Table 9 Variance components for four-disease parameters and eight agronomic traits of 45 groundnut genotypes evaluated in two seasons.

From: Combining ability and gene action controlling rust resistance in groundnut (Arachis hypogaea L.)

Traits

GCA

SCA

REC

GCA & SCA ratio

Baker’s ratio

H2 (%)

Disease parameters

%RI85

0.008

0.092

0.018

0.085

0.145

78.48

%RI100

0.011

0.095

0.039

0.111

0.182

79.89

%LLSI85

0.003

0.029

0.013

0.113

0.184

70.47

%LLSI100

0.005

0.046

0.026

0.117

0.190

68.40

Agronomic traits

DTF

0.559

22.318

11.635

0.025

0.048

65.38

PH

10.081

256.013

37.641

0.039

0.073

97.74

NPP

− 0.005

0.545

0.383

− 0.008

− 0.017

20.26

DTM

1.136

53.976

14.639

0.021

0.040

70.27

PDY

21,812.010

480,854.190

830,693.490

0.045

0.083

83.13

HSW

9.638

220.665

97.726

0.044

0.080

80.46

SP

− 0.000

− 0.002

0.001

0.009

0.018

17.89

KY

8655.410

146,365.650

348,164.330

0.059

0.106

80.53

  1. %RI85 percentage rust infection at 85 days after planting, %RI100 percentage rust score infection at 100 days after planting, %LLSI85 Percentage late leaf spot infection at 85 days after planting; %LLSI100 percentage late leaf spot infection at 100 days after planting, DTF days to flowering, PH plant height, NPP number of pods per plant, DTM days to maturity, PDY pod yield, HSW hundred seed weight, SP shelling percent, KY kernel yield, GCA general combining ability, SCA specific combining ability, REC reciprocal, H2 broad sense heritability.