文章摘要
何秀英,刘 维,陆展华,王晓飞,王石光,方志强,巫浩翔,陈 浩.广东优质稻粤农丝苗的衍生品种及其特征特性研究[J].广东农业科学,2022,49(9):66-73
查看全文    HTML 广东优质稻粤农丝苗的衍生品种及其特征特性研究
Study on Derived Varieties of High-quality Guangdong Rice Yuenongsimiao and Their Characteristics
  
DOI:10.16768/j.issn.1004-874X.2022.09.007
中文关键词: 水稻  粤农丝苗  衍生品种  产量  品质  抗病抗逆
英文关键词: rice  Yuenongsimiao  derived varieties  yield  quality  disease resistance and adversity resistance
基金项目:广东省现代农业产业技术体系水稻产业创新团队项目(2021KJ105);广东省重点领域研发计划项目(2020B0202090003,2021B0707010006);广东省自然科学基金(2021A1515010820);广东省重点实验室运行费项目(2020B1212060047)
作者单位
何秀英,刘 维,陆展华,王晓飞,王石光,方志强,巫浩翔,陈 浩 广东省农业科学院水稻研究所 / 广东省水稻育种新技术重点实验室 / 广东省水稻工程实验室 /农业农村部华南优质稻遗传育种重点实验室广东 广州 510640 
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中文摘要:
      粤农丝苗既是一个丰抗优综合性状优良的常规水稻品种,同时也是一个优质稻育种亲本,分析其衍生品种的特征特性,可以为优质稻育种提供理论依据。以粤农丝苗(R1212)作亲本,育成通过审定或授权的水稻品种有 53 个,其中通过国家、省级审定的 43 个,这些品种类型丰富,包括常规稻、杂交稻、香稻等。为阐明粤农丝苗衍生品种的特征特性,选取审定的衍生品种,以它们参加国家、省级区域试验的产量、米质、抗病及抗逆性表现进行比较分析。结果表明,这些品种区域试验产量均比对照种增产,增幅为 0.46%~10.98%;品质指标除 Q 两优粤农丝苗未定级外,常规稻、杂交稻都可达到优质标准;在抗病性方面,部分衍生品种表现为抗稻瘟病和白叶枯病,但较多衍生品种对这两个主要水稻病害抗性表现较弱;在抗倒力、耐热性鉴定上,粤农丝苗衍生品种均表现抗倒力强,除徽两优粤农丝苗外,其他品种对耐热性表现为较强或强。粤农丝苗衍生品种普遍具有丰产稳产性好、稻米品质优、抗倒性和耐热性较强等特点,充分体现了粤农丝苗作为优质稻亲本的“芯”片作用。粤农丝苗主要衍生品种粤禾丝苗、粤金农占、隆晶优 1212、晶两优 1212、隆两优 1212、荃优粤农丝苗、徽两优粤农丝苗都已成为当地的主栽品种,在审定区域内具有很好的推广应用前景。
英文摘要:
      Yuenongsimiao is not only a conventional rice variety with high-resistance and excellent comprehensive traits, but also a good parent for high-quality rice breeding. The analysis of the characteristics of the derived varieties could provide a theoretical basis for high-quality rice breeding. With Yuenongsimiao (R1212) as the parent, there were 53 rice varieties approved or authorized, of which 43 passed national or provincial approval. These varieties were rich in type, including conventional rice, hybrid rice, aromatic rice and etc. To clarify the characteristics of varieties derived from Yuenongsimiao, the approved derived varieties were selected, and their yield, rice quality, disease and stress resistance performance in the year they participated in the national and provincial regional trials were compared and analyzed. It was found that the yields of these varieties in the regional trials were increased by 0.46%-10.98% compared with these of the control varieties. In term of quality indexes, except for the ungraded seedlings of Q Liangyouyuenongsimiao, both conventional rice and hybrid rice could reach high-quality standards. In terms of disease resistance, some derived varieties resisted blast and bacterial blight, while many derived varieties showed weak resistance to these two diseases. In the identification of lodging and heat resistance, the derived varieties showed strong lodging resistance. Furthermore, except Huiliangyouyuenongsimiao, other varieties showed strong heat resistance phenotypes. These derivatives generally possessed the characteristics of high-yielding stability, good rice quality, strong lodging and heat resistance, which fully reflected the“core”role of Yuenongsimiao as a high-quality rice parent. The main Yuenongsimiao derived varieties, such as Yuehesimiao, Yuejinnongzhan, Longjingyou1212, Jingliangyou1212, Longliangyou1212, Quanyouyuenongsimiao and Huiliangyouyuenongsimiao have been the main local varieties, with good promotion and application prospect in the approved area.
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