GEM IT Report

Mack Shen

USDA-ARS NCRPIS GEM

- December 10, 2014 -

Information request form (our database -> raw data)

Plant and harvest dates

Location: county, state

Plot size (width x length – button-to-button)

Desired stand count

Plot condition (optional, but preferred)

EXPT EntryPedigree Plot Rep WT YieldMOISTTWT PLTHT EARHTSTAND SKLDG RTLDG DEARS

GEM-Ames trial summary

19961997199819992000200120022003200420052006200720082009201020112012201320140

2000

4000

6000

8000

10000

12000

14000

16000

18000

20000

Total yield trial plots by year

GEM-Ames trial summary

19961997

19981999

20002001

20022003

20042005

20062007

20082009

20102011

20122013

20140.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

The Percentage of plots by GEM & COOPs

GEM COOP

GEM-Ames trial summary

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 20140

10

20

30

40

50

60

f(x) = 1.95789473684211 x − 3890.73684210526

The numbers of yield trials each year

Year

# E

xp

eri

me

nt

GEM-Ames trial summary

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 20140.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

f(x) = 3.18608433025197 exp( 0.117697526292115 x )

Percentage of entries out-performed check mean by year

GEM-Ames trial summary - 2014

Summary by experiment for “quick view” on page 6 of the yield trial section

GEM-Ames trial summary - 2014

Experiments: 48

Replicated at 5 to 8 locations

Plots: 15,370

The number of total reps lost due to weather: 19 (6.8%)

The number of complete experiments lost: 0

1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 20140

5

10

15

20

25

30

35

40

45

The Number of Reps Lost Each Year

GEM-Ames trial summary - 2014

There are 202 top crosses that out-performed the mean yield of 5 checks (8.0% of 2530 entries of the total top crosses)

Of these 202 GEM top crosses, 142 were from the first year tests and 60 from the second year tests

The range of CV’s for yield was from 7.1 to 14.4% (11.1-23.1% last year ) and the mean of the CV’s is 10.0% (last year 15.2%)

GEM-Ames trial summary

The deviation of CV means since year 2005

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

-3.00

-2.00

-1.00

0.00

1.00

2.00

3.00

Special Thanks to the Companies Conducted Yield Trial In-Kind Support

(2014)

AgReliant Genetics, LLC

Beck’s Superior Hybrids, Inc.

CRD Advisors, LLC

Dow AgroSciences

Forage Genetics

Illinois Foundation Seeds, Inc.

Ingredion

KMR Inc.

Monsanto Company

SEEDirect

Syngenta Seeds, Inc.

Wyffels Hybrids

Yr 00 Yr 01 Yr 02 Yr 03 Yr 04 Yr 05 Yr 06 Yr 07 Yr 08 Yr 09 Yr 10 Yr 11 Yr 12 Yr 13

40

45

50

55

60

65

70

75

Attendants of GEM Annual Meeting

The End