Germplasm Enhancement of Maize

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GEM - 2005 Public Cooperator's Report

NOTE: The information in this report is shared cooperatively. The data are not published, but are presented with the understanding that they will not be used in publications without specific consent of the public cooperator.

 

Inbred Line Development and Hybrid Evaluation in GEM Breeding Crosses

James A. Hawk and Tecle Weldekidan

Department of Plant and Soil Sciences

University of Delaware

Objectives:

Identify GEM breeding crosses and lines with desirable agronomic characteristics, resistance to abiotic and biotic stresses, and high, consistent yield performance.

Materials and Methods:

Ninety-six GEM breeding crosses were evaluated for adaptability, maturity, flowering synchrony, standability, plant and ear height, pest resistance, stay green, grain quality, and drydown. Inbreeding was also initiated on three new Stiff Stalk and two non-Stiff Stalk GEM breeding crosses. Three to four hundred plants per population were selfed. S1 ears were harvested from selected plants based on agronomic traits, disease and European corn borer (ECB) resistance. The major diseases were gray leaf spot and anthracnose stalk rot. One thousand one hundred twenty-seven S1 families, derived from eleven Stiff Stalk and two non-Stiff Stalk GEM breeding crosses, were self-pollinated. Three hundred twenty S1 families from the conventional mass selection and 500 S1 families from the GEM protocol method were self-pollinated representing two breeding crosses (one Stiff Stalk and one non-Stiff Stalk).  We planted 152 S2 Stiff Stalk and 168 S2 non-Stiff Stalk lines from the single seed descent (SSD) breeding methodology to evaluate agronomic performance of open pollinated ears per se. Yield tests were conducted on 215 Stiff Stalk lines crossed to LH287 and 249 non-Stiff Stalk lines crossed to a Pioneer Stiff Stalk tester at three irrigated locations in Delaware (two reps/location), one location (one rep) at Ames, Iowa and one location (one rep) at Mount Vernon/Fort Branch, Indiana. The lines were also advanced and evaluated per se for agronomic performance.

Results:

A joint project to evaluate GEM breeding crosses was conducted by the University of Delaware, USDA-GEM at Ames, and Mycogen Seeds at Mount Vernon, IN.  Results and recommendations will be presented jointly by the three cooperators at the December TSG GEM meeting.  We gave higher ratings for ANTIG03:N1216, BR105:S1612, CUBA110:N1711c, CUBA164:S2008d, DKB830:N11b20, GUAT209:N11c41, NE19004:S2817b, NE19004:S2817c, and UR110022:S1409 based on per se rating performance. We also suggest AR13035:S11b, CUBA164:S99f, and DKXL212:S11b for making additional 75% breeding crosses.  Based on per se evaluations for plant height, ear placement, stalk and root strength, ear traits, maturity, disease and ECB resistance, 212 S1 selections were made from three Stiff Stalk and 90 S1 from two non-Stiff Stalk breeding crosses (Table 1).

We selected S2 lines using three different breeding methods in the FS8A(T):N1804 breeding cross.  Fifty-nine S2 lines representing 48 S1 families were selected using the conventional mass selection method, and 59 S2 lines were selected using the GEM protocol. Forty-seven S2 lines were selected out of 168 SSD S2 lines evaluated per se for agronomic and disease/pest resistance. We were not able to select enough lines from the breeding cross AR16026:S1716 to compare the methods due to herbicide damage. 

Four hundred sixty-four S2 ears were selected from 373 of the 930 Stiff Stalk S1 families evaluated and 102 S2 ears from 92 of the 197 non-Stiff Stalk S1 families (Table 2). A higher percentage of selections were made from the following breeding crosses: BR52051:S1711b, DKXL212:S0943b, and DK888:N11a17.

Yield test results are listed in (Tables 3-14). DKXL212:S0912 derived lines have good yield potential and high yield over moisture values with some entries comparable to the commercial checks. The top 10-20% lines will be advanced. S3 lines from selected breeding crosses will be testcrossed on two testers and hybrid evaluations will be conducted at more locations in summer 2006. 

Publications:

 

Hawk, J.A., Weldekidan, T., and Frey, T.J. 2005. Experience using GEM germplasm in a public breeding program. 60th NE Corn Improvement Conference (NEC-29), Feb. 10-11, 2005. Penn State University, University Park, PA.

Hawk, J.A., and T. Weldekidan.  2005.  Registration of DE3, DE4, and DE5 parental inbred lines of maize.  Crop Sci.  45:2669-2670.

Acknowledgements: We thank the USDA-GEM Project at Iowa State and Mycogen Seed for collaboration in conducting yield trials and Holdens Foundation Seeds, Inc. and Pioneer Hi-Bred Int. Inc. for making testcrosses.

 

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Table 1. Number of S1 Ears Selected from GEM Breeding Crosses

Pedigree

No of Rows Grown

S1 Ears Saved

AR16021:S0908c

40

76

DKB830:S11a18

40

52

DKXL212:S09/LH132.DE5

40

84

FS8B(T):N11a14

40

48

GUAD05:N0613

40

42

 

Table 2. Number of S2 Lines Selected from GEM S1 Families

Pedigree

S1 Lines Grown

S2 Lines
Selected

No of S1 Families Represented (%) 

Comment

AR16035:S0209

  80

  43

35 (43.8%)

Susceptible to leaf disease

AR17056:S1217

  75

  33

28 (37.3%)

Susceptible to leaf disease

BR52051:S1711b

  67

  41

34 (50.7%)

Less disease

DKB830:S11a18

106

  54

43 (40.6%)

Less disease

DKB844:S1612

  66

  29

28 (42.4%)

Good disease resistance to leaf disease

DKXL212:S0943b

141

140

100 (70.9%)

Less disease

GUAT209:S1308d

  83

  25

20 (24.1%)

Good disease resistance

UR05071:S0409

  81

  44

34 (42.0%)

Susceptible some dead

CUBA164:T26aS41/DE5.LH132

108

  24

23 (21.3%)

Very susceptible

CUBA164:T26bS41/DE5.LH132

  66

   5

  5 (7.6%)

Susceptible

CML325:S18

57

26

23 (40.4%)

Less disease

Total

930

464

373

 

BR52051:N0417

95

26

31 (32.6%)

Healthy family

DK888:N11a17

102

76

61 (59.8%)

