中国稻米

中国稻米 ›› 2023, Vol. 29 ›› Issue (3): 80-83.DOI: 10.3969/j.issn.1006-8082.2023.03.015

• 品种与技术 • 上一篇    下一篇

长江中下游稻区国审两系杂交早稻组合特性分析

邓飞(), 陆爱国, 周建霞, 王孔俭()   

  1. 金华市农业科学研究院，浙江 金华 321051
  • 收稿日期:2022-11-01 出版日期:2023-05-20 发布日期:2023-05-23
  • 通讯作者: 王孔俭
  • 作者简介:第一联系人：

    第一作者：df0209@163.com

  • 基金资助:
    金华市农业类重点项目(2019-2-005);金华市主动设计项目(2020-2-001b);国家水稻产业技术体系(CARS-01-70);浙江省农业(水稻新品种选育);浙江省农业(2021C02063-4)

Analysis on Characteristics of the Nationally Approved Two-line Early Hybrid Rice Combinations in the Area of the Middle and Lower Reaches of the Yangtze River

DENG Fei(), LU Aiguo, ZHOU Jianxia, WANG Kongjian()   

  1. Jinhua Academy of Agricultural Sciences, Jinhua, Zhejiang 321051, China
  • Received:2022-11-01 Online:2023-05-20 Published:2023-05-23
  • Contact: WANG Kongjian
  • About author:First author contact:

    1st author: df0209@163.com

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摘要：

分析了2003—2022年长江中下游稻区通过国家审定两系杂交早稻组合的特征特性。2003—2022年，长江中下游稻区有46个两系杂交早稻组合通过国家审定，其中早中熟类型26个，迟熟类型20个；早中熟类型组合区试平均产量为508.91 kg/667 m2，迟熟类型组合为515.89 kg/667 m2，近年通过审定组合的区试产量更高；组合优质达标率仅为10.87%，对稻瘟病和白叶枯病抗性达到中抗及以上水平组合占比分别为15.22%和4.35%；列入全国农作物主要品种推广情况统计组合29个。截至2019年，有18个组合的推广面积超过6.67万hm2，4个组合的推广面积超过33.34万hm2，2个组合的推广面积超过66.67万hm2。

关键词: 长江中下游稻区, 两系杂交早稻, 产量, 品质, 抗性, 推广面积

Abstract:

The characteristics of the nationally approved two-line early hybrid rice combinations in the area of the middle and lower reaches of the Yangtze River from 2003 to 2022 were analyzed in this paper. 46 two-line early hybrid rice combinations (26 early-medium ripening combinations and 20 late ripening combinations) had been approved by the national crop variety approval committee of China in the area. The average yields of regional test of early-medium ripening combinations and late ripening combinations were 508.91 and 515.89 kg/667 m2, respectively. The regional test yield with approved combinations in recent years was higher. The high-quality compliance rate of the combinations was only 10.87%, and the proportions of the combinations which showed moderately resistant to rice blast and bacterial blight were 15.22% and 4.35%, respectively. 29 combinations were included in the national promotion statistics of major crop varieties. Up to the end of 2019, 18 combinations were extended in more than 66 700 hm2, 4 combinations were extended in more than 333 400 hm2, and 2 combinations were extended in more than 666 700 hm2.

Key words: the area of the middle and lower reaches of the Yangtze River, two-line early hybrid rice, yield, grain quality, resistance, extension area

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