Seed Purification and Rejuvenation of Corydalis yanhusuo from Hanzhong
Corydalis yanhusuo has been cultivated in Hanzhong for more than 50 years through self-plant-ing,and the germplasm resources are seriously degraded.Therefore,it is necessary to purify and rejuvenate Co-rydalis yanhusuo.In this experiment,plants from different altitudes were used as materials to conduct experi-ments in botany,disease resistance,and quality analysis.The results showed that there was no change in the seed emergence stage,but seeds treated at higher altitudes exhibited greater height,canopy density,lower dis-ease incidence,delayed seedling stage,and higher tetrahydropalmatine content.It is suggested that a seed re-source purification and rejuvenation base should be established in the northern high mountain area,while a com-mercial production base should be set up in the low elevation area of the basin.
Corydalis yanhusuoPurification and rejuvenationResearch
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