oregonstate.eduoregonstate.edu/dept/nurspest/Nursery Crops Slideshow.pdf · Ecological and...

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Plant Breeding and Genetics!Ecological and Sustainable Production! Turf Management!

Environmental Landscape & !Urban Forestry!

Viticulture! Therapeutic Horticulture!

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Plant Pathology – Jennifer Parke!

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P. ramorum infection !

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Nursery and Christmas Trees- Landgren!

Evaluation of foliar fertilization products on Conifers!

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Evaluation of foliar fertilization products over 2 years on Nordmann fir!

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Evaluation of foliar fertilization products over 2 years on Nordmann fir!

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Nursery Integrated Pest Management- Rosetta!Heping Zhu, USDA-ARS and Sam Doane, J.Frank Schmidt & Sons Nursery looking at the Smart Sprayer retrofit!

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Ornamental Plant Breeding - Contreras!

Mara Friddle applying treatments to double!chromosomes !

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Maple with agar caps containing oryzalin used to double chromosomes!

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Nursery Integrated Pest Management- Rosetta!

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OSU Nursery Outreach!

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OSU Nursery Outreach!

Luisa Santamaria teaches basic entomology in Spanish at OktoberPest 2010!

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Undergraduate Teaching - Regan!

Students dividing and potting propagules!

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Air layering of Ficus elastica!

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Plant Pathology – Jennifer Parke and Nik Grünwald!

Phytophthora contamination!

Critical Control Points for Phytophthora species all four nurseries combined!

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Water Ground Pots Plant

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P. cactorum

P. cinnamomi

P. citricola

P. citrophthora

P. cryptogea

P. drechsleri

P. foliorum

P. gonapodyides

P. inundata

P. lateralis

P. nemorosa

P. megasperma

P. parsiana

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Phytophthora from irrigation water!

P. citricola!5%!

P. citrophthora!3%! P. cryptogea!

5%!P. drechsleri!

2%!

P. gonapodyides!15%!

P. parsiana!11%!

P. syringae!1%!

P. taxon Forestsoil!6%!

P. taxon Oaksoil!2%!

P. taxon PgChlamydo!16%!

P. taxon Raspberry!1%!

P. taxon Salixsoil!12%!

P. taxon Salixsoil Mix!7%!

P. taxon Salixsoil/PgChlamydo!

1%!P. taxon Salixsoil/PgChlamydo mix!

15%!

P. taxon Walnut!1%!


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Adding amendments at planting time for Hydrangia!

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Checking Noble fir plugs for root growth!

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Stratiolaelaps predatory mite attacking root weevil larva!

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Botany and Plant Pathology - Pscheidt!

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Phytophthora zoospores being released into water!

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Phytophthora ramorum spores germinating on a rhododendron leaf!

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Graduate student, Joe Rothleutner, inoculating cotoneasters with fire blight!

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Fire blight inoculation by cutting the two end leaves with !scissors dipped in inoculum!

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Joe Rothleutner and Mara Friddle collecting data on disease severity!

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Typical symptoms of infection include necrosis and “shepherd’s crook”!on new growth!

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Jennifer Parke, Jay Pscheidt, Rich Regan, Jan Hedberg, Nik Grunwald!

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Tiny amber snails on side of container!

Amber snails can climb plants!

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Derek Wells applying treatments!

Student intern Chris Mack shows amber snails to Clackamas Community College instructor Bruce Nelson!

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Derek Wells and Clackamas Community College student Joan Dudney evaluate amber snail trial!

2011 amber snail trial on hydrangea!

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Mara Friddle applying treatments to double chromosomes of cherrylaurels!

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Nursery Integrated Pest Management- R. Rosetta, V. Walton, and E. Miller!

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Damage to Linden from eriophyid mites!

OSU grad student Betsey Miller explains about the Linden mite research at Nursery Field Day!

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Overwintering sites for mites near pruning cuts!

Eriophyid mites overwinter in bud scales!

oregonstate.eduoregonstate.edu/dept/nurspest/Nursery Crops Slideshow.pdf · Ecological and...

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