柑橘作为我国的主要果树在全国各地均有大面积栽培,但随着树龄的增加,果实品质逐年下降,病虫害逐年上升,品相越来越差,经济效益几乎到了无利可图的境地。为了提高果业的生产效益,各地采用多种途径但大都不尽人意,最终以高接换冠成功地达到目的。即保住了原有果树,又快速地调整了柑橘品种结构,达到了1a成冠,2a结果,真正做到了改良与结果两不误,果农看到了希望,增加了栽培热情,我国的柑橘果业又呈现了兴兴向荣的景象。 Citrus, as the main fruit tree in our country, has been cultivated in large area all over the country. However, with the increase of the tree age, the fruit quality declines year by year. The pests and diseases are increasing year by year. The quality of citrus is getting worse and worse, and the economic benefit is almost unprofitable. In order to improve the production efficiency of the fruit industry, various ways are adopted in various places but most of them are unsatisfactory. Eventually, the goal of success is achieved by replacing the crown with high succession. That is, to keep the original fruit trees, and quickly adjust the structure of citrus varieties reached 1a into the crown, 2a results, really improved and the results of both correct, fruit growers saw hope and increased enthusiasm for cultivation, China’s citrus fruit Hing Hing also presented the scene.