Healthy family in general

Total

197

102

92

 

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Table 3. Pooled Yield & Agronomic Performance of DKXL212:S0912 Lines Crossed to LH287

Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN - 2005 (Test 05-008)

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

49

Pioneer 33N09

204.4

23.2

9.0

59.2

29062.5

3.6

0.0

259.0

107.0

20

DKXL212:S0912)-15-4xLH287

193.6

21.8

9.2

58.8

29500.0

4.0

0.0

259.0

122.0

12

DKXL212:S0912)-11-1xLH287

192.8

22.1

9.2

57.4

28375.0

5.9

0.0

259.0

122.0

34

DKXL212:S0912)-31-1xLH287

191.9

22.8

8.8

57.7

28500.0

8.8

1.0

259.0

122.0

19

DKXL212:S0912)-15-3xLH287

190.3

23.4

8.4

58.6

28875.0

2.2

0.0

244.0

107.0

18

DKXL212:S0912)-15-2xLH287

189.9

23.3

8.4

57.8

28625.0

7.1

0.3

244.0

122.0

21

DKXL212:S0912)-17-1xLH287

189.8

22.8

8.6

58.1

29500.0

2.6

0.0

259.0

122.0

15

DKXL212:S0912)-14-1xLH287

188.4

22.5

8.6

58.6

29375.0

3.3

0.7

244.0

137.0

6

DKXL212:S0912)-3-3xLH287

185.3

21.7

8.7

57.9

29000.0

5.0

0.5

259.0

107.0

5

DKXL212:S0912)-3-1xLH287

183.8

22.8

8.2

54.9

27937.5

4.1

0.0

244.0

137.0

29

DKXL212:S0912)-29-2xLH287

181.7

23.0

8.1

57.4

29375.0

5.2

2.4

259.0

122.0

45

DKXL212:S0912)-50-2xLH287

181.1

21.6

8.6

56.7

30375.0

8.8

0.4

274.0

122.0

46

DKXL212:S0912)-52-1xLH287

178.8

21.9

8.3

58.7

28250.0

3.6

0.5

259.0

122.0

10

DKXL212:S0912)-9-1xLH287

178.3

22.2

8.3

57.2

28312.5

6.1

1.3

244.0

107.0

37

DKXL212:S0912)-34-1xLH287

177.5

24.6

7.5

56.6

29125.0

11.3

0.2

244.0

137.0

17

DKXL212:S0912)-15-1xLH287

176.8

23.1

8.1

58.4

29125.0

1.7

0.5

244.0

107.0

33

DKXL212:S0912)-30-3xLH287

176.4

22.4

8.3

56.8

28500.0

3.0

0.0

259.0

137.0

7

DKXL212:S0912)-3-4xLH287

175.1

22.7

7.9

58.3

28812.5

4.5

0.0

244.0

107.0

38

DKXL212:S0912)-35-1xLH287

174.5

22.6

8.0

57.7

28312.5

14.2

1.8

259.0

122.0

22

DKXL212:S0912)-19-1xLH287

174.0

22.7

7.9

59.2

29125.0

0.3

0.0

244.0

122.0

16

DKXL212:S0912)-14-2xLH287

172.4

22.7

7.6

58.4

28562.5

6.3

0.0

259.0

107.0

26

DKXL212:S0912)-23-1xLH287

172.2

21.5

8.2

58.3

28750.0

18.1

0.0

259.0

122.0

8

DKXL212:S0912)-7-2xLH287

171.6

23.5

7.4

56.2

28625.0

13.5

1.0

259.0

137.0

31

DKXL212:S0912)-30-1xLH287

171.4

24.5

7.4

58.7

29977.7

0.7

1.2

244.0

122.0

30

DKXL212:S0912)-29-4xLH287

171.1

23.6

7.6

57.9

28937.5

1.6

0.0

244.0

122.0

47

DKXL212:S0912)-54-1xLH287

170.9

23.1

7.6

57.5

28500.0

6.1

0.8

259.0

107.0

32

DKXL212:S0912)-30-2xLH287

