大扁杏育苗大扁杏是辽宁省重要木木油料树种之一。朝阳市将在“八五”期末新发展以山杏、大扁杏、大枣为主栽品种的经济林３３ｈｍ２．基本建成全国重点“两杏一枣”商品生产基地。实现此目标则需大扁杏苗２～３亿株。现针对大扁杏育苗存在不易出苗、苗期病害严重、嫁接成... Daping apricot nursery Daping apricot is one of the important wood species in Liaoning Province. Chaoyang City, the “Eighth” the end of the new development of apricot, Daixing apricot, jujube-oriented varieties of economic forest 33hm2. Basically completed the national key “two apricot a date” commodity production base. To achieve this goal requires 2 to 300 million large flat apricot seedlings. Now there is not easy to seedling emergence of Apricot seedlings, seedling disease is serious, grafted into ...