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Table 2 Means of different traits evaluated in three cycles of divergent selection to lengthen or shorten the length of the internode basal ring (LIBR) in the synthetic varieties EPS20 and EPS21

From: Is the basal area of maize internodes involved in borer resistance?

Cycles

LIBR

(mm)

Tunnel length

(cm)

Kernel damage

(1-9)

Plant height

(cm)

Ear height

(cm)

Yield

(Mg ha-1)

EPS20

      

Large_LIBRC3

5.48a

21.57a

7.88b

229.9abc

92.5a

6.08a

Large_LIBRC2

4.96bcd

15.92abc

8.20ab

213.9abcdef

77.0bcd

5.36abcd

Large_LIBRC1

5.32ab

18.66abc

8.39ab

227.4abcde

89.1ab

5.74abc

C0

5.04abc

15.88abc

8.46a

236.7a

93.5a

5.89abc

Short_LIBRC1

5.11abc

17.14abc

8.27ab

219.5abcdef

76.8bcd

5.96ab

Short_LIBRC2

4.90bcd

11.68bc

8.53a

231.4ab

83.9abcd

6.11a

Short_LIBRC3

4.78cde

10.36c

8.68a

228.9abcd

89.5ab

5.74abc

EPS21

      

Large_LIBRC3

5.30ab

14.62abc

8.54a

206.4cdef

73.3cd

5.06cd

Large_LIBRC2

5.28ab

12.72bc

8.44a

220.1abcdef

88.0abc

5.44abcd

Large_LIBRC1

5.22abc

11.84bc

8.70a

215.7abcdef

84.1abcd

5.74abc

C0

5.02abcd

12.44bc

8.60a

204.4ef

76.2bcd

5.66abcd

Short_LIBRC1

4.86bcd

13.20abc

8.28ab

205.8def

73.2cd

5.09bcd

Short_LIBRC2

4.53de

19.90ab

8.40ab

211.9bcdef

77.0bcd

5.32abcd

Short_LIBRC3

4.34e

12.28bc

8.34ab

202.4f

72.3d

4.80d

LSD

0.49

8.79

0.52

24.0

15.3

0.89

  1. Notes: Trials were conducted in 2007 and 2008. Means within a column followed by the same lowercase letter are not significantly different.