Technology for garlic seeds purification and rejuvenation by using microgranules

The invention discloses a technology for garlic seeds purification and rejuvenation by using microgranules whose average grain weight is smaller than 0.3 g. The technology comprises the steps of 1) selecting garlic varieties promoted on production; 2) selecting petal-cultured aerial bulbs with Typical plant harvest of original varieties; 3) culturing garlic seeds of generation one, namely hanging a harvested aerial bulb in a ventilated and dry place, preparing the soil fine before sowing, and applying a base fertilizer thoroughly, sowing one by one after ditching in a row spacing of 15cm, plant spacing of 3cm and sowing depth of 2cm to promote a single head garlic or a sub-clove garlic; 4) culturing garlic seeds of generation two, namely sowing a garlic of the original variety or the generation one in autumn and covering the garlic with a film, and sowing in a row spacing of 15cm, plant spacing of 10cm and sowing depth of 5cm, and the early mature garlic sprouts varieties can be applied for production, and th