Breeding method of sterile line of three-line hybrid rice

Breeding method of sterile line of three-line hybrid rice

  • CN 105,660,387 A
  • Filed: 01/29/2016
  • Published: 06/15/2016
  • Est. Priority Date: 01/29/2016
  • Status: Active Application
First Claim
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1. a series of three-series hybrid rice sterile line breeding method, it is characterised in that the method specifically includes following steps:

  • Step 1, introduce the quality germplasm of South Asia region, purpose is had to carry out its strange land, the plantation of different season, and adhere to the innovation of long-term breeding material and follow the tracks of improvement, select that not only field strain Leaf pattern is good, quality is excellent, resistance, and wild abortion type sterile series is had certain holding capacity come from India Basmati perfume (or spice) rice group material Pusa;

    Step 2, by the Systematic selection to Pusa continuous multi-generation, the method taking to find idiotype difference in colony, strengthen separating big colony screening pressure, minor effect Restore gene is eliminated by generation, in conjunction with field rice food flavor evaluation, from 11767 parts of resources, identify extra best best keep based material Pusa167-12;

    Step 3, by the continuous pairs backcross transformation of Pusa167 Yu Zhenshan 97a, final transformation goes out Zhejiang A in the high-quality odor type sterile line that plant type is new, better resistance, main quality reach superior rice 1-2 grade standard promulgated by the ministries or commissions of the Central Government.

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