A kind of method for improving Chinese catalpa graft stock reproductive efficiency

A kind of method for improving Chinese catalpa graft stock reproductive efficiency

  • CN 104,798,610 B
  • Filed: 05/20/2015
  • Issued: 02/27/2018
  • Est. Priority Date: 05/20/2015
  • Status: Active Grant
First Claim
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1. A kind of 1. method for improving Chinese catalpa graft stock reproductive efficiency, it is characterised in that be achieved by the steps of:

  • 1) seeding and seedling raising cultivates stock:

    The ripe Chinese catalpa seed of September part collection, promptly gathers before capsule cracking, will gatherChinese catalpa seed dry 5~7d, after peeling do hide;

    Early or mid April next year, by seed with 50-70 DEG C of water seed soaking 20-24h, drag forMixed thoroughly after going out with the damp sand mixing of 2-4 times of volume, be stacked in Small plastic shed and carry out vernalization, when seed have 30%~40% show money or valuables one carries unintentionally whenIt can sow, seedling stage will carry out field management, the transplanting of the 3rd year spring, every mu of 3500~3700 plants of nursery stock of reservation, grow to suitable crudeDegree can do graft stock;

    2) stock cuttage:

    During making graft stock, after the portion collection arrangement that Chinese catalpa stock nursery stock top is wiped out, whenIt cuts into section in the cool, and upper section is truncate away from bud about 1~1.5cm, lower section bevel, and stem section length is generally 12~15cm, the stem section cut is put into 20~24h of immersion in 150-250ppm ABT1 root-inducing powders, dragged for according to thickness grading, a point bundleAfter going out field management is carried out to ensure growing up strong and sturdy for nursery stock, the 2nd year spring can be used as Chinese catalpa grafting in big Tanaka'"'"'s cuttage immediatelyStock, every mu retains 1500~2000 plants;

    Recycle above-mentioned way, cuttage and seedling culture Chinese catalpa stock;

    3) Chinese catalpa grafting:

    Using being connect with xylem bud or double tongue graftings utilize the Chinese catalpa stock made to carry out Chinese catalpa grafting.

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