Guangxi is one of the originating regions of litchi in china and has plenty of seeding litchi germplasm, especially early maturity characters are obvious in southwest Guangxi. However, these early mature seeding litchi resources are destroyed gradually, and the quantity is decreasing because of less protection and excessively hewing. It is very necessary to perform further study on early mature seeding litchi resource in southwest Guangxi. Based on this, field survey, morphological identification, ISSR anal...