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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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