170.8

24.7

7.2

55.7

27625.0

0.5

0.0

244.0

122.0

23

DKXL212:S0912)-20-2xLH287

170.5

22.1

7.9

59.0

28375.0

3.8

0.0

244.0

122.0

27

DKXL212:S0912)-25-2xLH287

170.4

23.5

7.6

57.2

28937.5

5.0

0.3

244.0

107.0

50

Pioneer 33B51

169.8

23.0

7.6

58.4

28250.0

3.4

0.3

244.0

122.0

13

DKXL212:S0912)-13-1xLH287

169.3

23.2

7.5

58.7

28562.5

5.2

0.0

259.0

122.0

48

Pioneer 34M94

169.2

20.5

8.5

59.1

28312.5

5.3

0.0

259.0

107.0

42

DKXL212:S0912)-48-1xLH287

167.8

23.2

7.4

56.6

28620.5

10.3

0.6

244.0

122.0

28

DKXL212:S0912)-28-1xLH287

165.7

23.1

7.3

59.1

28625.0

1.2

0.0

244.0

122.0

36

DKXL212:S0912)-33-1xLH287

165.5

21.6

7.9

61.1

27375.0

3.6

0.0

259.0

122.0

11

DKXL212:S0912)-10-1xLH287

164.5

22.6

7.5

58.3

29062.5

6.3

0.5

229.0

107.0

9

DKXL212:S0912)-8-2xLH287

163.8

23.5

7.3

55.8

28937.5

9.0

0.3

259.0

107.0

4

DKXL212:S0912)-2-1xLH287

163.6

23.6

7.1

55.5

29062.5

3.3

0.2

259.0

122.0

43

DKXL212:S0912)-49-1xLH287

163.3

24.2

6.9

56.2

29437.5

2.2

1.9

259.0

122.0

35

DKXL212:S0912)-31-2xLH287

161.3

24.2

6.9

57.1

29125.0

0.5

0.0

274.0

137.0

39

DKXL212:S0912)-41-2xLH287

161.3

24.5

6.8

55.9

26437.5

5.1

0.5

259.0

152.0

44

DKXL212:S0912)-50-1xLH287

160.5

24.4

6.8

56.8

27812.5

5.5

1.3

244.0

107.0

14

DKXL212:S0912)-13-2xLH287

160.4

23.3

7.2

57.4

29000.0

1.2

0.0

229.0

107.0

25

DKXL212:S0912)-20-4xLH287

157.9

22.5

7.2

57.5

28937.5

2.8

0.0

244.0

107.0

40

DKXL212:S0912)-41-3xLH287

157.4

23.6

6.9

58.6

28187.5

7.1

0.2

244.0

107.0

24

DKXL212:S0912)-20-3xLH287

149.3

22.5

6.8

59.2

28500.0

3.7

0.0

244.0

122.0

1

DKXL212:S0912)-1-1xLH287

144.1

21.9

6.8

56.5

28312.5

6.0

0.7

244.0

107.0

2

DKXL212:S0912)-1-2xLH287

141.1

22.8

6.4

57.2

24062.5

2.6

0.0

244.0

107.0

41

DKXL212:S0912)-42-1xLH287

134.3

20.8

6.5

55.6

27437.5

18.0

0.0

259.0

122.0

3

DKXL212:S0912)-1-3xLH287

132.3

22.8

6.0

59.5

27687.5

3.8

0.0

229.0

91.0

 

 

 

 

 

 

 

 

 

 

 

 

CHECK MEAN

181.1

22.2

8.4

58.9

28541.7

4.1

0.1

254.0

112.0

 

CV

11.5

6.2

12.9

2.2

5.2

118.6

309.3

4.0

9.7

 

GRAND MEAN

170.9

22.9

7.7

57.7

28562.0

5.3

0.4

250.9

118.4

 

LSD

19.3

1.4

1.0

2.6

1447.2

6.7

1.3

0.0

0.0

 

No. of Reps

8.0

8.0

8.0

2.0

8.0

7.0

7.0

1.0

1.0

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Table 4. Pooled Yield & Agronomic Performance of DKXL212:S0912 Lines Crossed to LH287

 

Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN - 2005 (Test 05-009)

