Radish(Raphanus sativus L.) is a kind of popular vegetables with a long history of cultivation in China and plays an important role in production and supply, but bolting in advance brings grave losses in yield and quality. Bolting in plant is an important phase after transition from vernalization to sextual development and has tight contact relation with vernalization, flower bud differentiation and florescence. Sequently, it happens a series of pround changes in aspect of not only modality but also physiol...