早熟优质粳稻品种在禹城地区直播种植比较试验

Comparative Experiment of Early Maturing and High Quality Japonica Rice Varieties in Yucheng District

在禹城地区进行了28个优质早熟粳稻品种的比较试验,以期筛选适于当地直播种植的优质品种。生育期调查表明,盐粳321、通育413、通禾861、通禾829、通禾868、CH1212、吉粳816、吉粳830、吉宏6号等9个品种抽穗较早,熟期适当。其余19个品种表现晚熟、灌浆慢,不能正常成熟。测产结果表明,吉宏6号、吉粳816、通育413等6个品种产量超过400 kg/667 m2。品质分析表明,吉宏6号、通育413、吉粳816、吉粳830、通禾829、通禾868等6个品种食味值达到80分及以上,吉宏6号、通育413食味值最高。综合生育期、产量和品质分析,吉宏6号、吉粳816、通育413、吉粳830比较适合在禹城地区直播种植。

Twenty-eight high-quality early maturing japonica rice varieties were conducted in Yucheng City,Dezhou,in order to screen out high-quality varieties suitable for direct seeding in Yucheng City.The investigation of growth period showed that 9 varieties,Yangeng-321,Tongyu-413,Tonghe-861,Tonghe-829,Tonghe-868,CH-1212,Jigeng-816,Jigeng-830,Jihong-6,had earlier heading and proper maturity.The other 19 varieties showed late maturity,slow filling and could not mature normally.The results of yield measurement showed that 6 varieties including Jihong-6,Jigeng-816 and Tongyu-413 exceeded 400 kg/667 m2.The quality analysis showed that the taste value of six varieties(Jihong-6,Tongyu-413,Jigeng-816,Jigeng-830,Tonghe-829,Tonghe-868)reached more than 80 points,and Jihong-6 and Tongyu-413 had the highest taste value.According to the analysis of agronomic characters,yield and rice quality,Jihong-6,Jigeng-816,Tongyu-413 and Jigeng-830 are suitable for direct seeding in Yucheng city.