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1、选育经过 临沂双大金杏是临沂果区从当地栽培杏（Armeniaca vulgais Lam.）中发现选出的优异品种，母树在临沂市兰山区茶山园艺场，20余年生。1993年发现该品种后开始进行嫁接繁育和区域观察及生产试验，表现果实商品性状好、自花结实力强、花期耐霜冻、遗传性状稳定。因其
1, breeding After Linyi double big apricot is Linyi fruit area from the local cultivated apricot (Armeniaca vulgais Lam.) Found in the selection of excellent varieties, trees in Linyi City, Lanshan District Chashan gardening field, more than 20 years. After the discovery of the variety in 1993, it began to conduct grafting breeding and regional observation and production test, showing that the commodity of fruit has good characters, strong self-flowering, frost-resistance in flowering and stable genetic traits. Because of it