Research progress and application prospect on tissue culture of Herba Cistanche AFLP Analysis on diversity of germplasm resource in cultivated and wild Cistanche deserticola Callus culture of Cistanche deserticola and its acteoside content Chromatographic fingerprint of Cistanche deserticola by HPLC Stem rot of Cistanche deserticola Study on viability of Cistanche deserticola seeds Isolation,purification and identification of polysaccharide of Cistanche deserticola Morphology of seed germination and haustorium formation in Cistanche deserticola