Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia
Table 2
Phenotypic (above diagonal) and genotypic (below diagonal) correlation coefficients of quantitative traits among 36 accessions of black cumin.
Variable
DEM
BLM
FLR
PBR
SBR
TBR
TOBR
GRZ
HT
HVD
BY
NEC
NSPC
TSW
HI
YH
DEM
0.19
0.23
−0.01
0.02
−0.13
−0.02
−0.06
−0.15
0.34
0.28
−0.08
0.00
0.06
−0.27
−0.04
BLM
0.2
0.58
0.14
−0.13
−0.45
−0.17
0.13
−0.03
0.58
−0.08
−0.17
−0.09
−0.09
−0.18
−0.29
FLR
0.25
0.60
0.15
−0.17
−0.45
−0.22
0.05
−0.12
0.64
0.01
−0.22
−0.14
−0.01
−0.27
−0.29
PBR
−0.01
0.2
0.21
0.74
0.31
0.73
0.80
0.72
0.16
0.34
0.63
−0.1
−0.1
0.17
0.53
SBR
0.02
−0.17
−0.16
0.73
0.68
0.95
0.68
0.69
−0.11
0.34
0.70
−0.01
−0.09
0.29
0.66
TBR
−0.17
−0.54
−0.50
0.29
0.74
0.76
0.29
0.40
−0.53
0.11
0.46
0.07
−0.14
0.35
0.49
TOBR
−0.04
−0.21
−0.21
0.75
0.98
0.81
0.63
0.69
−0.18
0.31
0.70
−0.02
−0.14
0.34
0.68
GRZ
−0.1
0.21
0.15
0.81
0.65
0.26
0.65
0.68
0.1
0.29
0.59
−0.08
0.00
0.2
0.52
HT
−0.18
−0.04
−0.07
0.70
0.68
0.39
0.68
0.64
0.06
0.26
0.76
−0.15
−0.09
0.37
0.66
HVD
0.40
0.65
0.70
0.18
−0.14
−0.56
−0.22
0.11
0.06
0.27
−0.07
−0.19
0.02
−0.41
−0.21
BY
0.32
−0.1
0.01
0.36
0.38
0.1
0.33
0.34
0.27
0.28
−0.09
0.16
−0.53
0.40
NEC
−0.09
−0.2
−0.21
0.64
0.78
0.48
0.75
0.65
0.82
−0.08
0.44
−0.34
−0.07
0.36
0.83
NSPC
0.03
−0.1
−0.1
−0.25
−0.17
0.05
−0.14
−0.28
−0.32
−0.24
−0.12
−0.42
−0.01
0.12
0.05
TSW
0.11
−0.13
−0.05
−0.3
−0.26
−0.23
−0.31
−0.18
−0.17
0.02
0.16
−0.18
0.09
0.1
HI
−0.35
−0.19
−0.29
0.12
0.29
0.37
0.32
0.19
0.41
−0.45
−0.56
0.36
0.09
−0.12
0.53
YH
−0.08
−0.33
−0.31
0.52
0.73
0.52
0.71
0.58
0.72
−0.24
0.43
0.88
−0.02
0.06
0.47
Symbols and indicate significance at 0.05 and 0.01 probability levels. DEM = days to emergency, BLM = days to 50% blooming, FLR = days to 50% flowering, PBR = number of primary branches, SBR = number of secondary branches, TBR = number of tertiary branches, TOBR = number of total branches, GRZ = girth (thickness), HT = stem height, HVD = harvesting date, BY = biological yield, NEC = number of effective capsule, NSPC = number of seeds per capsule, TSW = thousand seed weight, HI = harvesting index, and YH = seed yield ha−1.
