Experiment 8965
Worktypes
Details
| Property | Value |
|---|---|
| Pharmacology | |
| Organism | Ephedra sinica (EPHEDRACEAE) |
| Citation | CHRISTENSEN,BV: HINER,LD:. (1936). CULTIVATION OF EPHEDRA IN SOUTH DAKOTA.. 25() |
| Amount utilized | |
| Compound isolated | |
| Disease | RESULTS FROM CULTIVATION OF CHINESE EPHEDRA SINICA IN SOUTH DAKOTA (USA) IN 1935. THE PLANTS PRODUCE VIABLE SEEDS AND ARE RAPIDLY PROPAGATED. THE CROP MAY BE HANDLED LIKE ANY OTHER HAY CROP, BY CUTTING IT WITH MOWERS, ALLOWING IT TO CURE IN THE FIELD AND THEN BALING FOR SHIPMENT. THE PROPER TIME FOR HARVESTING FAVORS LATE SEPTEMBER SINCE DAMAGING FROSTS ARE EXPECTED BY OCTOBER 1ST. THE UNDISTURBED PLANTS SPREAD TO FORM A SOD THAT ELIMINATES CULTIVATION EXCEPT FOR HAND WEEDING. STEMS PRODUCED IN A SINGLE GROWING SEASON ARE SMALL, BEAR FEW SEEDS AND RUN LOW IN EPHEDRINE CONTENT. MATURING THE STEMS FOR A SECOND GROWING SEASON INCREASES STEM PRODUCTION FROM THE NODES OF THE OLD STEMS, STIMULATES SEED PRODUCTION AND INCREASES EPHEDRINE CONTENT. THE BEST ASSAY FIGURE OBTAINED WAS STILL CONSIDERABLY BELOW THAT OF THE IMPORTED DRUG. THE PLANT IS PERENNIAL IN SOUTH DAKOTA. |
| Number | 2 |
| Qualitative result | . |