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

44

DKXL212:S0912)-102-2xLH287

198.6

21.1

9.5

59.0

28375.0

6.9

0.0

244.0

91.0

16

DKXL212:S0912)-76-1xLH287

195.9

20.7

9.5

56.8

29000.0

4.8

0.0

244.0

122.0

49

Pioneer 33N09

194.3

21.0

9.3

62.0

28062.5

3.6

0.0

259.0

122.0

2

DKXL212:S0912)-57-1xLH287

193.1

20.9

9.4

57.2

29125.0

3.6

0.5

259.0

137.0

30

DKXL212:S0912)-87-1xLH287

192.0

18.5

10.5

55.5

28750.0

8.8

0.0

259.0

107.0

43

DKXL212:S0912)-96-2xLH287

191.6

20.0

9.6

56.8

29750.0

4.7

1.6

259.0

107.0

32

DKXL212:S0912)-87-4xLH287

186.9

20.9

9.1

57.8

28812.5

11.8

1.2

244.0

107.0

5

DKXL212:S0912)-60-1xLH287

183.2

19.5

9.4

55.6

29437.5

5.1

0.5

244.0

122.0

17

DKXL212:S0912)-77-1xLH287

182.0

20.8

8.8

56.2

28812.5

1.9

1.0

274.0

137.0

35

DKXL212:S0912)-90-1xLH287

182.0

20.8

8.8

56.6

29312.5

8.6

0.5

259.0

122.0

50

Pioneer 33B51

181.9

20.8

8.8

58.5

29187.5

3.4

0.2

229.0

122.0

34

DKXL212:S0912)-89-2xLH287

181.7

21.8

8.4

55.7

29562.5

6.8

0.0

259.0

122.0

22

DKXL212:S0912)-81-1xLH287

181.3

20.5

8.9

56.5

28812.5

4.3

0.0

259.0

122.0

26

DKXL212:S0912)-83-3xLH287

180.6

20.1

9.1

58.5

28875.0

5.7

1.5

259.0

122.0

42

DKXL212:S0912)-96-1xLH287

180.4

20.2

9.0

57.2

29602.9

4.9

1.1

274.0

137.0

13

DKXL212:S0912)-71-2xLH287

179.7

20.4

8.9

58.9

29062.5

5.0

0.0

244.0

107.0

6

DKXL212:S0912)-60-2xLH287

179.5

19.7

9.2

56.0

28875.0

5.7

0.3

244.0

107.0

38

DKXL212:S0912)-92-1xLH287

179.4

20.1

9.3

53.0

28437.5

5.5

0.0

259.0

122.0

7

DKXL212:S0912)-65-1xLH287

178.9

20.6

8.8

57.9

29875.0

5.3

0.2

274.0

122.0

15

DKXL212:S0912)-74-1xLH287

178.7

20.2

9.0

57.2

29000.0

3.5

0.5

259.0

137.0

12

DKXL212:S0912)-70-1xLH287

177.6

19.0

9.5

59.5

29562.5

3.6

0.0

244.0

91.0

21

DKXL212:S0912)-80-3xLH287

177.3

19.1

9.3

58.2

29062.5

4.6

0.5

274.0

137.0

11

DKXL212:S0912)-69-1xLH287

176.6

20.6

8.7

57.4

29062.5

4.3

0.2

259.0

107.0

1

DKXL212:S0912)-54-2xLH287

175.5

20.1

8.9

55.3

29000.0

8.1

0.2

259.0

122.0

18

DKXL212:S0912)-78-1xLH287

174.7

20.1

8.9

56.2

26674.3

1.5

0.0

259.0

122.0

25

DKXL212:S0912)-83-2xLH287

173.4

20.2

8.7

57.8

28562.5

4.1

1.5

274.0

137.0

28

DKXL212:S0912)-85-1xLH287

172.0

19.7

8.7

57.9

28687.5

5.8

1.0

259.0

107.0

8

DKXL212:S0912)-68-1xLH287

171.5

18.9

9.2

57.1

29000.0

7.1

1.8

244.0

122.0

27

DKXL212:S0912)-84-1xLH287

171.4

20.9

8.2

58.0

28000.0

1.9

0.2

274.0

137.0

24

DKXL212:S0912)-82-2xLH287

171.3

19.6

8.9

57.4

29187.5

7.2

0.5

259.0

137.0

4

DKXL212:S0912)-58-2xLH287

170.7

19.0

9.0

58.6

28312.5

9.2

0.0

259.0

122.0

47

DKXL212:S0912)-107-1xLH287

169.3

20.6

8.3

58.3

30312.5

3.3

0.5

259.0

122.0

48

Pioneer 34M94

167.7

18.2

9.3

60.0

28875.0

9.9

0.8

259.0

137.0

31

DKXL212:S0912)-87-2xLH287

167.5

19.9

8.4

59.0

29062.5

6.7

0.0

244.0

107.0

19

DKXL212:S0912)-78-2xLH287

166.8

20.8

8.1

57.8

28750.0

1.5

0.2

244.0

122.0

41

DKXL212:S0912)-94-2xLH287

166.8

20.4

8.2

59.7

29125.0

2.6

0.0

244.0

122.0

3

DKXL212:S0912)-58-1xLH287

165.5

19.1

8.9

55.9

27875.0

9.0

2.5

229.0

107.0

14

DKXL212:S0912)-72-1xLH287

165.1

18.4

9.0

58.8

28812.5

6.9

0.5

259.0

122.0

45

DKXL212:S0912)-103-1xLH287

165.0

19.1

8.7

58.0

28375.0

4.1

1.3

244.0

122.0

23

DKXL212:S0912)-81-2xLH287

163.7

19.7

8.3

58.5

28375.0

10.2

0.5

259.0

122.0

20

DKXL212:S0912)-80-1xLH287

163.6

20.6

8.1

56.9

29375.0

4.2

0.3

244.0

122.0

37

DKXL212:S0912)-91-3xLH287

162.4

20.8

7.9

58.0

28812.5

4.1

0.2

274.0

137.0

10

DKXL212:S0912)-68-3xLH287

160.1

19.8

8.1

58.0

28375.0

13.9

0.2

259.0

122.0

36

DKXL212:S0912)-91-1xLH287

160.0

20.4

8.0

58.3

28562.5

2.7

0.0

244.0

91.0

29

DKXL212:S0912)-85-2xLH287

159.6

19.9

8.1

57.6

30000.0

6.7

0.0

259.0

122.0

9

DKXL212:S0912)-68-2xLH287

159.1

19.5

8.2

59.5

28562.5

7.2

0.0

259.0

122.0

39

DKXL212:S0912)-93-1xLH287

156.7

19.9

7.9

58.8

29500.0

5.1

0.3

213.0

107.0

40

DKXL212:S0912)-94-1xLH287

152.4

19.8

7.7

59.3

29062.5

2.0

0.0

229.0

91.0

46

DKXL212:S0912)-106-2xLH287

144.7

23.7

6.2

56.1

28562.5

2.7

0.5

244.0

122.0

33

DKXL212:S0912)-89-1xLH287

141.4

21.3

6.8

56.4

28500.0

10.7

0.0

259.0

107.0

 

 

 

 

 

 

 

 

 

 

 

 

CHECK MEAN

181.3

20.0

9.1

60.1

28708.3

5.6

0.3

249.0

0.0

 

CV

10.7

6.5

13.2

2.9

4.2

137.9

328.9

5.1

10.7

 

GRAND MEAN

173.4

20.1

8.7

57.6

28894.3

5.6

0.5

253.9

119.2

 

LSD

18.2

1.3

1.1

3.4

1193.3

8.1

1.6

0.0

0.0

 

No. of Reps

8.0

8.0

8.0

2.0

8.0

7.0

7.0

1.0

1.0

Back to Top

Table 5. Pooled Yield & Agronomic Performance of DKXL212:S0912 Lines Crossed to LH287

 

Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN - 2005 (Test 05-010)

