油橄榄是一种优质高产的木本油料植物,全世界橄榄油年产量达130万吨左右.在世界食用木本油料中居于首位.栽培历史已有四千年以上,在几千年的人工选择下,已经形成许多品种和类型.近百年来,随着引种栽培范围的不断扩大,又出现了不少新的品种.据报导有记载的品种在350个以上,估计品种总数在500个以上.丰富的品种资源为我国的引种工作提供了有利的选择条件. Olive is a high-quality and high-yield woody oil plants, the world’s annual output of olive oil reached 130 million tons in the world food woody oil in the first place. Cultivation history has more than four thousand years, thousands of years of manual selection Many varieties and types have been formed, and over the past 100 years, with the continuous expansion of the introduction and cultivation, many new varieties have emerged, and more than 350 varieties have been reported and the total number of varieties is estimated to be more than 500. The rich variety of resources for the introduction of China’s work provides a favorable choice conditions.