npgs genebanks and ncpn clean plant centers
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NPGS Genebanks and NCPN Clean Plant Centers. Joseph Postman Plant Pathologist & Curator National Clonal Germplasm Repository Corvallis, Oregon. May 2010. U.S. National Plant Germplasm System (NPGS). Scope of Collections Pathogen Status (germplasm born pathogens) - PowerPoint PPT PresentationTRANSCRIPT
NPGS Genebanksand
NCPN Clean Plant Centers
Joseph PostmanPlant Pathologist & Curator
National Clonal Germplasm RepositoryCorvallis, Oregon
May 2010
U.S. National Plant Germplasm System
(NPGS)
• Scope of Collections
• Pathogen Status (germplasm born pathogens)
• Plant Distribution
(dilution of NCPN efforts?)
• How can NCPN benefit from NPGS
U.S. National Plant Germplasm System
• 441,000 Accessions
• 11,000 Species
Germplasm Resources Information Network (GRIN)
http://www.ars-grin.gov/npgs/
National Clonal Germplasm Repositories
Scope of NPGS Collections: Davis
Genus Accessions Species CountriesActinidia 80 17 4Diospyros 166 5 13Ficus 325 4 17Juglans 591 22 35Olea 153 3 27Pistacia 332 14 25Prunus 1644 94 60Vitis 3306 50 58
Scope of NPGS Collections: GenevaGenus Accessions Species CountriesMalus 6604 55 59Prunus 128 11 13Vitis 1461 27 26
Genus Accessions Species CountriesCitrofortunella 15 3 2Citroncirus 54 2 2Citrus 1323 89 38Fortunella 17 7 3Microcitrus 27 8 5Phoenix 125 8 13Poncirus 61 2 5
Scope of NPGS Collections: Riverside
Scope of NPGS Collections: Corvallis
Genus Accessions Species CountriesCorylus 865 21 42Cydonia 133 2 19Fragaria 1890 43 39Humulus 1582 8 27Pyrus 2242 39 59Ribes 1324 116 41Rubus 2329 198 66Sambucus 205 21 27Vaccinium 1758 69 36
NCGR Corvallis – Collection Summary10,500 total plant and seed accessions
(5100 field plants, 7200 screenhouse plants)
Actinidia2%
Corylus9%
Cydonia1%
Fragaria18%
Humulus5%
Mentha6%Mespilus
0%
Pyrus26%
Ribes10%
Rubus11%
Sambucus1%
Sorbus1%
Vaccinium10%
Clonal Accessions
ex situ clonal collections:
Orchard
Screenhouse
Repository Objectives
VirusDetection
VirusElimination
Heat treatmentMicropropagation
Known Infected Accessions
Genus Infected Clones CultivarsCorylus 0 -Fragaria 205 80Humulus 48 41Pyrus 207 171Ribes 63 54Rubus 67 48Vaccinium* 7 6* phytoplasma
Plant Distribution 2009
521 requests received
5,800 items shipped
Full Pathogen Testing exceeds genebank capabilities
VIRUS AND VIRUS-LIKE DISEASES OF PEARLABORATORY ASSAYSAgent / Disease Serological Assay Molecular AssayACLSV / ring pattern mosaic X XASGV/ pear stem grooving X XASPV/ pear vein yellows XASSVd XPBCVd XPear decline phytoplasma X
GREENHOUSE INDEXINGHerbaceous indicatorsNicotiana occidentalis 37B ACLSV, ASPV (vein yellows)
Woody indicatorsP. veitchii quince sooty ring spot,vein yellowsPyrus communis: Nouveau Poiteau or Jules d'Airolles
pear ring pattern mosaic, (ACLSV),vein yellows (ASPV), (ACLSV),vein yellows (ASPV),
Malus micromalus GMAL 273 ASGVMalus pumila: Virginia Crab ASGV, ASPVCydonia oblonga: C 7/1 Pigwa PBCVdPyrus communis: Fieud 37 ACLSV, PBCVdFIELD INDEXINGP. veitchiiP. communis-Beurre Hardy-Beurre Bosc-Williams-Doyenne du Comice-D. du Comice*-A 20-Jules d` AirollesC. oblonga-C 7/1 PigwaM. pumila: Lord Lambourne, Virginia Crab
Priorities for Genebank Testing?
• Viruses that impact genebank management– Pollen transmitted (Raspberry bushy dwarf,
Blueberry shock)
• Accessions that are highly requested– core accessions– cultivars
Should we not distribute virus infected accessions?
Collaboration between NPGS and NCPN
• Introduction of NPGS accessions to Introduction of NPGS accessions to nurseries is more efficient that foreign nurseries is more efficient that foreign introductions.introductions.
• Include high-priority NPGS accessions Include high-priority NPGS accessions in clean plant testing/clean-up.in clean plant testing/clean-up.
• NPGS can safeguard obsolete NCPN NPGS can safeguard obsolete NCPN accessions.accessions.
• ??????