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

49

Pioneer 33N09

200.6

21.8

9.3

60.9

28625.0

4.0

0.0

274.0

122.0

33

DKXL212:S0912)-147-1xLH287

192.6

21.7

8.9

55.7

28187.5

6.9

0.2

274.0

122.0

34

DKXL212:S0912)-148-1xLH287

191.3

21.3

9.0

56.3

28687.5

6.5

0.0

259.0

137.0

28

DKXL212:S0912)-142-1xLH287

186.0

21.6

8.7

58.4

28875.0

1.9

0.2

274.0

107.0

50

Pioneer 33B51

185.5

21.4

8.7

58.4

28062.5

3.5

0.0

229.0

91.0

31

DKXL212:S0912)-144-1xLH287

184.6

19.9

9.3

55.3

29062.5

7.9

0.5

259.0

107.0

44

DKXL212:S0912)-164-1xLH287

180.8

19.7

9.2

59.9

29125.0

8.7

0.2

244.0

122.0

4

DKXL212:S0912)-113-1xLH287

180.1

21.5

8.4

57.4

29812.5

3.5

0.5

244.0

107.0

43

DKXL212:S0912)-158-1xLH287

180.1

20.2

8.9

54.6

28750.0

6.4

0.8

274.0

107.0

12

DKXL212:S0912)-123-2xLH287

179.5

20.8

8.6

57.9

28625.0

2.7

0.3

244.0

107.0

48

Pioneer 34M94

177.7

18.8

9.5

59.5

28187.5

2.1

0.0

259.0

107.0

11

DKXL212:S0912)-123-1xLH287

177.6

18.9

9.4

60.3

29437.5

2.4

0.5

259.0

107.0

30

DKXL212:S0912)-143-2xLH287

177.6

18.5

9.6

55.7

28812.5

15.8

0.3

259.0

137.0

39

DKXL212:S0912)-152-1xLH287

176.7

19.6

9.1

56.5

29250.0

4.0

0.5

244.0

122.0

24

DKXL212:S0912)-140-2xLH287

176.5

19.8

8.9

59.7

29456.7

1.9

0.0

259.0

122.0

17

DKXL212:S0912)-126-2xLH287

176.0

19.7

9.0

57.9

28875.0

5.7

0.0

244.0

107.0

18

DKXL212:S0912)-130-2xLH287

175.8

19.1

9.3

58.2

26250.0

6.8

0.0

244.0

107.0

13

DKXL212:S0912)-123-3xLH287

174.6

20.7

8.5

58.9

28687.5

3.6

0.0

244.0

107.0

23

DKXL212:S0912)-137-1xLH287

174.3

20.6

8.6

60.3

29625.0

0.2

0.0

244.0

107.0

36

DKXL212:S0912)-151-1xLH287

174.3

19.8

8.8

59.2

28125.0

8.2

0.0

244.0

107.0

14

DKXL212:S0912)-125-1xLH287

174.1

19.9

8.8

57.2

27750.0

6.4

0.0

259.0

122.0

16

DKXL212:S0912)-126-1xLH287

173.7

19.2

9.1

57.5

29000.0

9.1

0.7

274.0

122.0

41

DKXL212:S0912)-157-1xLH287

173.6

19.9

8.8

58.0

29375.0

4.4

0.0

259.0

122.0

2

DKXL212:S0912)-108-2xLH287

173.5

19.7

8.9

58.1

28375.0

0.8

0.0

259.0

107.0

3

DKXL212:S0912)-110-1xLH287

173.4

21.5

8.2

57.3

29000.0

4.5

0.8

259.0

122.0

5

DKXL212:S0912)-114-1xLH287

173.4

19.5

8.9

57.8

29562.5

9.4

0.7

259.0

137.0

29

DKXL212:S0912)-143-1xLH287

173.2

19.9

8.7

59.0

28625.0

6.0

0.5

259.0

122.0

6

DKXL212:S0912)-118-2xLH287

173.1

20.2

8.6

58.3

28125.0

5.7

0.2

274.0

122.0

37

DKXL212:S0912)-151-2xLH287

172.5

22.4

7.8

52.4

28812.5

1.2

0.0

274.0

122.0

1

DKXL212:S0912)-108-1xLH287

171.2

19.8

8.6

56.3

28750.0

5.7

0.0

244.0

107.0

26

DKXL212:S0912)-141-1xLH287

170.1

20.1

8.5

58.2

28500.0

5.4

0.0

244.0

107.0

25

DKXL212:S0912)-140-3xLH287

169.3

21.2

8.0

58.1

29312.5

2.9

0.2

244.0

107.0

46

DKXL212:S0912)-166-2xLH287

169.2

20.3

8.4

57.5

28250.0

3.0

0.0

244.0

122.0

21

DKXL212:S0912)-135-1xLH287

168.9

21.2

8.0

58.5

28812.5

1.5

0.2

259.0

107.0

47

DKXL212:S0912)-166-3xLH287

167.8

22.2

7.7

54.8

28937.5

2.7

0.0

244.0

107.0

27

DKXL212:S0912)-141-2xLH287

166.5

18.9

8.9

59.5

29456.7

7.1

0.6

229.0

107.0

22

DKXL212:S0912)-136-1xLH287

165.7

22.1

7.6

57.5

29187.5

0.7

0.0

259.0

122.0

15

DKXL212:S0912)-125-2xLH287

165.3

19.0

8.8

57.5

28750.0

14.5

0.5

259.0

91.0

40

DKXL212:S0912)-153-3xLH287

164.8

16.7

9.9

57.1

27385.2

7.0

0.0

259.0

91.0

38

DKXL212:S0912)-151-3xLH287

161.0

20.3

8.0

59.2

28527.6

6.5

0.0

244.0

107.0

10

DKXL212:S0912)-120-1xLH287

160.8

22.9

7.1

56.5

28000.0

8.3

1.8

274.0

122.0

7

DKXL212:S0912)-118-3xLH287

158.4

19.8

8.0

59.2

28125.0

4.6

0.3

259.0

107.0

19

DKXL212:S0912)-134-1xLH287

158.2

20.9

7.6

57.0

29062.5

2.2

0.0

259.0

122.0

9

DKXL212:S0912)-118-5xLH287

153.6

20.8

7.4

56.9

28956.4

19.0

0.6

244.0

107.0

42

DKXL212:S0912)-157-2xLH287

153.4

23.2

6.7

55.8

28500.0

1.8

0.3

244.0

122.0

45

DKXL212:S0912)-166-1xLH287

153.0

20.2

7.7

59.4

29187.5

11.6

0.0

259.0

107.0

35

DKXL212:S0912)-150-1xLH287

152.8

18.9

8.1

54.5

28000.0

12.4

0.0

259.0

107.0

8

DKXL212:S0912)-118-4xLH287

150.5

20.7

7.2

56.3

28500.0

15.6

2.1

259.0

122.0

20

DKXL212:S0912)-134-2xLH287

149.2

21.6

6.9

58.3

29687.5

1.2

0.0

244.0

107.0

32

DKXL212:S0912)-146-1xLH287

144.2

21.2

6.8

56.1

29375.0

0.5

0.0

259.0

107.0

 

 

 

 

 

 

 

 

 

 

 

 

CHECK MEAN

187.9

20.7

9.2

59.6

28291.7

3.2

0.0

254.0

106.7

 

CV

10.0

6.2

11.6

3.5

3.9

99.4

347.4

4.6

9.3

 

GRAND MEAN

171.1

20.4

8.5

57.6

28728.2

5.7

0.3

254.8

113.2

 

LSD

16.8

1.2

1.0

4.1

1105.0

5.9

1.0

0.0

0.0

 

No. of Reps

8.0

8.0

8.0

2.0

8.0

7.0

7.0

1.0

1.0

Back to Top

Table 6. Pooled Yield & Agronomic Performance of DKXL212:S0912 Lines Crossed to LH287

 

Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN - 2005 (Test 05-011)

