1　选育经过“古山二号”龙眼是1982年在龙眼品种普查时由原揭阳县林业局林旭群发现的优良单株。经17年对母树初选、复选和嫁接后代进行品比试验、中间试验和示范推广,选育出性状稳定、早熟、果大质优、丰产稳产的鲜食品种。1986年10月选送“古山二号”龙眼样果参加广东省农委 1 Breeding After the “ancient mountain two” longan in 1982 when the longan varieties census by the original Forestry Bureau of Jieyang Forestry Group found that excellent single plant. After 17 years of primary tree primaries, check and grafted offspring of the ratio test, the intermediate test and demonstration promotion, breeding stable, early maturity, fruit of high quality, high yield and stability of fresh varieties. October 1986 election to send “Gushan II” longan fruit to participate in the Guangdong Provincial Agriculture Commission