早熟高产玉米杂交种晋单70号的选育与栽培

Selection and Cultivation of Early Maturing High Yielding Hybrid Maize Jindan 70

晋单70号（原代号GS05-1）是山西省农业科学院玉米研究所以自选系早48为母本、自选系白H2172为父本组配而成的早熟、低秆、紧凑大穗型玉米杂交种.经多年试验示范表明,该杂交种丰产性、稳产性强,适应性广,抗逆性强;在忻州市生育期123 d,需≥10℃有效积温2 350℃·d;种植密度为5.25万～ 6.00万株/hm2.2010年5月通过山西省农作物品种审定委员会审定,审定编号为2010006.

Jindan 70,formal named GS05-1,was early maturing,low-stem,densy big ear hybrid maize selected through crossing between female parent Early 48 and self-bred H2172.Years＇pilot experimental showed that,the hybrid is of high yielding,stable productivity,wide adaptability and high stress resistance.When cultivated in Xinzhou,it has growth period of 123 d,≥ 10 ℃ avaible effective accumulated temperature 2 350 ℃· d and planting density 52 500 ～ 60 000 plant/hm2.It was passed by Shanxi Farm Crop Variety Assessment Committee in May 2010 with code number of 2010006.