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

9

DKXL212:S0912)-193-1xLH287

200.7

20.1

10.0

58.6

29187.5

0.7

0.0

274.0

122.0

49

Pioneer 33N09

199.1

21.9

9.2

59.6

28250.0

2.7

0.0

274.0

137.0

37

DKXL212:S0912)-230-1xLH287

195.9

18.6

10.6

59.5

28835.1

3.6

0.0

_

_

14

DKXL212:S0912)-196-3xLH287

191.7

21.5

9.0

56.9

28750.0

1.2

0.3

274.0

107.0

13

DKXL212:S0912)-196-2xLH287

190.9

20.3

9.5

57.4

28937.5

3.4

1.2

274.0

137.0

44

DKXL212:S0912)-251-4xLH287

190.5

20.3

9.5

58.0

29062.5

6.7

0.0

274.0

137.0

38

DKXL212:S0912)-231-1xLH287

190.4

18.5

10.3

58.3

29264.4

9.8

0.0

_

_

1

DKXL212:S0912)-171-1xLH287

190.2

18.0

10.6

57.1

29437.5

1.4

0.2

274.0

137.0

26

DKXL212:S0912)-208-2xLH287

189.2

21.9

8.7

56.8

29000.0

5.1

0.5

274.0

122.0

31

DKXL212:S0912)-220-3xLH287

186.5

18.6

10.1

59.6

28187.5

7.4

0.0

259.0

122.0

50

Pioneer 33B51

186.1

21.8

8.6

57.5

27750.0

3.0

0.0

229.0

91.0

5

DKXL212:S0912)-180-2xLH287

185.9

20.5

9.1

58.3

28978.6

1.0

0.0

_

_

43

DKXL212:S0912)-251-1xLH287

183.7

21.3

8.7

58.7

29062.5

2.0

0.3

244.0

122.0

46

DKXL212:S0912)-255-1xLH287

182.2

18.8

9.7

58.6

29187.5

0.5

0.0

259.0

122.0

39

DKXL212:S0912)-239-1xLH287

182.0

19.0

9.6

58.0

28625.0

1.3

0.3

259.0

107.0

48

Pioneer 34M94

181.5

18.6

9.8

60.7

28549.8

1.6

1.5

_

_

47

DKXL212:S0912)-255-2xLH287

179.4

19.5

9.2

58.5

29500.0

1.0

0.0

274.0

122.0

27

DKXL212:S0912)-210-1xLH287

178.5

21.0

8.6

59.3

29125.0

1.7

0.0

290.0

122.0

28

DKXL212:S0912)-217-1xLH287

177.4

22.4

8.0

58.3

28875.0

1.0

0.5

244.0

107.0

3

DKXL212:S0912)-177-1xLH287

177.0

18.4

9.6

58.1

28750.0

7.7

0.5

259.0

122.0

29

DKXL212:S0912)-217-2xLH287

176.5

19.4

9.1

56.9

29187.5

1.5

0.2

244.0

122.0

20

DKXL212:S0912)-203-1xLH287

175.2

19.0

9.2

57.3

29062.5

4.6

0.0

259.0

107.0

2

DKXL212:S0912)-172-1xLH287

174.0

18.5

9.5

58.9

27812.5

6.5

0.0

259.0

137.0

42

DKXL212:S0912)-248-2xLH287

172.9

19.0

9.1

60.3

29000.0

5.2

0.5

274.0

122.0

25

DKXL212:S0912)-208-1xLH287

171.6

21.5

8.0

56.0

29312.5

1.4

0.0

259.0

107.0

36

DKXL212:S0912)-228-1xLH287

171.6

18.3

9.5

58.7

29500.0

7.5

0.0

259.0

122.0

21

DKXL212:S0912)-204-2xLH287

171.4

19.5

8.8

56.8

28375.0

15.6

0.0

274.0

122.0

41

DKXL212:S0912)-242-1xLH287

169.3

19.0

8.9

57.1

28125.0

20.0

0.7

259.0

122.0

10

DKXL212:S0912)-194-1xLH287

169.1

22.0

7.8

57.8

28250.0

1.2

0.0

259.0

122.0

40

DKXL212:S0912)-241-1xLH287

168.7

21.7

7.9

60.4

27625.0

1.8

0.0

259.0

122.0

16

DKXL212:S0912)-197-3xLH287

168.2

20.8

8.1

57.4

28750.0

9.7

0.0

259.0

122.0

30

DKXL212:S0912)-220-1xLH287

167.1

17.6

9.4

57.0

28562.5

25.3

0.8

259.0

107.0

19

DKXL212:S0912)-201-1xLH287

167.0

20.0

8.4

58.6

28937.5

1.5

0.0

259.0

107.0

34

DKXL212:S0912)-227-1xLH287

166.2

20.5

8.2

57.0

29437.5

8.8

0.3

259.0

122.0

33

DKXL212:S0912)-221-2xLH287

165.6

22.4

7.5

58.3

28050.0

1.4

0.0

_

_

32

DKXL212:S0912)-221-1xLH287

165.0

22.3

7.5

57.7

26000.0

1.1

0.0

259.0

122.0

22

DKXL212:S0912)-204-3xLH287

161.8

20.1

8.1

58.4

28375.0

7.7

0.0

274.0

137.0

4

DKXL212:S0912)-179-1xLH287

161.7

21.7

7.5

56.7

28625.0

2.8

0.0

244.0

122.0

17

DKXL212:S0912)-199-1xLH287

161.2

21.7

7.4

56.8

28375.0

11.8

0.2

274.0

122.0

24

DKXL212:S0912)-206-1xLH287

159.0

22.3

7.1

57.1

28812.5

12.3

1.0

244.0

137.0

8

DKXL212:S0912)-192-1xLH287

158.9

20.9

7.7

59.4

28937.5

4.4

0.2

259.0

122.0

11

DKXL212:S0912)-194-2xLH287

158.8

22.3

7.2

57.2

28812.5

1.8

0.5

244.0

122.0

6

DKXL212:S0912)-188-1xLH287

157.2

19.0

8.3

59.0

28250.0

5.0

1.0

259.0

122.0

15

DKXL212:S0912)-197-2xLH287

157.0

20.0

7.8

57.2

26312.5

22.0

0.0

274.0

122.0

45

DKXL212:S0912)-253-2xLH287

155.5

20.2

7.7

55.9

29121.1

4.8

0.0

_

_

23

DKXL212:S0912)-204-4xLH287

155.3

18.2

8.6

57.1

27125.0

11.6

1.3

259.0

122.0

7

DKXL212:S0912)-188-2xLH287

154.4

19.6

7.9

58.5

27937.5

3.9

0.0

259.0

122.0

18

DKXL212:S0912)-200-1xLH287

149.0

17.5

8.5

56.5

26000.0

13.6

0.0

259.0

107.0

12

DKXL212:S0912)-194-3xLH287

147.5

21.2

7.0

57.9

26312.5

9.7

0.2

244.0

107.0

35

DKXL212:S0912)-227-2xLH287

138.7

18.9

7.3

59.0

28562.5

14.4

0.3

244.0

107.0

 

 

 

 

 

 

 

 

 

 

 

 

CHECK MEAN

188.9

20.8

9.2

59.2

28183.3

2.4

0.5

164.7

73.0

 

CV

10.3

5.7

10.6

1.6

4.8

117.4

379.5

4.6

8.6

 

GRAND MEAN

172.7

20.1

8.7

58.0

28497.2

6.0

0.3

260.7

120.3

 

