论文部分内容阅读
优良品种在玉米增产中的贡献率约占40%,对我国粮食安全和增产发挥着重要的作用。玉米新品种MC703的选育是针对我国现代玉米生产和市场中的突出问题,通过对亲本材料在大群体、高密度、变换不同生态区严格选择条件下进行遗传改良,增加品种的适应性、抗逆性,具有高产、稳产、优质、脱水快、适合机收、综合抗性强等特点,适合目前及未来几年玉米生产
The contribution of fine varieties to the increase of corn yield is about 40%, which plays an important role in food security and yield increase in China. Breeding of a new maize variety MC703 is aiming at the prominent problems in the modern maize production and market in our country. Through the genetic improvement of the maternal materials under the strict selection of large population, high density and transformation of different ecological regions, the adaptability of varieties, Adverse sex, with high yield, stable yield, high quality, fast dehydration, suitable for machine income, strong comprehensive resistance, suitable for the current and the next few years corn production