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Table 2 Mean value, and genetic coefficient of variation (CVg), for trait values in three test environments of three pea RIL populations derived from three connected crosses (A × I, 102 lines; K × A, 100 lines; K × I, 104 lines)

From: Pea genomic selection for Italian environments

  

Mean valuec

CVg (%)d

Traita

Environmentb

A × I

K × A

K × I

A × I

K × A

K × I

GY (t/ha)

Lo14

5.994

a

6.326

a

6.541

a

10.1

**

17.5

**

18.2

**

GY (t/ha)

Lo15

5.805

a

2.522

b

5.777

a

28.0

**

51.3

**

33.0

**

GY (t/ha)

Pg14

2.615

b

2.773

b

3.310

a

24.8

**

20.7

**

14.8

**

OF (dd from Apr. 1)

Lo14

10.26

c

13.84

a

13.14

b

18.5

**

37.5

**

33.2

**

OF (dd from Apr. 1)

Lo15

12.45

c

18.72

a

14.81

b

14.2

**

28.3

**

27.7

**

OF (dd from Apr. 1)

Pg14

10.58

b

13.43

a

13.17

a

28.3

**

39.5

**

41.8

**

LS (score 1 = min, 5 = max)

Lo14

2.53

a

2.43

a

2.58

a

20.9

**

9.7

NS

22.9

**

LS (score 1 = min, 5 = max)

Lo15

3.66

b

3.52

ab

3.80

a

7.4

**

0.0

NS

8.7

**

LS (score 1 = min, 5 = max)

Pg14

2.37

a

2.14

a

2.02

a

16.2

**

13.7

NS

23.0

**

SW (g)

Lo14

0.207

b

0.230

a

0.201

b

9.6

**

8.0

**

9.3

**

SW (g)

Lo15

0.190

a

0.192

a

0.180

b

8.2

**

5.8

**

7.9

**

SW (g)

Pg14

0.183

b

0.207

a

0.181

b

9.4

**

8.0

**

9.9

**

WS (proportion)

Lo15

0.877

a

0.436

b

0.865

a

10.8

**

32.2

**

12.8

**

  1. a GY, grain yield; OF, onset of flowering; LS, lodging susceptibility; SW, individual seed weight; WS, winter plant survival
  2. b Lo14, Lodi 2013–14; Lo15, Lodi 2014–15; Pg14, Perugia 2013–14
  3. c Row means followed by different letter differ at P < 0.05
  4. d NS and **: genetic variance not different from zero at P < 0.05 and different from zero at P < 0.01, respectively
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BMC Genomics

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