2007 virginia farm bureau annual convention development of low lin and other value-added soy...
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2007 Virginia Farm Bureau2007 Virginia Farm Bureau Annual Convention Annual Convention
Development of Low Lin and other Value-Added Development of Low Lin and other Value-Added
Soy Varieties for VirginiaSoy Varieties for Virginia
Dr. Katy Martin RaineyDr. Katy Martin Rainey
Crop Genetics GroupCrop Genetics Group
Crop and Soil Environmental Sciences DepartmentCrop and Soil Environmental Sciences Department
Virginia TechVirginia Tech
2007 Virginia Farm Bureau2007 Virginia Farm Bureau Annual Convention Annual Convention
Development of Low Lin and other Value-Added Development of Low Lin and other Value-Added
Soy Varieties for VirginiaSoy Varieties for Virginia
Dr. Katy Martin RaineyDr. Katy Martin Rainey
Crop Genetics GroupCrop Genetics Group
Crop and Soil Environmental Sciences DepartmentCrop and Soil Environmental Sciences Department
Virginia TechVirginia Tech
http://cropgenetics.vt.cses.eduhttp://cropgenetics.vt.cses.edu
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Soybean Breeding @ VTSoybean Breeding @ VTSoybean Breeding @ VTSoybean Breeding @ VT F1
F2
F3
F4
Regional Cooperative
Tests
Maturity Group 3Maturity Group 3
Maturity Group 4Maturity Group 4
Maturity Group 5Maturity Group 5
Maturity Group 6Maturity Group 6
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Soybean Breeding @ VTSoybean Breeding @ VTSoybean Breeding @ VTSoybean Breeding @ VT
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Molecular Markers for DNA genotyping
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
TraitsTraitsTraitsTraits
• Value-added Soybean = Specialty SoybeanValue-added Soybean = Specialty Soybean• Value-added Soybean = Specialty SoybeanValue-added Soybean = Specialty Soybean
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
What are Specialty Soybeans?What are Specialty Soybeans?• In the eyes of the buyerIn the eyes of the buyer
• Output traitsOutput traits
• Driven by consumer vs. end-user manufacturerDriven by consumer vs. end-user manufacturer
• Earn a premium over commodity priceEarn a premium over commodity price• Usually short-termUsually short-term
• Cost more to produce Cost more to produce
• Require alternative marketing and delivery channelsRequire alternative marketing and delivery channels
What are Specialty Soybeans?What are Specialty Soybeans?• In the eyes of the buyerIn the eyes of the buyer
• Output traitsOutput traits
• Driven by consumer vs. end-user manufacturerDriven by consumer vs. end-user manufacturer
• Earn a premium over commodity priceEarn a premium over commodity price• Usually short-termUsually short-term
• Cost more to produce Cost more to produce
• Require alternative marketing and delivery channelsRequire alternative marketing and delivery channels
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Breeding for Specialty Traits…Breeding for Specialty Traits…
• Selecting for Selecting for yieldyield andand special traitsspecial traits
• Quality traits sometimes more important than yieldQuality traits sometimes more important than yield
• Resource-intensiveResource-intensive
• Varieties have longevityVarieties have longevity
• Exploit a nicheExploit a nicheGermplasm is notoriously low-yielding and susceptible to disease
Breeding for Specialty Traits…Breeding for Specialty Traits…
• Selecting for Selecting for yieldyield andand special traitsspecial traits
• Quality traits sometimes more important than yieldQuality traits sometimes more important than yield
• Resource-intensiveResource-intensive
• Varieties have longevityVarieties have longevity
• Exploit a nicheExploit a nicheGermplasm is notoriously low-yielding and susceptible to disease
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Edamame Edamame Bacterial PustuleBacterial Pustule
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• Low Linolenic Fatty Acid (i.e. Vistiva)Low Linolenic Fatty Acid (i.e. Vistiva)
• Low PhytateLow Phytate
• Food-grade Food-grade
• Bioactive compounds Bioactive compounds
• Low Linolenic Fatty Acid (i.e. Vistiva)Low Linolenic Fatty Acid (i.e. Vistiva)
• Low PhytateLow Phytate
• Food-grade Food-grade
• Bioactive compounds Bioactive compounds
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
OutlineOutlineOutlineOutline
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
• Low Linolenic Fatty Acid (i.e. Vistiva)Low Linolenic Fatty Acid (i.e. Vistiva)
• Low PhytateLow Phytate
• Food-grade Food-grade
• Bioactive compoundsBioactive compounds
• Low Linolenic Fatty Acid (i.e. Vistiva)Low Linolenic Fatty Acid (i.e. Vistiva)
• Low PhytateLow Phytate
• Food-grade Food-grade
• Bioactive compoundsBioactive compounds
trend
regional concern
regional niche
expertise
OutlineOutlineOutlineOutline
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Maturity Group 3Maturity Group 3
Maturity Group 4Maturity Group 4
Maturity Group 5Maturity Group 5
Maturity Group 6Maturity Group 6
Currently no low lin varieties later than maturity group 3.
