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  • Update on the IR-4 Ornamental Horticulture

    ProgramCristi L Palmer

    IR-4 Ornamental Horticulture Program Manager

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    IR-4 MissionFacilitate registration of

    sustainable pest management technology for specialty crops

    and minor uses

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    IR-4 Activities on behalf of the Green

    Industry:Data development for registration support

    Photos by Cristi Palmer

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    Ornamental Horticulture Program Data Summaries 2015 YTD

    0

    500

    1000

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    3500

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    4500

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    0.0

    5.0

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    25.0

    Average 2013 2014 2015

    Num

    ber of Trials

    Num

    ber o

    f Sum

    mar

    ies

    Year

    InternationalRegistration Support

    Other Projects

    High Priority Projects

    Contributing Trials

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    Ornamental Horticulture Program Registrations 2015 YTD

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    100

    200

    300

    400

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    700

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    Average 2013 2014 2015

    Num

    ber of Trials

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    ber o

    f Reg

    istr

    atio

    ns

    Year

    Not to be Registered

    International Registrations

    State Registrations

    Federal Amendments

    Federal New Registrations

    Contributing Trials

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    Ornamental Horticulture Program Crops Impacted by Registrations 2015 YTD

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    1000

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    Average 2013 2014 2015

    Num

    ber o

    f Im

    pact

    ed C

    rops

    Year

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    Setting the Stage IR-4s Ornamental Horticulture Program is focused

    on finding solutions to high priority issues Protocol development occurs after priorities have

    been decided Any product not yet registered for the use in

    question is considered an A Biologics and conventionals are tested side by side

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    Products tested during last decade for pathogen, pest, and weed management

    Product TypeNumber of Products Tested

    Pathogens Pests WeedsMicrobial 12 (8%) 12 (8%) 0 (0%)Plant Extract 9 (6%) 12 (8%) 6 (10%)Softer Chemistry 30 (19%) 15 (10%) 6 (10%)Conventional 108 (68%) 106 (73%) 51 (81%)Total 159 (100%) 145 (100%) 63 (100%)Microbial = extracts from or living cells of bacteria and fungiPlant Extract = plant derived productsSofter Chemistry = natural products such as oils or saltsConventional = synthetic products developed to interfere with pest biology and includes stabilized forms of natural chemistries

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    Challenges Biopesticides being placed into protocols originally

    designed for chemically-based product screens Weekly, biweekly, monthly intervals Screening typically one product throughout experiment rather

    than testing rotational programs Curative versus preventative Level of inocula/infestation levels Not all Pythium species are equal Tank mix incompatibilities Storage stability and environmental parameters Potentially dealing with live organisms Broad versus narrow impacts (target & non-target)

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    Take Home Messages Out of these challenges, we have updated

    protocols to: improve testing parameters incorporate clearer guidelines for preventative

    application timing provide guidance on obtaining fresh test materials

    Despite challenges in incorporating biologics into a standard screening program, IR-4 continues to develop efficacy and crop safety information to aid in registration and grower adoption

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    30,000+ Crop Uses

    101+ Registered Products

    23,245 Studies

    31,680 Completed Trials

    60 70 researchers every year

    50% of archived records validated

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    IR-4 Activities on behalf of the Green

    Industry:Coordination of

    research teams for invasive species

    Photos by Cristi Palmer

  • Photo by Cristi Palmer

  • Boxwood Blight

    Research TeamDr. Anton BaudoinDr. Mike BensonDr. JoAnne CrouchDr. Mark CubetaDr. Norm DartMs. Margery DaughtreyDr. Sharon DouglasDr. Anne GouldDr. Chuan HongDr. Kelly IvorsDr. Jim LaMondiaDr. Bob MarraDr. Nina ShishkoffDr. Oney Smith

    Photo by Cristi PalmerLocation: Williamsburg, VADate: 9/5/2014

    Boxwood Blight

  • Photo by Cristi PalmerLocation: Hightstown, NJDate: 9/5/2014

    Research Goals Fungicide screening and mitigation

    strategies Cultural control potentials Effect of sanitizers on conidia and

    mycelia Impact of fungicides on

    microsclerotium development Screening of potential biopesticides

    for microslerotium inactivation

    Boxwood Blight

    Development of isothermic LAMP detection assay Boxwood species and cultivar screen for resistance Cps host range (Pachysandra and Sarcoccoca) Development of infections under field conditions Calonectria pseudonaviculata population genetics Development of epidemiology model based on U.S. temperature and moisture

    conditions

  • Boxwood Blight

    Research TeamDr. JoAnne CrouchMs. Margery DaughtreyDr. Anne GouldDr. Mary HausbeckDr. Lina QuesadaDr. Aaron PalmateerDr. Nina Shishkoff

    Photo by Cristi PalmerLocation: Cream Ridge, NJDate: Fall 2014

    Impatiens Downy Mildew

  • Boxwood Blight

    Photos by Margery Daughtrey

    Research Goals Overwintering of Plasmopora

    obducens oospores Fungicide screening and

    rotational strategies Sporangia and oospore

    development and epidemiology Plasmopora obducens population

    genetics Development of genetic tools for

    downy mildews including Impatiens Downy Mildew, Cucurbit Downy Mildew, Hops Downy Mildew, Basil Downy Mildew

    Impatiens Downy Mildew

  • Ornamental Horticulture Pollinator

    WorkshopDec 15-16, 2014

    Cristi L PalmerIR-4 Ornamental Horticulture

    Program Manager

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    Ornamental Horticulture Pollinator Workshop

    Outcomes Better understanding of risk assessment

    process and the data needed Identification of key knowledge gaps How scientific results are communicated is

    important

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    How has IR-4 been so successful?

    Collaboration!

  • Thank you !Funding for IR-4 Research:USDA-NIFAUSDA-ARSUSDA-APHISLand Grant Institutions

    Researchers:All the fine researchers throughout the US and in cooperating countries

    IR-4 Personnel:Susan

    BierbrunnerMichelle FooEdith LurveySatoru Miyazaki

    Mika Pringle-Tolson

    Marylee RossBecky SiscoEly Vea

    Growers:Who donate time to complete the biennial survey and all those plant materials!

  • Thank you !Photo by Cristi Palmer

    Update on the IR-4 Ornamental Horticulture ProgramIR-4 MissionSlide Number 3Ornamental Horticulture Program Data Summaries 2015 YTDOrnamental Horticulture Program Registrations 2015 YTDOrnamental Horticulture Program Crops Impacted by Registrations 2015 YTDSlide Number 7Setting the StageProducts tested during last decade for pathogen, pest, and weed managementChallengesTake Home MessagesSlide Number 12Slide Number 13Slide Number 14Boxwood BlightSlide Number 16Boxwood BlightBoxwood BlightSlide Number 19Ornamental Horticulture Pollinator Workshop Slide Number 21Slide Number 22Slide Number 23

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