The results were as follows: 1.Focusing on the resources of Morus atropurpurea Roxb, the contents of mulberry polysaccharide of more than 100 varieties were tested.

• 试验主要结果如下： 1．以广东桑树资源为主，测定了100余个品种的桑叶多糖含量，发现不同桑种、品种间桑叶多糖含量存在显著差异。