龙眼树寿命长,产量高,通常经济寿命在百年以上,如泉州肖厝一株200多年生的福眼树,至今仍树势旺盛,1981年尚结果3486斤.但部分果园因长期管理粗放,加上自然灾害的影响,致使树体出现早衰,大量 Longan tree long life, high yield, usually more than a hundred years of economic life, such as Quanzhou Xiaozhuo a 200-year-old blessed tree, is still vigorous, 1981 still results 3486 kg.But part of the orchard due to the extensive management of long-term, plus On the impact of natural disasters, resulting in premature aging tree, a large number