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Table 2 Mean squares for grain yield and other traits of testcrosses of yellow maize inbred lines under Striga infested condition

From: Testcross performance of Striga-resistant maize inbred lines and testers with varying levels of Striga reaction

Source

DF

PLHT

STRRAT8

STRRAT10

STRCO8

STRCO10

EHARV

EASP

ASI

EPP

YLD

Env

1

68,779.8

57.1

72.2

146,840.2†

840,782.9

287.0

0.2

7.6

2.23

154,677,505.6

Block (Env*REP)

88

486.9

1.2

0.9

1467.1

3631.7

5.0

0.3**

0.7**

0.02

1,938,625.3

REP(Env)

2

1045.4

0.6

0.9

6234.3

45,738.6

55.2

0.3

2.5***

0.03

1,702,995.5

ENTRY

91

308.3

2.5†

2.7

985.4*

1880.7**

12.0

0.4†

0.5

0.04

1,996,779.7

Env*ENTRY

91

81.6

0.9

0.7

486.0

1402.4

6.2*

0.2

0.5

0.02

814,562.0

Error

94

77.5

1.0

0.8

627.5

1091.1

4.3

0.2

0.4

0.02

634,801.8

Mean

 

166.2

3.8

5.7

51.1

79.9

14.2

3.0

1.9

0.88

3556.4

CV

 

5.3

26.9

15.7

49.0

41.3

14.5

13.3

33.8

14.85

22.4

  1. ns non-significant, PLHT Plant height (cm), STRRAT8 and STRRAT10 Striga damage rating using scale 1–9 at 8 and 10 weeks after planting, respectively, STRCO8 and STRCO10 Striga emergence count at 8 and 10 weeks after planting, respectively, EHARV number of ears at harvest, EASP ear aspect (rating at a scale of 1–5), ASI Anthesis silking interval, EPP ear per plant and YLD grain yield (kg/ha)
  2. *,**,***,† significant at 0.05, 0.01, 0.001 and 0.0001 probability levels, respectively