山南市鲜食甜、糯玉米新品种引种试验

Introduction Test of the New Varieties of Fresh Sweet and Waxy Corn in Shannan City

为筛选出适宜山南市沿江谷地种植的鲜食甜、糯玉米新品种,满足生产和市场消费对优良品种的需求,特从内地引进9个鲜食甜、糯玉米新品种,在山南市乃东区开展品种大区对比试验,试验结果显示:研究区露地地膜覆盖、育苗移栽种植鲜食甜糯玉米宜选用生育期在130 d以内的品种,参试品种“SHZR270”“雪甜7401”“金银早2020”“华甜玉3号”“雪甜232”“SHZR281”的生育期适宜、外观品质优、穗大粒满、农艺性状好,可在同生态区推广种植;结合气象资料推测,保温育苗的适宜播种期在4月下旬至5月初。

in order to select new varieties of fresh sweet and waxy corn suitable for planting in the valley along the river in Shannan City,and to meet the market consumption and the needs of higher qualities,nine new varieties of fresh sweet and waxy corn were introduced from the mainlandand for planting experiments in Naidong District of Shannan city carrying out with multizone comparison methods.The results showed that varieties of the fresh sweet and waxy corn with a growth period of less than 130 days should be more appropriate for planting in the open field with plastic film mulching and seedling transplanting.The tested varieties SHZR270,Xuetian 7401,Jinyinzao 2020,Huatianyu 3,Xuetian 232 and SHZR281 had appropriate growth periods,good appearance quality,large ears and full grains,and agronomic characters.We suggested the extension of those varieties could be planting in the same ecological area;Combined with meteorological data,it was suggested that the suitable sowing time for heat preservation seedling cultivation was from late April to early May.