The experiment was conducted to establish a rapid and reliable molecular identification method for Blumea balsamifera DC. By genomic DNA extraction method,we screened B. balsamifera and its adulterants,designed primers with the specific loci of B. balsamifera,and optimized the am...
Seeds of Syringa reticulata var. mandshurica stratified for 10, 20 and 40 days were in vitro cultured. Before incubation, three different treatments of seeds were conducted: intact, middle-cut, two ends-cut. The results showed that germination percentage of cut seed was enhanced,...
Epidermal micromorphology of 20 species ferns leaves from different families and genera in Yunnan were observed by optical microscope.The results showed that:different appendages exist in different leaves surface,some species have no appendage.There are eight stomatal apparatus t...