玉米秋繁关键技术研究

云南元江秋季光照良好、温度适宜、水源充足,能灌排的土地资源丰富,具有良好的生产经济条件。秋繁育种风险小,同时秋季病害多,具备良好的抗病育种鉴定条件。因此,元江是理想的玉米秋繁育种基地之一。秋繁育种的关键技术是选择灌排良好的土地、适时播种、提高播种质量、确保灌排到位、加强田间栽培管理,减少病、虫、鼠危害。

Study on Cultivating Technique of Autumn Multiplication of Maize Breeding in Yuanjiang County

Yuanjiang county of Yunnan province is an ideal place for autumn multiplication of maize breeding.There are good conditions of production and economy for maize cultural needs such as good light,optimum temperature,enough water,well-drained soil and natural selection condition of resistance to the major diseases and low-risk to failing.The key cultivating techniques of autumn multiplication of maize breeding in Yuanjiang county are selecting well-drained soil,being sure to sow in time,increasing the quality of field management such as irrigation and general cultivating practices,reducing the damage of diseases and insects and rats.