Using the stem shikimmate dehydrogenase isoz yme marker combined with root or stoot tip chromosome numbering, we can identify the pollenoriginated plants of asparagus.

• 石刁柏幼茎中莽草酸脱氢酶同工酶的多态性表现稳定，用其作为遗传标记 结合细胞学方法可以鉴定花粉植株的起源。