LSD

17.5

1.1

0.9

1.9

1334.4

7.5

1.0

0.0

0.0

 

No. of Reps

8.0

8.0

8.0

2.0

8.0

7.0

7.0

1.0

1.0

Back to Top

Table 7. Pooled Yield & Agronomic Performance of DKXL212:S0912 & DK212T:S0620 Lines Crossed to

LH287 Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN-2005 Test 05-012

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

29

Pioneer 33N09

194.2

21.3

9.3

59.8

28000.0

3.5

0.0

259.0

122.0

7

DK212T:S0620)-9-1-1-1xLH287

189.3

21.5

9.0

58.4

29375.0

6.8

0.5

244.0

122.0

19

DK212T:S0620)-87-1-3xLH287

189.3

21.8

8.8

56.2

28625.0

3.2

0.8

229.0

122.0

20

DK212T:S0620)-91-2-1xLH287

186.8

21.8

8.7

57.2

28062.5

3.9

0.5

244.0

122.0

24

DK212T:S0620)-98-2-2xLH287

183.1

22.5

8.3

57.1

29125.0

8.7

0.5

229.0

137.0

12

DK212T:S0620)-55-3-3xLH287

181.3

21.5

8.5

55.7

28625.0

12.7

1.0

244.0

122.0

10

DK212T:S0620)-55-3-1xLH287

180.9

21.2

8.6

57.9

28875.0

8.7

2.0

259.0

122.0

2

DKXL212:S0912)-257-1xLH287

180.4

20.2

9.1

56.8

29187.5

7.8

0.0

244.0

122.0

9

DK212T:S0620)-23-2-1-2xLH287

180.1

21.2

8.5

56.5

29000.0

19.9

0.2

244.0

122.0

18

DK212T:S0620)-87-1-2xLH287

180.0

21.0

8.6

54.7

28750.0

13.2

2.0

274.0

122.0

23

DK212T:S0620)-98-2-1xLH287

178.3

22.4

8.0

55.9

28437.5

8.8

0.0

244.0

107.0

26

DK212T:S0620)-132-3-1xLH287

178.3

22.2

8.1

55.3

27750.0

9.9

0.3

244.0

122.0

15

DK212T:S0620)-75-1-3xLH287

175.7

21.2

8.4

56.3

28937.5

11.0

0.2

229.0

122.0

22

DK212T:S0620)-93-2-1xLH287

175.5

21.8

8.1

58.5

28562.5

7.4

0.5

229.0

122.0

25

DK212T:S0620)-100-1-1xLH287

173.9

23.0

7.6

58.9

28687.5

6.2

1.1

229.0

122.0

14

DK212T:S0620)-75-1-2xLH287

172.3

21.6

8.1

56.0

29000.0

15.6

0.0

229.0

115.0

27

DK212T:S0620)-132-3-2xLH287

171.0

22.4

7.7

56.2

28812.5

9.2

0.3

244.0

122.0

17

DK212T:S0620)-87-1-1xLH287

169.8

21.9

7.9

56.7

28187.5

13.0

0.0

213.0

122.0

16

DK212T:S0620)-79-1-1xLH287

168.2

23.0

7.4

55.6

28312.5

3.1

0.0

244.0

107.0

8

DK212T:S0620)-23-2-1-1xLH287

167.5

22.3

7.6

56.1

28375.0

5.1

0.0

259.0

122.0

1

DKXL212:S0912)-255-3xLH287

165.5

18.6

9.0

58.5

28625.0

6.0

0.0

259.0

122.0

6

DK212T:S0620)-5-2-1-1xLH287

164.8

20.3

8.2

57.9

28937.5

6.5

0.0

244.0

122.0

13

DK212T:S0620)-75-1-1xLH287

162.8

21.4

7.8

58.0

27125.0

20.0

0.8

213.0

122.0

21

DK212T:S0620)-91-2-2xLH287

158.4

21.0

7.7

57.3

29500.0

13.3

3.4

229.0

107.0

11

DK212T:S0620)-55-3-2xLH287

156.0

20.4

7.7

56.2

29312.5

24.6

0.5

244.0

122.0

28

Pioneer 34M94

155.1

19.3

8.2

60.4

27562.5

3.7

0.0

229.0

107.0

30

Pioneer 33B51

152.2

21.0

7.3

57.6

28375.0

6.1

0.0

213.0

107.0

4

DKXL212:S0912)-262-3xLH287

149.5

20.5

7.4

60.0

28750.0

12.1

0.3

259.0

122.0

3

DKXL212:S0912)-262-2xLH287

147.7

20.4

7.4

57.9

28312.5

22.6

0.8

213.0

122.0

5

DKXL212:S0912)-263-1xLH287

141.3

19.0

7.6

59.3

28000.0

26.0

1.1

244.0

122.0

 

 

 

 

 

 

 

 

 

 

 

 

CHECK MEAN

167.2

20.6

8.3

59.3

27979.2

4.4

0.0

233.7

112.0

 

CV

11.5

4.9

11.7

1.6

3.6

91.0

279.3

6.4

5.4

 

GRAND MEAN

171.0

21.3

8.1

57.3

28572.9

10.6

0.6

239.4

119.8

 

LSD

19.4

1.0

0.9

1.9

1017.7

10.2

1.6

0.0

0.0

 

No. of Reps

8.0

8.0

8.0

2.0

8.0

7.0

7.0

1.0

1.0

Back to Top

Table 8. Pooled Yield & Agronomic Performance of DKXL212T:N11a10 Lines Crossed to Pioneer

