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油橄榄从1956年正式引入我国以来,到目前为止共引进品种62个,其中30个品种已经开花结实。这些品种在不同的立地条件和不同的栽培措施下,反映很不一致,对于一些不适宜在本地生长的品种我们采用高接换种的方法进行了改造。在7年中共改接大树103株,接穗893个,其中以马耳形插皮接效果最好。一般大树改接二年后就能形成较完整的树冠(见图1),个别品种或单株可开始结实。具体做法是:
Since olive oil was officially introduced into our country in 1956, 62 species have been introduced so far, of which 30 species have already been blossomed. These varieties in different site conditions and different cultivation measures, reflecting very inconsistent, for some not suitable for the local growth of species we use high-substitution method has been transformed. In 7 years, the Chinese Communist Party changed 103 trees, 893 scions, of which the best effect is the insertion of horse-shaped cuttings. The general tree to connect two years after the formation of a more complete canopy (see Figure 1), individual varieties or individuals can begin to grow strong. The specific approach is: