我国玉米骨干自交系形态性状的鉴定与评价

Appraisement of Morphological Characters of Main Corn Lines in China

通过对我国玉米54份骨干自交系的植株性状、产量性状及生育期性状的分析评价,筛选出了各单个性状表现优良与较差的自交系,分析了四大杂优类群间在形态性状方面的差异,为我国玉米种质的改良与创新提供了依据。

The plant,yield and growing season characters of54main corn lines in China were analysed and ap-praised.The good and relatively poor lines for every single character were selected and sifted.The differences of morphological characters among four heterosis groups were analysed.The gist of corn germplasm improvement and innovation in China was offered.