Stiff-Stalk Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN - 2005

(Test 05-013)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

1

DK212T:N11a10)-4-1-1-1

190.9

20.5

9.5

57.3

28875.0

5.7

0.0

274.0

152.0

3

DK212T:N11a10)-27-1-1-1

188.8

21.0

9.1

57.7

28375.0

4.8

0.0

274.0

152.0

18

DK212T:N11a10)-181-1

183.1

19.9

9.3

60.0

28437.5

5.1

0.0

290.0

137.0

40

Pioneer 33B51

181.8

21.0

8.8

59.4

28437.5

5.3

0.0

290.0

137.0

23

DK212T:N11a10)-184-2

177.0

20.4

8.7

59.2

29437.5

3.0

0.0

259.0

122.0

24

DK212T:N11a10)-185-1

176.0

21.7

8.2

56.2

28125.0

2.5

0.0

274.0

152.0

33

DK212T:N11a10)-189-3

175.5

20.3

8.7

56.7

28250.0

4.3

0.0

290.0

152.0

20

DK212T:N11a10)-183-1

173.9

20.5

8.6

57.6

29312.5

12.6

0.2

305.0

152.0

4

DK212T:N11a10)-35-1-1-1

172.9

19.5

9.0

56.7

28750.0

13.3

0.0

274.0

122.0

34

DK212T:N11a10)-190-1

172.7

20.4

8.5

57.0

28750.0

2.8

0.0

274.0

137.0

6

DK212T:N11a10)-44-2-1-1

172.3

20.9

8.4

56.1

28125.0

5.6

0.0

274.0

137.0

30

DK212T:N11a10)-187-5

171.4

21.2

8.2

57.7

29000.0

7.2

0.0

274.0

122.0

26

DK212T:N11a10)-187-1

171.2

21.0

8.3

60.2

29562.5

7.5

0.0

274.0

152.0

5

DK212T:N11a10)-35-1-2-1

170.1

20.2

8.5

58.6

28000.0

10.8

0.0

274.0

137.0

35

DK212T:N11a10)-191-1

170.0

21.0

8.2

55.4

28500.0

6.5

0.5

274.0

137.0

8

DK212T:N11a10)-87-1-2

169.6

20.6

8.3

58.4

29312.5

5.9

0.2

290.0

152.0

2

DK212T:N11a10)-4-1-1-2

169.0

20.1

8.5

58.8

28500.0

3.7

0.0

274.0

137.0

19

DK212T:N11a10)-181-2

168.8

20.6

8.3

56.2

26000.0

1.3

0.0

290.0

152.0

9

DK212T:N11a10)-99-3-1

168.4

19.8

8.6

57.1

28437.5

6.0

0.0

290.0

152.0

12

DK212T:N11a10)-108-1-2

168.4

21.1

8.1

57.6

25500.0

1.8

0.0

259.0

137.0

36

DK212T:N11a10)-192-1

168.4

20.8

8.2

57.2

29125.0

2.3

0.0

274.0

137.0

39

Pioneer 33N09

167.9

18.7

9.0

58.4

28000.0

2.6

0.0

274.0

137.0

37

DK212T:N11a10)-192-2

167.6

21.6

7.9

57.7

29375.0

2.9

0.0

274.0

137.0

25

DK212T:N11a10)-186-1

167.3

20.7

8.2

57.3

29187.5

11.8

0.0

305.0

152.0

29

DK212T:N11a10)-187-4

165.4

21.4

7.8

57.3

27375.0

3.0

0.0

274.0

152.0

13

DK212T:N11a10)-172-1

164.8

20.9

8.0

58.3

28562.5

5.6

0.0

290.0

137.0

10

DK212T:N11a10)-99-3-2

163.7

19.9

8.3

57.0

28375.0

4.2

0.0

274.0

152.0

11

DK212T:N11a10)-108-1-1

163.3

21.6

7.6

57.6

27500.0

1.3

0.7

290.0

152.0

7

DK212T:N11a10)-87-1-1

159.2

20.0

8.1

58.8

28812.5

7.7

0.0

259.0

137.0

14

DK212T:N11a10)-173-1

158.9

20.7

7.8

56.0

28437.5

12.4

0.0

274.0

137.0

27

DK212T:N11a10)-187-2

158.4

22.1

7.3

56.3

28750.0

7.5

0.7

290.0

152.0

21

DK212T:N11a10)-183-2

157.6

19.9

8.0

58.4

28312.5

17.2

0.0

274.0

122.0

15

DK212T:N11a10)-175-1

157.4

21.2

7.6

57.4

29187.5

19.7

0.0

259.0

137.0

22

DK212T:N11a10)-184-1

156.7

19.3

8.1

61.1

29687.5

2.8

0.0

274.0

152.0

16

DK212T:N11a10)-176-1

156.2

19.3

8.2

54.7

28812.5

19.5

0.0

274.0

152.0

31

DK212T:N11a10)-189-1

154.8

19.5

7.9

56.6

28187.5

10.7

0.0

290.0

152.0

32

DK212T:N11a10)-189-2

154.7

19.9

7.9

58.8

28250.0

6.4

0.0

274.0

137.0

17

DK212T:N11a10)-178-1

153.8

20.9

7.5

54.5

27750.0

6.6

0.5

305.0

122.0

38

Pioneer 34M94

152.5

20.4

7.5

56.9

29000.0

4.0

0.0

274.0

137.0

28

DK212T:N11a10)-187-3

149.5

19.7

7.7

56.8

27750.0

7.9

0.0

290.0

152.0

 

 

 

 

 

 

 

 

 

 

 

 

CHECK MEAN

167.4

20.0

8.4

58.2

28479.2

4.0

0.0

279.3

137.0

 

CV

12.4

4.8

12.0

2.9

4.5

99.1

604.3

4.2

7.2

 

GRAND MEAN

167.2

20.5

8.3

57.5

28453.1

6.8

0.1

279.2

141.9

 

LSD

20.4

1.0

1.0

3.4

1272.6

7.1

0.5

0.0

0.0

 

No. of Reps

8.0

8.0

8.0

2.0

8.0

7.0

7.0

1.0

1.0

Back to Top

Table 9. Pooled Yield & Agronomic Performance of DKXL212T:N11a10 Lines Crossed to Pioneer

Stiff-Stalk Tester at Smyrna, Magnolia, & Georgetown, DE, Ames, IA, & Mount Vernon, IN - 2005

(Test 05-014)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yield

%

 

Test

 

%

%

Plant

Ear

Entry

Hybrid

Bu/A

HOH

Y/M

Weight

Pop

Stk.ldg

Rt.ldg

Height

Height

36

DK212T:N11a10)-214-2

180.8

22.5

8.1

57.5

28357.1

4.2

0.0

305.0

168.0

33

DK212T:N11a10)-213-1

176.2

22.0

8.1

56.3

28642.9

2.8

0.0

274.0

137.0

34

DK212T:N11a10)-213-2

174.7

20.7

8.5

57.3

29214.3

7.9

0.0

274.0

122.0

5

DK212T:N11a10)-194-1

171.3