【摘要】 本文阐述了种植在低纬度、高海拔地区的热带和亚热带高原玉米种质的特点及利用价值，并对如何利用这类资源来改良温带玉米的抗病性，拓宽遗传基础进行了经验性讨论。更多还原

【Abstract】 The characteristics and values of use for highland maize(Zea mays,L.)of tropical and subtropical zones grown in low latitude and high altitude were expounded in this paper.How to utilize these germplasm resources to improve temperate maizegermplasins in resistance to.disease and to develop genetic resources was discussed experimentally.更多还原