Production of pure lines is an important step in biological studies and breeding of many crop plants. The major types of pure lines for biological studies and breeding include doubled haploid (DH) lines. recombinant inbred lines (RILs). and near isogenic lines (NILs). https://www.bekindtopets.com/hot-mega-Wahl-Power-Grip-2-Speed-Clipper-limited-super/