Low lin oil must be below 3% linolenic fatty acid.
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
ObjectivesObjectives
• To develop a maturity group 4 To develop a maturity group 4 low lin soybean variety, that is low lin soybean variety, that is adapted to Virginia and the Mid-adapted to Virginia and the Mid-Atlantic region, with herbicide Atlantic region, with herbicide tolerance.tolerance.
•Promote healthier and more Promote healthier and more valuable soybean oil by valuable soybean oil by elimination of need for elimination of need for hydrogenation.hydrogenation.
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
• Better Bean Initiative Better Bean Initiative
• Source: NC State and USB quality traits testSource: NC State and USB quality traits test
• Adapted germplasm Adapted germplasm
• Environmental influenceEnvironmental influence
• Better Bean Initiative Better Bean Initiative
• Source: NC State and USB quality traits testSource: NC State and USB quality traits test
• Adapted germplasm Adapted germplasm
• Environmental influenceEnvironmental influence
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
• Better Bean InititativeBetter Bean Inititative
• Source: NC State and USB quality traits testSource: NC State and USB quality traits test
• Adapted germplasm Adapted germplasm
• Environmental influence=local adaptationEnvironmental influence=local adaptation
• Better Bean InititativeBetter Bean Inititative
• Source: NC State and USB quality traits testSource: NC State and USB quality traits test
• Adapted germplasm Adapted germplasm
• Environmental influence=local adaptationEnvironmental influence=local adaptation
YearYear MeanMean ARAR KYKY MDMD MOMO MOMO TNTN VAVA
20052005 3.23.2 3.13.1 3.13.1 3.53.5 3.33.3 3.13.1 3.33.3 --
20062006 4.04.0 4.24.2 4.34.3 4.24.2 3.53.5 3.43.4 3.83.8 4.34.3
% Lin for Virginia Tech Variety
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Low Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty AcidLow Linolenic Fatty Acid
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Local adaptationLocal adaptation
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
V98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty AcidYieldYield Average Relative YieldAverage Relative Yield
2006-VA2006-VA 50.550.5 103103
2005-VA2005-VA 46.846.8 109109
2005-KY2005-KY 63.063.0 106106
2003-20042003-2004 49.249.2 Ranking fourth: Ranking fourth: AR, KS, AR, KS,
KY, MD, MO, TN, VAKY, MD, MO, TN, VA
2007: 105%
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
V98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty Acid
Brand VarietyAvg. Rel.
Yield # SitesAvg. Rel.
