Method for improving bolting and flowering efficiency of brassica juncea through induction

The invention discloses a method for improving the bolting and flowering efficiency of brassica juncea through induction and belongs to the technical field of crop cultivation. The method comprises the following steps: (1) selecting fresh mature qualified brassica juncea commercial seeds; (2) in the middle ten days of August, putting the seeds into a beaker, slowly adding warm water at 45-50 DEG C, gently and slowly stirring for 3-5 minutes, standing for 3-4 hours, and draining with gauze; (3) putting the drained seeds into a high-temperature disinfected and sterilized culture dish paved with filter paper, uniformly spreading the seeds on the filter paper, keeping the filter paper wet, sealing with a sealing film, and carrying out dark culture at 20-25 DEG C for 10-14 hours until the white parts of 80% of the seeds are exposed; (4) putting the culture dish full of the seeds with the white parts exposed into a refrigerator at the temperature of 3-5 DEG C for dark treatment for 10-30 days, and keeping the filte