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Forest Trees (1991) / Chapter Skim
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Glossary
Pages 201-206

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 201...
... apomixis Asexual reproduction in plants in which the sexual organs or related structures are involved, but fertilization does not occur. The resulting seed is vegetatively produced from an unfertilized egg or from somatic cells associated with the female parent base pair A pair of hydrogen-bonded chemical components (one a purine, the other a pyrimidine)
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From page 202...
... dioecious Pertains to plant species having female and male sex organs on different plants. diploid Possessing twice the number of chromosomes as the number present in reproductive organs such as eggs or the reproductive cells of the pollen grain.
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From page 203...
... gene The basic functional unit of inheritance responsible for the heritability of particular traits. gene bank An institution or center that participates in the management of genetic resources, in particular by maintaining ex situ or in situ collections; the term also can refer to a collection of genetic resources rather than the institution holding it.
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From page 204...
... in situ management The managing of organisms in their natural state or within their normal range; for trees, this may include such activities as the planting of provenance trials, seed orchards, or conservation stands within a species' natural range. interbreeding In the context of this report, trees that are capable of actual or potential gene exchange through hybridization.
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From page 205...
... provenance Origin or source; for trees, an identifiable region in the natural habitat of a species from where the seed of the trees originally came. provenance testing Growing trees in different provenances to deter mine how they will respond.
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From page 206...
... seed bank An ex situ managed collection of seeds, usually available for distribution and exchange. seed collection stand Plantations or planted stands managed and maintained for the purpose of producing seed.
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Key Terms

  • homologous chromosomes
  • term refers
  • genetic diversity
  • single gene
  • reproductive organs

  • natural range
  • planted stands
  • plant species
  • corresponding loci
  • situ management

  • tissue culture
  • sexual organs
  • plant typically
  • woody perennials
  • loss exists

  • natural state
  • forms useable
  • differential movement
  • tissues excised
  • enclosed ovary

  • living tissues
  • diverse collection
  • resulting seed
  • herbaceous perennials
  • receptive stigma

  • related disciplines
  • particular traits
  • institution holding
  • bearing seeds
  • artificial process


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