Yield # SitesUSG 5002T 5.0 112 9 114 6USG 7553nRS 5.5 RR/STS 108 12 110 9Virginia V98-9005 108 15 108 15Virginia V98-2711 107 20 107 15Asgrow AG5605 5.6 RR/STS 106 17 106 12Asgrow AG5905 5.9 RR 106 6 106 6Public Teejay 5.3 107 25 106 15USG 5601T 5.6 106 23 104 15
2004-20062002-2006Herbicide
ResistanceRelative
MG
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
V98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty Acid
• Purple Seed Stain ResistancePurple Seed Stain Resistance• Higher protein: 44.7% dryHigher protein: 44.7% dry• MG VMG V• Not RRNot RR
Release for 2008Release for 2008
V98-9005: 4% Linolenic Fatty AcidV98-9005: 4% Linolenic Fatty Acid
• Purple Seed Stain ResistancePurple Seed Stain Resistance• Higher protein: 44.7% dryHigher protein: 44.7% dry• MG VMG V• Not RRNot RR
Release for 2008Release for 2008
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
V98-9005: V98-9005: 4% Linolenic Fatty Acid4% Linolenic Fatty Acid
Conversion to GAT herbicide tolerance with molecular markers
V98-9005: V98-9005: 4% Linolenic Fatty Acid4% Linolenic Fatty Acid
Conversion to GAT herbicide tolerance with molecular markers
without GAT
with GAT
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
V98-9005: V98-9005: 4% Linolenic Fatty Acid4% Linolenic Fatty Acid V98-9005: V98-9005: 4% Linolenic Fatty Acid4% Linolenic Fatty Acid
V98-9005V98-9005
Low LinLow Lin
Low SaturatedLow Saturated Mid OleicMid Oleic
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Other Low Lin linesOther Low Lin linesOther Low Lin linesOther Low Lin lines
line05-06
yield maturity
05-06
% linolenic RR
V01-1693 47.9 35 3.6 yes
V01-1702 50.3 37 3.9 yes
5601T 43.5 39 6.6
5002T 49.5 34 8.4
2007: 107%
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Early generation materials, non-RR, below 3%Early generation materials, non-RR, below 3%
F1
F2
F3
F4
funded by VDACSfunded by VDACSfunded by VDACSfunded by VDACS
Parental varieties:• Maryland• NC• Missouri
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Linolenic SoybeansLow Linolenic Soybeans
• Eliminate need for hydrogenationEliminate need for hydrogenation
• Regional adaptation for FA content Regional adaptation for FA content
• Release 4% and 3.5%RR varietiesRelease 4% and 3.5%RR varieties
• V98-9005 GAT V98-9005 GAT
• Germplasm for other FA traitsGermplasm for other FA traits
• Using Molecular MarkersUsing Molecular Markers
Low Linolenic SoybeansLow Linolenic Soybeans
• Eliminate need for hydrogenationEliminate need for hydrogenation
• Regional adaptation for FA content Regional adaptation for FA content
• Release 4% and 3.5%RR varietiesRelease 4% and 3.5%RR varieties
• V98-9005 GAT V98-9005 GAT
• Germplasm for other FA traitsGermplasm for other FA traits
• Using Molecular MarkersUsing Molecular Markers
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Phytate SoybeansLow Phytate SoybeansReduce Phytate Reduce Phytate Increase Available P Increase Available P
Reduce Phytase and Supplemental P in Feed Reduce Phytase and Supplemental P in Feed
Reduce P in ManureReduce P in Manure
Low Phytate SoybeansLow Phytate SoybeansReduce Phytate Reduce Phytate Increase Available P Increase Available P
Reduce Phytase and Supplemental P in Feed Reduce Phytase and Supplemental P in Feed
Reduce P in ManureReduce P in Manure
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Phytate SoybeansLow Phytate SoybeansReduce P in ManureReduce P in Manure
Low Phytate SoybeansLow Phytate SoybeansReduce P in ManureReduce P in Manure
ChesapeakeBay watershed
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Phytate SoybeansLow Phytate SoybeansLow Phytate SoybeansLow Phytate Soybeans
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Low Phytate Soybeans - Low Phytate Soybeans - Unique Source!Unique Source!Low Phytate Soybeans - Low Phytate Soybeans - Unique Source!Unique Source!
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
ObjectivesObjectives
• Move the traits into high-Move the traits into high-yielding germplasm in a range of yielding germplasm in a range of maturity groups.maturity groups.
• Characterize traits for Characterize traits for inheritance, germination, feed inheritance, germination, feed qualities, molecular markers, qualities, molecular markers, etc.etc.
In collaboration with the Maroof lab.
