福建省沙县凤岗镇现有芦柑面积585ha，而其所用砧木主要由机壳、福桔、酸橙三种构成，其中枳壳砧达428ha，盛产期一般产量为30～45t／ha；福桔砧面积82ha、酸橙砧75ha，它们虽只占芦柑总面积的27％，但产量却只有5．25t／ha，且品质差，效益低。为此，我们对这两种低值砧木的芦 Fenggang Town, Shaxian County, Fujian Province, has an area of ​​585ha of citrus trees, while the rootstocks used by it are mainly composed of three kinds of chassis: citrus aurantium and anise orange, of which the ani antrum is up to 428ha and the average yield is 30-45t / ha. Anvil area of ​​82ha, lime anvil 75ha, although they account for only 27% of the total area of ​​citrus, but the yield is only 5.25t / ha, and poor quality, low efficiency. To this end, we are on both low-value rootstocks