Table 3 Mean squares of different traits of early maturing yellow maize hybrids across four management conditions in 2015 and 2016.

From: Testcross performance and combining ability of early maturing maize inbreds under multiple-stress environments

Source

DF

YIELD

POLLEN

DYSK

ASI

PLHT

EASP

EPP

DF

PASP

DF

STGR

Env

16

848804140**

1862.51**

3625.96**

411.37**

182027.03**

37.50**

2.53**

12

92.43**

5

506.67**

Rep (Env)

17

12981660**

62.80**

87.29**

6.92**

2631.86**

4.48**

0.13**

13

4.86**

6

25.77**

Block (Env*Rep)

442

2244889**

5.75**

8.23**

1.58**

638.99**

1.07**

0.03**

338

1.12**

156

1.88**

Manag-c

3

2496720203**

5282.93**

11896.90**

1264.64**

78555.72**

50.98**

3.82**

2

112.64**

1

85.43**

Hybrid

209

12033989**

62.47**

83.04**

4.74**

3119.98**

4.17**

0.05**

209

4.87**

209

1.77**

GCA-line

40

19326650**

208.43**

306.88**

15.97**

3076.65**

4.66**

0.09**

40

6.71**

40

3.05**

GCA-tester

4

188137337**

880.46**

956.38**

24.76**

116078.79**

79.47**

0.39**

4

117.24**

4

14.61**

SCA

160

6078917**

13.34**

15.58**

1.95**

771.63**

2.30**

0.04**

160

1.83**

160

1.36*

Manag-c*Hybrid

627

2048507

5.93

8.08

2.05*

461.02

0.91**

0.04**

418

0.81

209

1.01

Env*Hybrid

3344

1459456**

4.95**

6.75**

1.57**

398.37**

0.65**

0.03**

2508

0.62**

1045

1.04**

Env*GCA-line

640

2365289**

10.88**

15.47**

2.14**

461.54**

1.01**

0.04**

480

0.84**

200

1.40**

Env*GCA- tester

64

9845809**

12.76**

20.83**

5.95**

3642.15**

3.68**

0.12**

48

2.24**

20

4.31**

Env*SCA

2560

1265050**

4.33**

5.43**

1.48**

356.49**

0.60*

0.03**

1920

0.61*

800

1.09

Error

3484

986270

2.86

4.33

1.27

286.74

0.56

0.02

2664

0.55

1229

1.10

  1. *,**Significant at 0.05 and 0.01 probability levels, respectively; Env = environment; Rep = replication; Manag-c = management condition; YIELD = Grain yield (kg ha−1); Pollen = days to 50% anthesis; DYSK = days to 50% silking; ASI = anthesis-silking interval; PLHT = plant height (cm); PASP = plant aspect; EASP = ear aspect; EPP = ears per plant; STGR = stay-green characteristic.