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Number of Meloidogyne incognita race 3, M. arenaria race 1, M. javanica, and M. haplanaria in roots of susceptible and resistant pepper lines at 1, 3, and 5 days after inoculation.
Days after nematode inoculation
Cultivar/line (resistant gene)
1
3
5
M. incognita race 3
Mellow StarX
11.0±1.24 a
21.8±2.47 a
39.0±4.50 a
Yolo Wonder B (Me5)Y
8.1±1.16 a
15.0±1.74 b
38.1±3.9 a
Charleston Belle (N)Y
0.6±0.30 b
3.8±0.72 c
7.5±0.90 bc
HDA-149 (Me3)
0.3±0.30 b
3.0±0.60 c
5.1±0.74 c
HDA-330 (Me1)
0.8±0.45 b
7.3±0.83 c
12.0±1.16 b
PM-217 (Me1,Me2)
0.5±0.30 b
6.3±1.32 c
10.6±2.60 b
PM-687 (Me3,Me4)
0.5±0.30 b
3.8±1.20 c
6.8±1.30 bc
M. arenaria race 1
Mellow Star
10.1±1.45 a
17.1±2.93 a
35.2±6.0 a
Yolo Wonder B
7.8±1.85 a
12.6±1.74 a
37.0±5.8 a
Charleston Belle
0.1±0.16 b
2.3±0.77 b
5.1±1.4 b
HDA-149
0.1±0.16 b
3.0±0.77 b
10.6±1.1 b
HDA-330
0.6±0.30 b
5.0±0.78 b
10.3±0.8 b
PM-217
0.3±0.30 b
5.5±0.86 b
9.5±1.1 b
PM-687
0.3±0.30 b
4.6±1.67 b
6.6±1.2 b
M. javanica
Mellow Star
9.6±0.9 a
18.7±2.3 a
30.7±4.5 a
Yolo Wonder B
0.5±0.06 b
3.8±1.0 b
9.8±1.2 b
Charleston Belle
0.1±0.02 b
2.1±0.7 b
4.6±1.3 c
HDA-149
0.5±0.03 b
4.8±1.0 b
9.0±2.6 bc
HDA-330
0.6±0.1 b
3.6±1.3 b
5.8±1.1 bc
PM-217
0.3±0.02 b
4.8±1.4 b
9.3±2.3 b
PM-687
0.3±0.02 b
1.8±0.72 b
6.3±0.94 bc
M. haplanaria
Mellow Star
7.2±1.04 a
16.6±2.03 a
21.1±2.1 a
Yolo Wonder B
0.6±0.18 b
4.5±0.8 b
10.1±1.1 bc
Charleston Belle
0.2±0.04 b
2.5±0.8 b
4.5±1.0 d
HDA-149
0.3±0.16 b
3.9±0.7 b
8.3±1.2 bc
HDA-330
0.3±0.06 b
5.6±1.6 b
9.6±2.1 bc
PM-217
0.3±0.06 b
3.6±0.9 b
10.8±1.1 b
PM-687
0.6±0.03 b
4.3±1.3 b
7.1±1.7 cd
Resistance and susceptibility ratings of pepper plants to species of root-knot nematode (Meloidogyne spp.) based on greenhouse experiments.
Cultivar/Line
Nematode resistance genes
M. incognita race 3
M. arenaria race 1
M. javanica
M. haplanaria
Mellow Star
None
HS
HS
HS
S
Yolo Wonder B
Me5
HS
HS
HR
HR
Charleston Belle
N
HR
HR
HR
HR
HDA-149
Me3 (=Me7)
HR
HR
HR
HR
HDA-330
Me1
R
HR
HR
HR
PM-217
Me1, Me2
HR
HR
HR
HR
PM-687
Me3 (=Me7), Me4
HR
HR
HR
HR
Root fresh weight, gall index, numbers of eggs per gram fresh root mass, and reproduction factor of Meloidogyne incognita race 3, M. arenaria race 1, M. javanica, and M. haplanaria on pepper cultivar/lines in two greenhouse trials.