US Patent No: 7,950,183

Number of patents in Portfolio can not be more than 2000

Methods of producing a synchronized population of conifer somatic embryo germinants

ALSO PUBLISHED AS: 20080206868

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Abstract

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In one aspect, the present invention provides methods of producing a synchronized population of conifer somatic embryo germinants in preparation for transplantation. The methods of the invention comprise the steps of: (a) culturing conifer somatic embryos on sterile germination medium for a sufficient period of time to produce germinants comprising a visible, well-defined epicotyl stem of a desired length; (b) selecting a plurality of germinants having an epicotyl stem of the desired length; (c) storing the selected germinants having an epicotyl stem of the desired length produced in step (a) while still on the sterile germination medium from step (a) in a cold environment in which the temperature is in the range of 0.5° C. to 10° C. for a time period up to six months; and (d) transferring the germinants stored according to step (c) from the germination medium into water for a time of up to about four weeks at a temperature of about 0.5° C. to about 5° C. prior to planting the selected germinants into growth medium.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
WEYERHAEUSER NR COMPANYFEDERAL WAY, WA393

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jamruszka-Lewis, Amy M Sumner, WA 8 1

Cited Art Landscape

Patent Info (Count) # Cites Year
 
WEYERHAEUSER NR COMPANY (11)
5,034,326 Method for reproducing coniferous plants by somatic embryogenesis using adsorbent materials in the development stage media 47 1989
5,036,007 Method for reproducing coniferous plants by somatic embryogenesis using abscisic acid and osmotic potential variation 54 1990
5,041,382 High concentration enrichment of conifer embryonal cells 31 1990
5,236,841 Method for reproducing conifers by somatic embryogenesis using stepwise hormone adjustment 37 1991
5,294,549 Method for reproducing conifers by somatic embryogenesis using mixed growth hormones for embryo culture 37 1991
5,482,857 Method for reproducing douglas-fir by somatic embryogenesis 25 1994
5,564,224 Plant germinants produced from analogs of botanic seed 34 1995
5,563,061 Method for reproducing conifers by somatic embryogenesis using a maltose enriched maintenance medium 25 1995
6,134,830 Method for storing and improving the survival rate of conifer somatic embryo germinants 11 1998
6,150,167 Method of determining conifer embryo maturity using sugar alcohol content 12 1999
6,117,678 Method for determining maturity of conifer somatic embryos 13 1999
 
MEADWESTVACO CORPORATION (10)
5,413,930 Method for regeneration of coniferous plants by somatic embryogenesis 46 1993
5,506,136 Method for regeneration of coniferous plants by somatic embryogenesis 43 1994
5,491,090 Embryogenic coniferous liquid suspension cultures 39 1995
5,534,433 Basal nutrient medium for in vitro cultures of loblolly pines 19 1995
5,534,434 Basal nutrient medium for in vitro cultures of loblolly pines 12 1995
5,731,203 Method for regeneration of coniferous plants by somatic embryogenesis 13 1996
5,731,191 Method for regeneration of coniferous plants by somatic embryogenesis employing polyethylene glycol 14 1996
5,731,204 Method for regeneration of coniferous plants by somatic embryogenesis employing polyethylene glycol 15 1996
5,856,191 Method for regeneration of coniferous plants by somatic embryogenesis in culture media containing abscisic acid 26 1997
2002/0092,037 Use of membrane supports in plant tissue culture processes 11 2001
 
ARBORGEN INC. (3)
5,840,581 Process for somatic embryogenesis of sweetgum 11 1996
6,200,809 Maturation of somatic embryos 19 1998
6,444,467 Process for production and subsequent ex vitro sowing and propagation of pre-germinated plant somatic embryos 18 1999
 
CELLFOR INC. (2)
6,340,594 Production of desiccation-tolerant gymnosperm embryos 15 1997
6,372,496 Desiccation-tolerant gymnosperm embryos 14 1997
 
NEW ZEALAND FOREST RESEARCH INSTITUTE LIMITED (2)
5,565,355 Growth medium 32 1994
5,523,230 Method of environmental control 14 1994
 
UNIVERSITY OF SASKATCHEWAN (2)
5,464,769 Desiccated conifer somatic embryos 43 1993
5,985,667 Maturation, desiccation and encapsulation of gymnosperm somatic embryos 13 1994
 
WESTVACO CORPORATION (2)
5,610,051 Method for production of coniferous isogenic cell lines 11 1991
5,677,185 Method for regeneration of coniferous plants by somatic embryogenesis in culture media containing abscisic acid 24 1996
 
WEYERHAEUSER COMPANY (2)
4,217,730 Embryogenesis of gymnosperm forest trees 25 1979
4,957,866 Method for reproducing coniferous plants by somatic embryogenesis 49 1989
 
ARBORGEN NEW ZEALAND UNLIMITED (1)
6,180,405 Starvation and storage of mature somatic embryos 14 1998
 
B.C. Research Inc. (1)
5,183,757 Process for the production, desiccation and germination of conifer somatic embryos 43 1989
 
GEORGIA TECH RESEARCH CORPORATION (1)
5,187,092 Somatic embryogenesis in gymnosperms 38 1990
 
HORIZON2 LIMITED (1)
6,417,001 Embryogenesis process for initiation 11 1998
 
INCOTEC INTERNATIONAL B.V. (1)
6,022,744 Method for the production of desiccation tolerant plant embryoids and methods for germination of desiccation tolerant embryoids 16 1996
 
NOVARTIS AG (1)
5,587,312 Somatic embryogenesis method 13 1995
 
Plant Genetics, Inc. (1)
4,801,545 Enhanced somatic embryogenesis using maltose 26 1983
 
THE INSTITUTE OF PAPER AND SCIENCE TECHNOLOGY (1)
6,492,174 Methods of initiating embryogenic cultures in plants 13 2000
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
5,821,126 Method for clonal propagation of gymnosperms by somatic polyembryogenesis 25 1995
 
UNILEVER PATENT GROUP (1)
5,501,972 Method of producing embryogenic callus of Norway spruce (Picea abies and regenerating plantlets therefrom 12 1994
 
Union Camp Corporation (1)
5,850,032 Method for production of plant biological products in precocious neomorphic embryoids 27 1994
 
UNIVERSITY OF GUELPH (1)
5,238,835 Process to induce desiccation tolerance in somatic embryos 20 1990
 
Other [Check patent profile for assignment information] (1)
2003/0182,696 Method for producing somatic embryos of pine trees (genus pinus) 2 2003

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