The Red De’Aiijou, Sharkrimson, Red Comis, Koscade, Maxred Bafllef of Pyrus communis L. cultivars were used as experimental materials in this paper. The phenophase, botanical characteristics, shoot growth and development characteristics and disease resistance characteristics of Pyrus communis L. cultivars were investigated. The effect of different planting methods(single plant and cluster plant) and paclobutrazol on shoot growth and development were studied. The results showed that:
1.The different char...