| 摘要 |
Improvements in or relating to the Cultivation of Conifers Disclosed is a method of producing embryogenic conifer callus, comprising culturing somatic tissue capable of growth derived from a conifer so as to form nonembryogenic callus and then culturing said non-embryogenic callus in the presence of a nurse culture so as to produce embryogenic callus. Embryogenic callus derived in this way can be used to produced plantlets by known techniques.
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