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Site Specific Hybrid Planting

Site Specific Hybrid Planting. Site specific hybrid planting (SSHP) G X E Interaction Hybrid Characteristics Regional Hybrid Performance Constructing a field Field Layout/ History Future of SSHP, Requirements and Challenges. Introduction.

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Site Specific Hybrid Planting

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  1. Site Specific Hybrid Planting

  2. Site specific hybrid planting (SSHP) • G X E Interaction • Hybrid Characteristics • Regional Hybrid Performance • Constructing a field • Field Layout/ History • Future of SSHP, Requirements and Challenges Introduction

  3. What exactly is site specific hybrid planting? (SSHP) Environment 1 Environment 2

  4. Hybrid G X E Interaction Wide scale testing during breeding/cultivar advancement Phenotyping Always changing Genotype X Environment

  5. Yield Maturity Disease Drought Fertility Population Flex Many More Hybrid must be complementary to the environment Hybrid Characteristics

  6. Regional= dealer/network area G X E Regional Yield Trials Evaluate Hybrid X across many different conditions Mass amount of data Evaluation of potential lines Regional Hybrid Performance

  7. Field has a unique layout • Select a pool of potential hybrids • DK 56-78: High yield potential, low stress tolerance • DK 54-85: Mod yield potential, good stress tolerance • Designate clear management zones • Sand hills, high yield, gray leaf spot, etc… Constructing a Field

  8. Analyze past yield history carefully • Hybrid A in 2011 is not equal to Hybrid B in 2012 • Maintain close maturities • Start with simple layout Constructing a Field (cont)

  9. Constructing a Field (cont) Deep Sand w/ low water holding potential. Clay w/ high water holding potential with high to moderate yield potential Loam w/ moderate water holding potential and potential for high and moderate yields

  10. Constructing a Field (cont) Hybrid A: high stress tolerance, ability to flex in good moisture and low population Hybrid C: ability for high yields, high population and higher disease pressure Hybrid B: ability to sustain yield in moderate population with periods of stress

  11. New Planter • Multiple bins • Mass amount of yield data • Phenotyping data • More complex overtime Future/Requirements

  12. Who gets data? Adoption of technology Seed distribution Phenotyping Quality of regional data Hybrid and environmental change Challenges= Opportunities

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