Summer radish new variety breeding method

Summer radish new variety breeding method

  • CN 101,946,687 A
  • Filed: 07/12/2010
  • Published: 01/19/2011
  • Est. Priority Date: 07/12/2010
  • Status: Active Application
First Claim
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1. summer radish breeding of new variety method, it is characterized in that:

  • it comprises the following steps;

    A, hybridization assembly;

    it is maternal to adopt local traditional water radish " Chinese holly " to do, when treating that bolting is bloomed, remove flower pesticide in the flower, and summer radish is covered yarn isolate, prevent that other flower pesticide from entering, second day, pollen on the male parent " spring is white " at florescence is awarded on the female parent, sexual hybridization after the pollination, is fixed with paper bag;

    B, impurity elimination protect excellent;

    pull out that fleshy root is less, skin is rough, lateral root is many, the individual plant of first bolting, and diseased plant, mix strain and special-shaped strain;

    C, results breeding;

    in time gather in the crops after planting the pod yellow maturity, select ripening rate height, good the reserving seed for planting of growth during results, receive the timely airing in back, threshing, selected, air-dry, under the low temperature drying condition, preserve, be first generation seed;

    D, isolate breeding;

    the high-quality first generation seed of getting after the hybridization is planted, the field of selecting to note with the crop in cruciferae distance isolation more than 1000 meters, the field that stubble was not planted brassicaceous vegetable before selecting, early Febuary, 10cm ground temperature is stabilized in program request more than 5 ℃

    on the face of land, 0.5 kilogram of every mu of program request, every cave 3-5 grain, general density 0.8 ten thousand strain/mus, distance between rows and hills 40cm * 20cm, seed level 2-3cm after planting in time builds little shed;

    E, selective nursery;

    2-3, first generation seed is planted, after blossoming and bearing fruit, divide individual plant to gather seed, 4-5, get and gather in the crops seed last year and plant, florescence is isolated management, record breeding time, resistance, yielding ability, adaptability and stability, wait blossom and bear fruit after, divide system'"'"'s results, get the summer radish new varieties.

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