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Table 4 Summary of phenotypic values for B73, F1 B73 × Gaspé Flint and Gaspé Flint, and trait heritability (h2)

From: Genetic dissection of maize phenology using an intraspecific introgression library

Trait

Acronym (unit)

B73

F1

Gaspé Flint

h(%)a

Days from planting to pollen shed

DPS (days)

74.7

60.7

45.0

88.8

Number of ears

EARN (count)

1.5

1.9

3.4

61.5

Growing degree unit

GDU (unit)

646

458

313

89.1

Internode length

INDL (cm)

13.8

23.9

15.8

75.3

Number of nodes

ND (count)

20.2

12.1

10.7

98.2

Number of nodes above the top ear

NDAE (count)

6.1

4.4

3.1

88.0

Number of nodes below the top ear

NDBE (count)

14.1

7.7

7.6

95.9

Plant height

PH (cm)

223.3

193.8

106.0

92.1

Proportion of nodes below the top ear

PNDBE (rate)

0.7

0.6

0.7

57.0

  1. a Computed based on the introgression library field experiment.