GEM IT Report and Yield Test Results
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GEM IT Report and Yield Test Results
M. ShenUSDA-ARS NCRPIS GEM
- December 9, 2009 -
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GEM-Ames Website
Updated GEM cooperator’s list, GEM reports, presentations, and GEM dataCorn Images for GEM Released Lines (in PDF format):
50 images as a totalYear 2005, 2006, 2007, 2008, and 2009
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Corn Images of Recommended Lines
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(Dec. 08 to Nov. 09)
Usage: germplasm information, GEM data, and information about GEM project, etc.Search engine: Google 14 – 36% each monthKey words: gem and maizeVisitors: 184/month (similar to last year)Re-visitors: 49% (up from 40% last year)Top 10 countries with most visitors (in descending order):
US, China, India, Canada, Italy, Mexico, UK, France, Ireland, & GermanyTop 10 states/regions with most visitors (in descending order):
IA, CA, MO, NC, IL, Beijing (China), MD, IN, NY, & TXCities with most visitors in the top 10 states/regions
Ames, Sunnyvale, St. Louis, Raleigh, Urbana, Beijing, Beltsville, Indianapolis, Ithaca, & Lubbock
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Usage of GEM-Ames website
World Map of Cumulative Traffic
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ManagementHandout: GEM 2009 data summaries and reportsGEM CD contains
Allelic diversity dataAnnual reportDisease data from cooperatorsGermplasm releases and key traitsLab data reportsPublic cooperators’ reportsYield trial data
GEM information – www.public.iastate.edu/~usda-gem
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GEM-Ames trial summary - 2009
The date of the first data set received1 day later than that last year (Oct. 21)
The date of the last data set received1 day later than that last year (Dec. 3)Overall 2 weeks later than last year because of the weather and late maturityStill completed analyses for the meeting
Thanks to the companies who sent the data before requesting
Wyffels, and PANNAR
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GEM-Ames trial summary - 2009
Experiments: 42Replicated at 4 to 8 locationsPlots: 14,100GEM cooperators’ portion: 52% (up from 49% last year)GEM portion: 48%
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GEM-Ames trial summary - 2009
There are 132 GEM topcrosses that out-performed the yield of check means (out of 2658 entries of topcrosses)The range of CV’s for yield was from 7.6 to 17.5% (a little down from last year 8-18%) and the mean of the CV’s is 11.5 (down from last year 13.4)Yield trial data - high lodging data this year
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GEM-Ames trial summary - 2009
Total Numbers of Yield Trial Experiments Each Year
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GEM-Ames trial summary - 2009
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Data Analysis - 2009
Improvement of data format to deliver as much information as our cooperators neededBased on recommendations by the TSG:
The percentage of entry mean yield over the check meanVariance of each entry
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Data Analysis - 2009
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Conducted Yield Trial In-Kind Support (2009)
AgReliant Genetics, LLCBASF Plant Science Breeding LLCBeck’s Superior Hybrids, Inc.Hoegemeyer Hybrids, Inc.Illinois Foundation Seeds, Inc. Monsanto CompanyMycogen Seeds
National StarchPANNAR SeedSchillinger SeedsSEEDirectSyngenta Seeds, Inc.Wyffels Hybrids
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Conducted Nursery In-Kind Support (2009)
Nursery (selection and generation advance):AgReliant, APEX-AGRI, BASF, Beck’s, Brandy Wine Seed Farms LLC, Forage Genetics, G&S Crop Services, GDU, Genetic Enterprises Int’l, Hoegemeyer, IFSI, Mayo Agro, Monsanto, Mycogen, National Starch, Schillinger, Semillas Tuniche, Syngenta, Targeted Growth, Terrell Seed, and Wyffels
Isolation blocks:AgReliant, BASF, Beck’s, Hyland, IFSI, JFS, MBS, Mycogen, PANNAR, and Syngenta
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Conducted Other In-Kind Support (2009)
BC observations/evaluation:AgReliant, APEX-AGRI, G&S Crop Services, Mycogen, and Seed Asia Co Ltd.
Conversions (waxy):National Starch
Disease and/or insect screening:Pioneer, and Professional Seed Research, Seed Asia Co. Ltd.
Allelic diversity or DH nursery (summer and winter):
AgiWise, AgReliant, Monsanto, Pioneer, Syngenta
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Next PresentationG
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Data Format ImprovementG
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GEM-Ames year trial summary
1st yr 2nd yrtrial trial Total
No. entries beat all checks 11 2 13No. entries beat check means 113 19 132No. entries beat at least 1 check 687 197 884
Total entries: 2682
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081st yr 2nd yrtrial trial Total
No. entries beat all checks 7 0 7No. entries beat check means 98 6 104No. entries beat at least 1 check 687 197 884
Total entries: 2682