摘要
通过1986～1990年期间的山渣资源考查，查清了内蒙古山植栽培有110余年的历史，野生种质资源有5个种，栽培品种资源11个品种（1985年前）
Investigated resources of Hauthorn Plants in Inner Mongolia during 1986 to 1990.Cleared that its cultiuating history in Inner Mongolia is ovev 110 years. There were 5 wild Species and 11 Varieties (hefore 1985).