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Data from Maroof lab, in publication
Phytate† Total P
(mg g-1) (mg g-1)CX1834-1-6 8.58 ± 0.43 5.46 46 44.9 ± 10.5M766 11.82 ± 0.09 6.57 46 16.0 ± 4.8V99-5089 9.91 ± 0.46 6 46 51.5 ± 3.21Essex 13.07 ± 0.31 4.91 76 86.7 ± 4.1Hutcheson 13.38 ± 0.16 5.8 65 74.0 ± 6.0
Genotypes% of Total P as Phytate-P
2006 Seedling emergence (%)
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Phytate SoybeansLow Phytate SoybeansLow Phytate SoybeansLow Phytate Soybeans
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Phytate SoybeansLow Phytate SoybeansLow Phytate SoybeansLow Phytate Soybeans
Yield 2006Yield 2006
bu/acbu/ac rankrank
TeeJayTeeJay 36.836.8 33
V03-5906V03-5906 23.0923.09 2727
V03-5901V03-5901 25.9125.91 2323
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Low Phytate SoybeansLow Phytate Soybeans
• Reduces nutrient pollution Reduces nutrient pollution
• Unique source of trait at VTUnique source of trait at VT
• Several seasons away from a high-yielding varietySeveral seasons away from a high-yielding variety
• Marker Development Marker Development
Low Phytate SoybeansLow Phytate Soybeans
• Reduces nutrient pollution Reduces nutrient pollution
• Unique source of trait at VTUnique source of trait at VT
• Several seasons away from a high-yielding varietySeveral seasons away from a high-yielding variety
• Marker Development Marker Development
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Food-grade SoybeansFood-grade SoybeansFood-grade SoybeansFood-grade Soybeans
• Small-seeded nattoSmall-seeded natto
• Large-seeded tofuLarge-seeded tofu
• Small-seeded nattoSmall-seeded natto
• Large-seeded tofuLarge-seeded tofu
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Natto small-seeded soybeansNatto small-seeded soybeans
• Local nicheLocal niche
• High premiumsHigh premiums
• Source material within the programSource material within the program
• MFS-591 dominant MFS-591 dominant
• New traits and methods of evaluation and selectionNew traits and methods of evaluation and selection
• MarkersMarkers
Natto small-seeded soybeansNatto small-seeded soybeans
• Local nicheLocal niche
• High premiumsHigh premiums
• Source material within the programSource material within the program
• MFS-591 dominant MFS-591 dominant
• New traits and methods of evaluation and selectionNew traits and methods of evaluation and selection
• MarkersMarkers
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
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Examining new traits Examining new traits
• Water absorptionWater absorption
• Water Loss after steamingWater Loss after steaming
• Rate of water uptakeRate of water uptake
• Seed coat crackingSeed coat cracking
Examining new traits Examining new traits
• Water absorptionWater absorption
• Water Loss after steamingWater Loss after steaming
• Rate of water uptakeRate of water uptake
• Seed coat crackingSeed coat cracking
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Gene vs. Environment Gene vs. Environment
• 7 locations7 locations
• 2 years2 years
• Double Crop vs. Full SeasonDouble Crop vs. Full Season
Gene vs. Environment Gene vs. Environment
• 7 locations7 locations
• 2 years2 years
• Double Crop vs. Full SeasonDouble Crop vs. Full Season
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Large-seeded soybeansLarge-seeded soybeans
• Tofu, soymilk, edamameTofu, soymilk, edamame
• High protein and sucroseHigh protein and sucrose
• Lower yieldingLower yielding
• Organic traits ?Organic traits ?
Large-seeded soybeansLarge-seeded soybeans
• Tofu, soymilk, edamameTofu, soymilk, edamame
• High protein and sucroseHigh protein and sucrose
• Lower yieldingLower yielding
• Organic traits ?Organic traits ?
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Objective: Find new markets for existing linesObjective: Find new markets for existing lines
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Large-seeded soybeansLarge-seeded soybeansLarge-seeded soybeansLarge-seeded soybeans
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
Name Yield Size Protein
V03-2192 51.1 26.6 39.8V02-2675 51.1 24.3 38.9MFL-159 46.3 25.6 40.5Teejay 49.9 17.3 39.0
Average of 25 entries
25.1 44.8 39.4
Name Yield Size Protein Suc
V95-7456 43.1 23.8 41.4 7.1V99-5949 41.8 21.0 41.0 7.5MFL-552 38.2 21.7 41.9 7.0
Hutcheson 42.0 13.9 41.4 6.1Average of 13
entries41.0 22.3 41.2 7.5
20032003
20062006
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Bioactive Compounds in SoybeanBioactive Compounds in Soybean
• Antioxidants prevent damage in the body from free radicalsAntioxidants prevent damage in the body from free radicals
• Isoflavones are a type of antioxidant specific to legumesIsoflavones are a type of antioxidant specific to legumes
• Initial data show difference between varieties in VirginiaInitial data show difference between varieties in Virginia
Bioactive Compounds in SoybeanBioactive Compounds in Soybean
• Antioxidants prevent damage in the body from free radicalsAntioxidants prevent damage in the body from free radicals
• Isoflavones are a type of antioxidant specific to legumesIsoflavones are a type of antioxidant specific to legumes
• Initial data show difference between varieties in VirginiaInitial data show difference between varieties in Virginia
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VT
funded by VDACSfunded by VDACSfunded by VDACSfunded by VDACS
Prevent chronic diseases
Cancer
CHD
Neurological
Antioxidants
Membrane Lipid
DNA
Protein
oxidative stress
Protect cells
O2-, HOO
H2O2, HO
Research in collaboration with Kevin Zhou, Dept
Food Science and Tech.
