玉米杂交种毕单4号的选育研究

毕单4号系毕节地区农业科学研究所针对黔西北山区自然生态特点和玉米生产实际，于1982年以墨白玉米种质自选系405为母本，以330天然杂株自选系411为父本组配而成的高产、优质、多抗、广适杂交玉米组合。该组合于1992年6月通过贵州省农作物品种审定委员会审定，已在大面积生产上推广应用。

The Study about the Breed of Maize Hybird BiDan-4

The maize hybird BiDan-4 was breeded by the institute agracutual on Bijie in 1982. It aimed at the natural character of ecology on the North-West Mountain area of GuiZhou and the maize productivity. This hybird used the self 405 as female, it was selected from Mexican White Maize resource; the self 411 as male, it was selected from a natural hybird of another self 330.BiDan-4 was high yield; high quality; good resistance; high applicability. It was passed the examine and approve by the Crop Breed Censorship of GuiZhou on 1992. Now it was popularized and applied, great area planting the hybird.