玉米现在已经成为我国的第一大农作物,年播种面积在3 667万hm2左右,每年需要杂交玉米种子11亿kg。杂交制种的产量直接影响着我国粮食安全,而杂交种的质量直接影响着品种的声誉,高质量的种子是保证玉米高产稳产的重要生产资料。正如杂交水稻作为一项现代农业高新技术成果,其研究成果的推广应用,对中国 Corn has now become the country’s largest crop with an annual sown area of ​​36.77 million hm2 and annual needs of 1.1 billion kg of maize hybrids. The yield of hybrid seed production directly affects the food security of our country, and the quality of hybrids directly affects the reputation of breeds. High-quality seeds are the important means of production to ensure the high and stable yield of corn. As hybrid rice as a modern agricultural high-tech achievements, the promotion of their research applications, China