中国稻米

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优良食味粳稻南粳5718的选育及主要特征特性

  1. 1江苏省农业科学院粮食作物研究所/江苏省优质水稻工程技术研究中心/国家水稻改良中心南京分中心,南京 210014;2江苏神农大丰种业科技有限公司,南京 210032
  • 出版日期:2020-07-20 发布日期:2020-07-20
  • 通讯作者: 王才林
  • 基金资助:
    江苏省重点研发计划(BE2019343);现代农业产业技术体系建设专项资金(CARS-01-62)

Breeding and Characteristics of a New Japonica Rice Variety Nangeng 5718 with Good Eating Quality

  • Online:2020-07-20 Published:2020-07-20

摘要: 南粳5718是江苏省农业科学院粮食作物研究所和江苏神农大丰种业科技有限公司以优良食味抗病粳稻中间品系宁7022为母本,与盐都地区农科所选育的优质高产粳稻中间品系盐粳608杂交,经数代外观与食味品质筛选和条纹叶枯病抗性与半糯基因的分子标记辅助选择,于2015年育成的食味品质优、丰产性好的中熟中粳稻新品种。全生育期148 d左右,株高102.6 cm,分蘖力中等,成穗率高。有效穗21.2万/667 m2,穗型较大,每穗总粒数131.5粒,结实率88.9%,千粒重28.8 g。中感白叶枯病、稻瘟病和条纹叶枯病,抗纹枯病。具有食味品质优、茎秆粗壮、产量潜力高、后期熟相好、综合抗性好等优点,特别适宜稻虾共作等综合种养模式。2019年通过江苏省审定,适宜江苏省淮北地区种植。

关键词: 南粳5718, 水稻, 优良食味, 特征特性, 栽培技术

Abstract: Nangeng 5718 is a new japonica rice variety with good taste, developed from the cross between Ning 7022, a good-tasting japonica rice, and Yangeng 608, a high-quality and high-yielding japonica rice in Jiangsu province by the Institute of Food Crops, Jiangsu Academy of Agricultural Sciences and Jiangsu Shennong Dafeng Seed Industry Co., Ltd. It was screened by marker-assisted selection of several generations of stripe virus resistance genes, blast resistance genes and semi-waxy genes, and appearance and taste quality at 2015. The whole growth period is 148 days, which belongs to medium-ripe medium japonica rice. It was about 102.6 cm high with compact plant type. It grew vigorous with strong tillering capacity, high spike rate and good population regularity. The effective panicles were about 212,000/667 m2, the total grains per panicle were about 131.5 grains, the seed setting rate was about 88.9%, and the 1 000-grain weight was over 28.8 g. It has the good eating quality, strong stalk, high yield potential, good-looking at the late seed-filling stage and high comprehensive resistance, especially suitable for rice-shrimp integrated farming. It was approved by Jiangsu Provincial Variety Approval Committee in 2019 and suitable to grow in Huaibei area of Jiangsu Province.

Key words: Nangeng 5718, rice, good eating quality, characteristics, cultivation techniques

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