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During the early 1980s, while searching for ways to more fully utilize the techniques of plant biotechnology, IPGRI (the International Plant Genetic Resources Institute, then the International Board of Plant Genetic Resources, IBPGR) suggested that germplasm be collected by means of in vitro meth...
Plant species that are vegetatively propagated, that have long life cycles and/or produce nonorthodox seeds are traditionally maintained in field collections. Maintaining plants in the field is costly and carries high risks of loss; therefore, the strategies and procedures employed to establish a...
Shoot-tips and somatic embryos are the explants of choice for the in vitro long-term storage of ex situ plant genetic resources in liquid nitrogen. Cryopreservation of organized structures has significantly progressed, especially for species of tropical origin, with the development of several vit...
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