玉米杂交种沈玉21号在甘肃省张掖地区的高产制种技术  

High-yielding Seed Production Techniques of Maize Hybrid Shenyu21 in Zhangye Area of Gansu Province

作　　者：高玉林[1] 

机构地区：[1]沈阳市农业科学院,辽宁沈阳110034

出　　处：《园艺与种苗》2011年第3期116-117,共2页Horticulture & Seed

摘　　要：甘肃地区已成为玉米杂交种制种新的基地。该文介绍了沈玉21号在甘肃省张掖地区高产制种技术。宜选择海拔1 600 m以下平坦地块,细致整地,科学施肥,地膜覆盖,增温保湿,提早播种,延长生长期,确定适宜播期、行比和密度,保证花期相遇,充分授粉,适时割除父本植株。Gansu area has become the new base of hybrid maize seed.The High yield cultivation techniques of Shenyu21 was introduced in this article.We should chose the flat land of 1 600 meteres above sea level,fertilizer scientifically with plastic film,raise the temperature and keep moisture,sow the seed ahead of time,define the optimum row-ratio and density and choose the best flowering period.

关 键 词：玉米制种 沈玉21号 张掖地区 

分 类 号：S513[农业科学—作物学]