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Table 3 Estimation of the important genetic parameters of quantitative traits included in the artificial index of C. montrouzieri among 12 generations of inbreeding

From: A selection index of multiple quantitative traits of the predator Cryptolaemus montrouzieri (Mulsant) (Coleoptera: Coccinellidae) through 12 inbreeding generations

Parameter Control line First genetic improved line
(Fec.)
Second genetic improved line
(PPLI)
Third genetic improved line
(LdP)
  Fec. PPLI LdP Fec. PPLI LdP
MST 15,040.13 147.88 22.66 13,411.54 120.31 36.69
VG 483.48 4.60 0.65 438.71 3.83 1.15
VE 535.81 9.93 3.12 250.13 5.54 2.28
Vp 1019 14.52 3.77 688.85 9.37 3.42
SD 31.93 3.81 1.94 26.25 3.06 1.85
X 105.07 23.60 13.44 172.26 27.11 14.30
GCV% 20.93 9.09 6.00 12.16 7.21 7.49
ECV% 22.03 13.35 13.14 9.18 6.68 10.55
PCV% 30.39 16.15 14.45 15.24 11.29 12.49
h2bs % 47.43 31.66 17.27 63.70 40.80 33.50
  1. Fec. fecundity, PPLI preying potential of 3rd larval instar, LdP larval developmental period, MST mean squares between generations, V G genetic variance, V E environmental variance, SD standard division X mean, PCV% phenotypic coefficient of variation, GCV% genotypic coefficient of variation and, ECV% environmental coefficient of variation, h2bs broad sense heritability