中国稻米

中国稻米

• 品种与技术 • 上一篇    下一篇

杂交稻谷优3301母本直播制种技术研究

  1. 1福建省农业科学院生物技术研究所，福州 350003；2 科荟种业股份有限公司，福建 泰宁 354400
  • 出版日期:2020-01-20 发布日期:2020-01-20
  • 通讯作者: 王锋
  • 基金资助:

    福建省属公益类科研院所基本科研专项（2016R1018-1）；福建省现代农业水稻产业技术体系建设项目

Research on Female Parent Direct Seeding in Seed Producing of Hybrid Rice Combination Guyou 3301

  • Online:2020-01-20 Published:2020-01-20

PDF

摘要：

以谷丰A和闽恢3301为试验材料，比较了不育系谷丰A在直播和育秧移栽两种制种方式下生育期、育性、产量及其构成因素方面的差异。结果表明，直播较移栽生育期缩短3 d左右，花期更加集中，午前花率、柱头外露率和异交结实率等均显著提升，最高苗数、有效穗数和结实率等农业性状也得到较大提升，制种产量表现突出，与育秧移栽制种方式相比增产达5.76%。谷丰A直播制种可节约成本，增加制种产量，提高制种效益，每hm2增收达      6 786元，增收10.17%。

关键词: 杂交稻, 谷优3301, 母本直播, 制种, 产量

Abstract:

In this research, Gufeng A and Minhui 3301 were used as experimental materials to compare the differences in growth period, fertility, yield and yield components of sterile line Gufeng A under the two cultivation methods of direct seeding and seedling transplanting. The results showed that, compared with the transplanting method, the seed production period of direct seeding method was shortened by about 3 days, and the flowering period was more concentrated. The flowering rate, stigma exsertion rate and outcrossing rate before noon were significantly improved; the maximum number of seedlings, effective panicle and seed setting rate, agricultural traits were also greatly improved, and the yield increased by 5.76%. The income per hectare is up to 6,786 yuan, which was increased by 10.17%.

Key words: hybrid rice, Guyou3301, direct seeding of female parent, seed production, yield

中图分类号: