Studies on the Different Characteristic Ginsenoside in Ginseng (Panax ginseng) and American Ginseng (Panax quinquefolius) by TLC-scanning Cloning of β-amyrin synthase gene from Panax quinquefolius and its bioinformatics analysis Correlation between ginsenoside accumulation and SQS and SQE gene expression in different organs of Panax quinquefolius Relationship between phosphopentose pathway and seed dormancyr eleasing of Panax quinquefolius Study on UPLC-UV-ELSD fingerprint for roots of Panax quinquefolius Application of expert system to multi-media standardized production of Panax quinquefolius Correlation between content of effective compositions and altitudes of cultivating field for Panax quinquefolius from west Anhui Province Correlation between ginsenoside accumulation and SQS and SQE gene expression in different organs of Panax quinquefolius Correlation between content of effective compositions and altitudes of cultivating field for Panax quinquefolius from west Anhui Province Study on mechanism of forming red-skin and dark-green-skin of Panax quinquefolius Dynamics of endogenous hormone in American ginseng seed during morphological after-ripening period and their regulation to embryo development Studies on the Seed Storage Behaviour of Panax quinquefolius