Method for efficiently inducing jujube tree 2n pollen
A technology of pollen and jujube, which is applied in the direction of botanical equipment and methods, application, plant gene improvement, etc., can solve the problem of unsatisfactory induction effect, achieve the effect of simple and convenient method, increase the probability of occurrence, and high induction efficiency
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[0014] Using the excellent diploid variety 'Honey Pot' as the test material, on May 12-13, 2010, a healthy jujube tree with normal development on the periphery of the canopy was selected, and the base was cut with a blade, with a length of about 0.8-1.2 mm and a depth of 0.8-1.2 mm. The xylem, the wound is smooth and has no burrs; quickly cover the wound with absorbent cotton, fix the absorbent cotton on the wound with plastic wrap to make the wound fully contact with the absorbent cotton, and wrap the plastic wrap with kraft paper for shading; use a syringe to inject 0.3% colchicine (containing 1% DMSO) was added dropwise on the absorbent cotton to soak the absorbent cotton; every 4-6 hours, the liquid medicine was dripped once to keep the absorbent cotton moist. After 24 hours, all wrappings were removed, and the wound was rinsed with water; collected and processed from June 1st to 7th. For flower buds that have reached the stage of bud splitting, use a dissecting needle to q...
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