延庆县鲜食玉米品种的评价与筛选

Selection and Evaluation of Fruit Corn Varieties in Yanqing

对12个鲜食玉米品种的生育特性、产量和品质性状进行评价,以确定适宜延庆地区种植的鲜食玉米品种。结果表明:糯玉米品种中京科糯2000的鲜穗采摘期为97d,鲜果穗产量每667m2为1 208kg,比对照增加了51.47%,鲜果穗产量和鲜籽粒产量与对照品种达到极显著水平。京紫糯218、京科糯120的鲜果穗产量与对照品种间达到显著水平。甜科脆1、京科甜2000的鲜果穗产量比对照分别高出15..18%和14.08%。科甜脆1、京科甜2000、京科甜126的鲜籽粒产量与对照间达到显著水平。感官性状评价分数≥90的糯玉米品种为京科糯2000,甜玉米为甜单21。

In order to determine the adaptability and quality of fruit corn varieties in Yanqing, this study introduced 12 fruit corn varieties to study their fertility characteristics, yield and quality. Results showed that., the picking period of Beijing Branch waxy fresh spike is 97d. The yield of Beijing Branch waxy 2000 up to 1208 kg/mu is the highest among the five waxy corn vari- eties which is 51.47 % higher than the control, with significant difference, significant forward net spike rate, high seed rates, excellent overall performance compared with the control. The development potential of Beijing Purple Glutinous 218 and Jingke waxy 120 is better than the control. The fresh grain yield of Ke sweet crisp 1 and Jingke sweet is 15.18% and 14.08%, higher than the control respectively. The fresh grain yield of Ke sweet crisp 1, jingke sweet 2000, jingke sweet 126 reached significant level compared with the control. The sensory properties evaluation score of jingke waxy 2000, sweet single 21is ≥90 .