Application of SlCSN5B gene in regulation and control of tomato flowering time

The invention relates to the technical field of biology, in particular to application of an SlCSN5B gene in regulation and control of tomato flowering time. The coding sequence of the SlCSN5B gene is shown as SEQ ID NO: 4, the gene is mutated through a CRISPR-Cas9 mediated gene editing technology, so that the function of the gene is lost, the flowering time of a mutant plant is generally advanced by about 6 days compared with that of a control plant, the flowering time of tomatoes can be controlled by editing the gene, the growth cycle of the plant can be shortened, and variety cultivation work in different flowering periods can be realized. 本发明涉及生物技术领域，具体涉及SlCSN5B基因在调控番茄开花时间中的应用。SlCSN5B基因的编码序列如SEQ ID NO:4所示，通过CRISPR-Cas9介导的基因编辑技术，对该基因进行突变使其功能丧失，突变型植株的开花时间比对照植株普遍提前约6天，通过对该基因进行编辑可以控制番茄开花时间，缩短植株生长周期，实现不同花期的品种培育工作。