靈(ling)(ling)龍(long)(long)龍(long)(long)眼是(shi)廣西(xi)欽州(zhou)市(shi)靈(ling)(ling)山(shan)縣水(shui)果(guo)(guo)辦(ban)經(jing)多年(nian)觀察對比,從實生果(guo)(guo)樹中選出(chu)的,是(shi)廣西(xi)龍(long)(long)眼特(te)優新(xin)株系和遲熟龍(long)(long)眼優良品種。果(guo)(guo)穗大、著粒(li)密、緊湊(cou)、呈葡萄穗狀,高產穩產、抗逆性(xing)強,平均單穗重530.5克,果(guo)(guo)中等大,平均單果(guo)(guo)重13.5克,果(guo)(guo)肉干脆(cui)、清(qing)甜帶蜜(mi)味,可(ke)食(shi)率69%,遲熟,每年(nian)8月25日前后成熟。靈(ling)(ling)山(shan)靈(ling)(ling)龍(long)(long)龍(long)(long)眼上市(shi)時(shi)間也就是(shi)在8月下旬。
靈龍(long)(long)具有明(ming)顯的優點(dian):果(guo)肉(rou)品(pin)質與“石(shi)硤”相近但(dan)(dan)果(guo)實更(geng)大(da),大(da)小與“大(da)烏元(yuan)”相近但(dan)(dan)果(guo)肉(rou)更(geng)甜,糖度、大(da)小與“儲良”相近但(dan)(dan)穗更(geng)大(da)、更(geng)緊湊、產量更(geng)高。靈龍(long)(long)平均(jun)每(mei)株產量50至(zhi)100公斤,新植果(guo)樹三年即(ji)可掛果(guo),若采用高位嫁(jia)接方法,掛果(guo)期可提(ti)前到兩年。