Research in collaboration with Kevin Zhou, Dept
Food Science and Tech.
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Other Objectives:Other Objectives:
• Yield !!!Yield !!!
• RR2YieldRR2Yield
• Disease ResistanceDisease Resistance
• EarlinessEarliness
• Genetic DiversityGenetic Diversity
Other Objectives:Other Objectives:
• Yield !!!Yield !!!
• RR2YieldRR2Yield
• Disease ResistanceDisease Resistance
• EarlinessEarliness
• Genetic DiversityGenetic Diversity
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSummary
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSummary
• Low Linolenic Low Linolenic
• Low PhytateLow Phytate
• Food-GradeFood-Grade
• Bioactive CompoundsBioactive Compounds
• Low Linolenic Low Linolenic
• Low PhytateLow Phytate
• Food-GradeFood-Grade
• Bioactive CompoundsBioactive Compounds
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSummary - Varieties
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSummary - Varieties
• Low Linolenic Low Linolenic
• Low PhytateLow Phytate
• Food-GradeFood-Grade
• Bioactive CompoundsBioactive Compounds
• Low Linolenic Low Linolenic
• Low PhytateLow Phytate
• Food-GradeFood-Grade
• Bioactive CompoundsBioactive Compounds
1-2 years
5 years out
ongoing
preliminary
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Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSummary - Molecular Markers
Specialty Soybean Breeding @ VTSpecialty Soybean Breeding @ VTSummary - Molecular Markers
• Low Linolenic Low Linolenic
• Low PhytateLow Phytate
• Low Linolenic Low Linolenic
• Low PhytateLow Phytate
could use
in development
Currently using for herbicide tolerance
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STATUS of MARKER-ASSISTED SOYBEAN STATUS of MARKER-ASSISTED SOYBEAN BREEDINGBREEDING
STATUS of MARKER-ASSISTED SOYBEAN STATUS of MARKER-ASSISTED SOYBEAN BREEDINGBREEDING
• Cultivars releasedCultivars released• Public (4)Public (4)• Industry (many)Industry (many)
• SSR markersSSR markers• Public (common use)Public (common use)• Industry (common use)Industry (common use)
• SNP markers SNP markers • Public (initial use)Public (initial use)• Industry (common use)Industry (common use)
• Cultivars releasedCultivars released• Public (4)Public (4)• Industry (many)Industry (many)
• SSR markersSSR markers• Public (common use)Public (common use)• Industry (common use)Industry (common use)
• SNP markers SNP markers • Public (initial use)Public (initial use)• Industry (common use)Industry (common use)
$0.00
$0.50
$1.00
$1.50
$2.00
1993
1996
1999
2002
2005
cost /datum
CURRENT SITUATION
SSR
SNP
SSR
SSR
RFLP
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Figure 1. Schematic of the Haplotype Effort
Identify additional SNPsin gene or QTL containing
regions
Haplotype QTL containingregions in known sources
of positive allele
Confirm QTL regions Study allelic diversity
Fine map QTL regions (when possible)
Haplotype all known germplasm that is positive for the trait
Make crosses with sourcesthat have a high potential
for having new alleles
Conduct genetic mappingin the sources with
potentially novel alleles
Identify sources of novel alleles, initiate breeding for QTL
Build genotyping kits; deliver through the SBT ®ional genotyping centers
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AcknowledgementsAcknowledgementsAcknowledgementsAcknowledgements
EVARECEVAREC Virginia TechVirginia Tech FundingFunding
Lin BarrackLin Barrack Glenn BussGlenn Buss United Soybean Board United Soybean Board
Virginia Soybean BoardVirginia Soybean BoardMary BeahmMary Beahm David CookDavid Cook
Raymond CorbinRaymond Corbin Laura MaupinLaura Maupin VDACS Specialty VDACS Specialty
Agriculture Research GrantAgriculture Research GrantJim DavisJim Davis Tom PridgenTom Pridgen
‘‘Scooter’ DunawayScooter’ Dunaway Dr. M.A. Saghai-Maroof and labDr. M.A. Saghai-Maroof and lab
Bob PitmanBob Pitman Dr. David HolshouserDr. David Holshouser
Mark VaughnMark Vaughn