Guanxi pummelo fruits including no-pollinated inbred fruit and pollinated hybridized fruit were experimented to determine isoenzymes by means of polyacrylamide gel electrophoresis.

• 通过授粉处理，以未授粉的自交果和授粉的杂交果的琯溪蜜柚果实汁胞为材料，采用垂直板聚丙烯酰胺凝胶电泳方法进行同工酶测定；