延庆县鲜食玉米品种比较试验

为筛选出适合延庆地区种植的鲜食玉米新品种，2013年对11个鲜食玉米品种的生育期、经济性状、抗性、品质、产量等各项指标进行分析，结果表明：糯玉米播种至采收95～96d，甜玉米播种至采收86～90d。糯玉米“京科糯569”和甜玉米“京科甜533”综合表现突出，“京科糯569”鲜穗产量20700㎏/ hm2，商品穗产量17250㎏/ hm2；“京科甜533”鲜穗产量13400㎏/ hm2，商品穗产量13070㎏/ hm2。“京科糯569”抗性、株型均较对照理想，“京科甜533”穗型一致、排列整齐，没有秃尖，籽粒鲜亮，二者品质综合得分均较高，优于目前常规种植的“京科糯2000”和“京科甜183”，可作为替代品种在今后示范种植。

Comparative test of fresh eating Maize planting variety in Yanqing County

Abstract: In order to select suitable fresh eating Maize Varieties in Yanqing area, analyzest growing period, economic characters, yield, quality, resistance of 11 fresh eating corn varieties in 2013. The result shows that: the period from seeding to harvest in Waxy maize is 95d to 96d. The period of seeding to harvest in sweet corn is 86d to 90d. Waxy corn "Jingke waxy 569” and sweet corn "Jingke sweet 533" express outstanding. The fresh ear yield of "Jingke waxy 569" is 20700 kg / hm2, commercial ear yield is 17250 kg / hm2. The fresh ear yield of "Jingke sweet 533" is 13400 kg / hm2, yield of 13070 kg / hm2 commercial ear. The resistance and plant type of "Jingke waxy 569" are better than other varieties. The spike type of "Beijing sweet 533" is uniform, neatly arranged, not bald and bright. The comprehensive score of "Jingke waxy 569” and "Beijing sweet 533" are higher than the current conventional planting "Jingke waxy 2000" and "Jingke sweet 183". These two varieties can be used as a substitute planting varieties in the future.