作 者：
杨晶;谷子寒;王元元;唐利忠;裴晓东;李帆;黎娟;易镇邪
单 位：
湖南省烟草公司长沙市公司;湖南农业大学农学院/南方粮油作物协同创新中心;长沙市烟草公司浏阳分公司
摘 要：
为了筛选出适应长沙烟稻轮作区不同烟叶采收期的晚稻品种,模拟烤烟正常采收与推迟采收2种条件,以15个晚稻品种为材料开展了大田品种比较试验。结果表明:(1)从全生育期角度,6月18日播种条件下,所有品种均适合作烟后晚稻种植,而6月28日播种条件下仅‘湘丰优103’、‘隆香优130’、‘深优9520’、‘湘丰优9号’、‘金优284’、‘丰源优299’、‘丰源优272’能够正常成熟。(2)从产量角度,6月18日播种条件下,‘两优527’、‘丰源优272’和‘隆香优130’产量可达8000 kg/hm~2左右,是烟稻轮作区烟叶正常采收条件下烟后晚稻品种的首选;6月28日播种条件下,‘丰源优272’、‘湘丰优103’、‘深优9520’和‘湘丰优9号’是较佳选择,产量可达7600 kg/hm~2以上。(3)相关分析表明,产量与每穗粒数呈显著正相关,与经济系数呈正相关,因此选择穗型较大、经济系数较高的晚稻品种易获得高产。结果对长沙烟区烟后晚稻品种选择具有一定指导作用。
译 名：
Optimal Late Rice Variety Screening Under Normal and Delayed Harvest of Flue-cured Tobacco in Tobacco-rice Rotation Region of Changsha
作 者：
Yang Jing;Gu Zihan;Wang Yuanyuan;Tang Lizhong;Pei Xiaodong;Li Fan;Li Juan;Yi Zhenxie;College of Agronomy of Hunan Agricultural University/Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China;Liuyang Branch of Changsha Tobacco Company;Changsha Tobacco Company of Hunan Province;
关键词：
tobacco-rice rotation region;;Changsha;;late rice after tobacco;;variety screening
摘 要：
In order to screen out optimal late rice varieties which adapt to different harvest times of flue-cured tobacco in tobacco-rice rotation region of Changsha, variety comparative experiments were conducted with 15 late rice varieties as materials under two simulated harvest times of flue-cured tobacco: normal harvest anddelayed harvest. The results showed that:(1) from the whole duration perspective, all varieties adapted to beplanted as late rice after tobacco under the sowing time of June 18 th, while only‘Xiangfengyou 103',‘Longxiangyou 130',‘Shenyou 9520',‘Xiangfengyou No.9',‘Jinyou 284',‘Fengyuanyou 299'and‘Fengyuanyou 272'could mature normally under the sowing time of June 28th;(2) from the yield perspective,sown on June 18 th, the yield of‘Liangyou 527',‘Fengyuanyou 272'and‘Longxiangou 130'could reachabout 8000 kg/hm~2, which were the first choice of late rice variety after tobacco for tobacco-rice rotation regionunder normal harvest of tobacco leaves; sown on June 28 th,‘Fengyuanyou 272',‘Xiangfengyou 103',‘Shenyou 9520'and‘Xiangfengyou No.9'were ideal choices, whose yield was above 7600 kg/hm~2;(3) correlation analysis showed that a significantly positive correlation existed between yield and grain numberper panicle, and a positive correlation existed between yield and harvest index. So choosing late rice varietieswith bigger panicle type and higher harvest index is easy to gain high yield. The results can guide the late rice variety screening in Changsha tobacco area.
