A modified method of genomic DNA extraction and establishment of AFLP systems in Rhus chinensis Measurement of  Total Level of DNA Methylation in Phalaenopsis spp. PLB Extract Genomic DNA from Phyllostachys edulis by CTAB-Based Method Isolation of high quality genomic DNA from dried leaves of Taishan Salvia miltiorrhiza f. alba COMPARATIVE STUDY OF EXTRACTION METHOD FOR GENOMIC DNA IN MAT RUSH