在西安灞桥的樱桃产区,还存留有不少土生樱桃结果大树,以及早些年栽植的已不适应市场的大樱桃结果大树,需要采用高接换头法进行改良。以往的多年时间里,人们普遍采用的大桩低位换头法,在品种改良方面起到了一些作用,但其方法的缺点是挂果时间偏迟,一般要4～6年才能见 Cherry trees in Xi’an Baqiao also contain many native tree fruits, as well as large tree trees that have been planted earlier in the market and are not suitable for the market. In the past many years, people widely used the method of low pile change, which has played some role in variety improvement. However, the disadvantage of this method is that the fruiting time is late, and it usually takes 4 ~ 6 years to see