超甜玉米新品种晶甜7号的选育及高产栽培技术

Breeding and High-yield Cultivation Techniques of a New Cultivar of Super Sweet Corn, Jingtian No.7

晶甜7号(原名晶甜1301)系江苏润扬种业股份有限公司和南京市蔬菜科学研究所以自选系403-11为母本、1041-11为父本杂交而成的黄色超甜玉米新品种。该品种杂种优势明显、长势旺盛,具有果穗大、籽粒饱满、甜度高、风味好、适应性广、增产潜力大等特点。江苏省区域试验2 a平均产量817.8 kg/667 m^2,比对照增产8.95%,品质评分为85.6分;生产试验,平均产量802.4 kg/667 m^2,比对照增产3.8%,品质评分82.8。该品种全生育期87 d左右,适合江苏及相似气候地区种植。

Jingtian No.7 was a new cultivar of yellow super sweet corn which hybridized by using maize inbred line 403-11 as female parent and 1041-11 as male parent,and it was bred by Jiangsu Runyang Seed Industry Co.,Ltd.and Nanjing Institute of Vegetable Sciences.This cultivar had advantages of obvious heterosis,vigorous growth vigour,big fruit cluster,full seed,sweetness,good flavor,wide adaptability,high yield potential and so on.Average yield for two years of regional test was 817.8 kg/667 m2 in Jiangsu province which was 8.95%higher than that of contrast,and the quality of this cultivar was scored of 85.6 points.In production test,average yield of this cultivar was 802.4 kg/667 m2 which was 3.8%higher than that of contrast,and the quality score of this cultivar was 85.6 points.The whole growth period was 87 d which was suitable for cultivation in Jiangsu and similar climate regions.