Method for culturing cauliflower regenerative tree by free microspore culture technology
A technology for microspore culture and regeneration of plants, applied in botany equipment and methods, plant regeneration, horticultural methods, etc., can solve problems such as stagnant development of microspore embryos, achieve the goals of shortening breeding time, enriching breeding resources, and speeding up the pace of breeding Effect
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[0008] A method for cultivating cauliflower using free microspore culture technology is carried out according to the following steps: ① Take materials: take the inflorescence with the bud length of 3-6 mm, and the pollen development period is the late mononuclear stage. ②Material sterilization: Use 7% (w / v) saturated calcium hypochlorite solution to disinfect the surface for 15 minutes, and rinse with sterile water 3 times. ③Collection and cultivation of microspores: put the sterile flower buds in a mortar, add a small amount of B5 washing medium (see the attached table for the formula), press the material lightly with the mortar to free the microspores from the anthers, use 45μm Filter with a pore size nylon mesh, collect the filtrate at 1000 rpm, centrifuge 3 times, 3 minutes each time, after the last centrifugation, suspend the microspores in the NLN medium (see the attached table for the recipe) sterilized by suction and filtration. Adjust the concentration of microspores to 1...
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