期刊论文

Screening on Suitable Variety of Late Rice after Tobacco in Ningxiang Tobacco Region

中文

湖南农业科学

1006-060X

2015

10

9-11

10.16498/j.cnki.hnnykx.2015.10.003

2011BAD16B01:国家科技支撑计划 2012BAD04B10-01:国家科技支撑计划 2013BAD07B11-02:国家科技支撑计划 2013NK3036:湖南省科技计划 12218:长沙市烟草公司科技项目 12231:长沙市烟草公司科技项目

本校为第一机构

为筛选适宜晚稻品种,提高宁乡烟区烟稻复种模式的整体效益,以10个晚稻品种为材料,在宁乡县喻家坳乡开展了烟后晚稻品种比较试验。结果表明：供试品种产量在5 022-7 630 kg/hm^2之间,其中准两优608产量最高（7 629.9 kg/hm^2）,丰源优299产量居第二（7 355.7kg/hm^2）;10个品种中,农香18、丰优1167、湘晚籼13号全生育期过长,未能正常成熟,不宜在当地作为烟后晚稻种植;准两优608和丰源优299全生育期分别为129和125 d,其他品种全生育期在121 d以下。相关分析表明,与烟后晚稻产量关系最密切的产量构成因素是每穗实粒数和结实率。在该试验条件下,综合考虑生育期和产量,准两优608和丰源优299最适合作宁...

To screen a suitable late rice variety and improve the whole benefit of tobacco–rice rotation system in Ningxiang tobacco planting area, a varietal comparative experiment was conducted in Yujiaao, Ningxiang with ten late rice varieties as materials. The results showed that： Yield of ten varieties ranged in 5 022-7 630 kg/hm^2, in which yield of Zhunliangyou 608 was highest, 7 629.9 kg/hm^2, and the second was Fengyuanyou 299, 7 355.7 kg/hm^2. In the ten varieties, the whole growth duration of Nongxiang 18, Fengyou 1167 and Xiangwanxian 13 was...