plants. Parent plants trace to populations selected for resistance to bacterial wilt, Fusarium wilt, Verticillium wilt, Phytophthora root rot, Aphanomyces and anthracnose, using phenotypic recurrent selection. Parentage traces to the varieties Profit (45%), Clipper (39%) and a population closely related to Clipper (16%). Approximate germplasm source contributions are M. falcata (10%), Ladak (10%), M. varia (21%), Turkistan (17%), Flemish (35%), Chilean (4%) and Peruvian (3%).

2. Trident II is intended for use in the North Central and Northeastern U.S