健优388在长江上游稻区的主要农艺性状表现分析

通过2010-2011年全国长江上游杂交水稻区域试验和2012年生产试验材料结果,对选育的杂交水稻新品种健优388在南方稻区试验中的产量、生育期、稻瘟病抗性及稻米品质4个性状进行分析.结果显示,健优388在两年区域试验中,平均产量为8 900 kg/hm2,比对照组合Ⅱ优838增产4.33％;全生育期159.7 d,比对照迟熟1.7 d;稻瘟病的抗性明显优于对照组合,是参试组合中对叶瘟和穗颈瘟抗性相对较好的组合之一;稻米品质指标与对照相比,也优于对照组合Ⅱ优838,其测试分析的11项理化指标中有6项达部颁一级米标准,3项达部颁二级米标准.表明健优388在长江上游稻作区具有良好的应用前景,可以进行推广种植.

Analysis of agronomic traits for Jianyou 388 in upper rice region of Yangtze River

The study analyzed the yield, growth period, blast resistance and rice quality of Jianyou 388 from the national regional test in 2010 to 2011 and production test in 2012. The results of regional test in two years showed that the average yield was 8 900 kg/hm2, 4.33% higher compared with you 838(CK); the growing stage was 159.7 d, 1.7 days longer than you 838; the blast resistance of Jianyou 388 was relatively well among the varieties in the regional test, obvious superior to you 838; for the rice quality, 6 and 3 indices were up to the first and second class standard of the agricultural ministry of high quality rice, respectively. Jianyou 388 should be promoted and applied in upper rice region of Yangtze River