A kind of selection of long term growth perfume round-grained rice rice paddy seed

A kind of selection of long term growth perfume round-grained rice rice paddy seed

  • CN 106,489,722 A
  • Filed: 11/10/2016
  • Published: 03/15/2017
  • Est. Priority Date: 11/10/2016
  • Status: Active Application
First Claim
Patent Images

1. the selection of a kind of long term growth perfume round-grained rice rice paddy seed, it is characterised in that comprise the steps:

  • Step 1. plants nursery in more than 10 °

    C of temperature simultaneously with the japonica rice DL-5 and japonica rice LX-8 with fragrant open form gene;

    Japonica rice Seedling be developed to four leaves wholeheartedly state when while transplant, per plant is transplanted in a single nest, transplant region and select leeward to have on the sunny sideThe mud field that water source is ensured;

    After two japonica rice that step 2. is sowed enter florescence, growth selection is healthy and strong, tillering ability is strong, the disease-free individual plant without worm,Made maternal with DL-5, LX-8 makees male parent, when noon 12 is up to afternoon 1 between, routinely hybridization pollination mode, removes DL-5 grain husks6 pieces of stamen in spending, the pollen of LX-8 is invested in the clever shell of DL-5, sexual hybridization is carried out;

    The kind first that step 3. hybridization is obtained is planted, and obtains second generation seed;

    Step 4. is planted with second generation seed and the seed for obtaining is screened, and selects that grain is savory and the coming year can regenerateRipe grain is planted again as seed;

    Step 5. repeat step 4 at least 5 times, obtains the long term growth perfume round-grained rice rice paddy seed.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×