大蒜在植物学分类上属百合科、葱属,为多年生宿根植物,在生产上作为一年或两年栽培。大蒜的茎退化成扁平的茎盘,通过生长发育,地下鳞茎生长成蒜头。但大蒜植株在生长发育过程中,在0—4℃的低温条件下形成花芽,随着花梗的伸长,花蕾迅速露出叶鞘,形成蒜苔。在蒜苔顶端花序丛间生长着许多小的气生鳞茎,形成小蒜瓣,群众称为“天蒜”。试验证明,利用气生鳞茎作种,对发展大蒜生产,有许多好处。①繁殖系数高。用大蒜作种繁殖系数在1:6至1:10之间;而用气生鳞茎作种,繁殖系 Garlic classification in the liliaceae, Allium is a perennial perennial plant, in production as a year or two cultivation. Garlic stalks degenerate into flat stems, through the growth and development of underground bulbs grow into garlic. However, garlic plants in the process of growth and development, the formation of low temperature in 0-4 ℃ under the conditions of flower buds, with the elongation of the pedicels, flower buds quickly exposed sheath, the formation of garlic. Garlic in the top of the inflorescence clusters grow many small air bulbs, the formation of small garlic, the masses known as the “day garlic.” Experiments show that the use of aerial bulb as a species, the development of garlic production, there are many benefits. ① high breeding coefficient. With garlic for breeding coefficient between 1: 6 to 1:10; and the aerial bulb for species, breeding