摘要
为筛选适宜安徽池州地区种植的优质高产杂交水稻品种,对荃优5438、F两优1252和伍两优钰占等20个杂交水稻品种开展试验,分析品种的生育期、长势、抗性、产量及产量构成因素。结果表明,品种全生育期在132~141 d;伍两优钰占、太两优香五、两优517和九两优9号4个品种长势一般,其余品种长势繁茂;所有品种均表现出较强的抗倒伏和抗病能力;产量及产量构成因素方面,各品种株高在97.8~123.2 cm,有效穗数在203.5万~319.2万/hm^(2),每穗总粒数在179.1~320.3粒,着粒密度在7.6~12.8粒/cm,结实率在72.0%~93.0%,千粒重在19.6~26.6 g,其中两优1976、湘两优998、玖两优丝苗、荃两优532和宁两优1513的产量较高,分别为12.2、12.1、12.0、11.9和11.9 t/hm^(2)。综合结果表明,两优1976、湘两优998、玖两优丝苗、荃两优532和宁两优1513共5个品种的生育期适宜,株高适中,长势繁茂,产量结构协调合理,适应性、抗病性及抗逆性较强。试验结果为相关地区杂交水稻品种引种、生产提供参考。
To screen high yield and high quality hybrid rice varieties suitable for planting in the Chizhou region of Anhui Province,a trial was conducted on 20 hybrid rice varieties,including Quanyou 5438,Fliangyou 1252,and Wuliangyouyuzhan.The growth period,plant vigor,resistance,yield,and yield components of the varieties were analyzed.The results showed that the full growth period of the tested varieties ranged from 132 to 141 days.Among them,Wuliangyouyuzhan,Tailiangyouxiangwu,Liangyou 517,and Jiuliangyou No.9 exhibited moderate growth vigor,while the others showed vigorous growth.All varieties demonstrated strong lodging and disease resistance.In terms of yield and yield components,plant height ranged from 97.8 to 123.2 cm,effective panicles per hectare from 2.035 to 3.192 million/hm^(2),total grains per panicle from 179.1 to 320.3,grain density from 7.6 to 12.8 grains/cm,seed-setting rate from 72.0%to 93.0%,and 1000-grain weight from 19.6 to 26.6 g.Notably,Liangyou 1976,Xiangliangyou 998,Jiuliangyousimiao,Quanliangyou 532,and Ningliangyou 1513 achieved higher yields of 12.2,12.1,12.0,11.9,and 11.9 t/hm²,respectively.In conclusion,Liangyou 1976,Xiangliangyou 998,Jiuliangyousimiao,Quanliangyou 532,and Ningliangyou 1513 exhibited suitable growth periods,moderate plant height,vigorous growth,well-balanced yield structure,strong adaptability,disease resistance,and stress tolerance.The trial results provide a reference for the introduction and production of hybrid rice varieties in the related regions.
作者
胡继文
许兴旺
HU Jiwen;XU Xingwang(Academy of Agricultural Sciences of Chizhou City,Chizhou 247000,China)
出处
《安徽农学通报》
2025年第11期14-17,共4页
Anhui Agricultural Science Bulletin
关键词
杂交水稻
抗性
产量
综合评价
hybrid rice
resistance
yield
comprehensive evaluation
作者简介
胡继文(1972-),男,安徽枞阳人,高级农艺师,从事种子、农产品质量安全工作;通信作者:许兴旺(1974-),男,安徽贵池人,正高级农艺师,从事种子工作。
