大蒜通常是以蒜头进行无性繁殖的蔬菜，在长期的无性繁殖过程中，易感染多种病毒并在体内积累，导致品种种性退化，产量和品质下降。而大蒜有性繁殖产生的实生种，在孢子体和配子体的世代交替过程中，一般均有“自然脱毒”的过程。在生产实践中，我们针对大蒜的繁殖特点，采用 Garlic is usually vegetatively vegetatively cultivated vegetables. During the long-term asexual reproduction, many viruses are easily infected and accumulate in the body, leading to the deterioration of variety and the decrease of yield and quality. However, the actual species produced by the sexual reproduction of garlic generally have the process of “natural virus-free” during the generational alternation of sporophytes and gametophytes. In the practice of production, we adopt the characteristics of garlic breeding