Screening Selected Solanum Plants as Potential Rootstocks for the Management of Root-Knot Nematodes (Meloidogyne incognita)
Table 2
Response of four rootstocks to four RKN inoculum levels on gall scores, egg count per gram of root, and reproductive factors 6 and 12 weeks after inoculation in pot experiments.
Rootstocks
Initial inoculum
Mean gall score (1–10)
Nematode count per 200 cc of soil (Pf)
Egg count per gram of root
Reproductive factor (Pi/Pf)
Reaction
6 weeks
12 weeks
6 weeks
12 weeks
6 weeks
12 weeks
6 weeks
12 weeks
Mon
500
0.51a
0.00a
48.30
41.28
6.50a
5.94a
0.09
0.08
T
SA
500
0.22a
0.20ab
125.60
60.72
9.60a
5.11a
0.25
0.12
T
Sam
500
0.02a
0.10a
46.60
4.00
2.60a
5.44a
0.09
0.22
R
SM
500
0.38a
0.00a
107.90
108.56
9.60a
3.00a
0.22
0.01
T
Mon
1000
1.11a
0.10a
62.20
20.56
12.8a
3.89a
0.06
0.02
T
SA
1000
0.67a
0.00a
192.30
93.89
12.2a
8.56b
0.19
0.09
T
Sam
1000
0.50a
0.00a
124.30
2.16
7.00a
0.15c
0.09
0.11
R
SM
1000
0.44a
0.00a
86.10
108.44
15.3a
6.33a
0.12
0.00
T
Mon
5000
0.33a
0.70c
91.60
9.39
7.20a
4.33a
0.02
0.00
T
SA
5000
0.72a
0.20ab
158.40
90.33
11.9a
5.00a
0.03
0.02
T
Sam
5000
1.00a
0.10a
84.70
13.66
8.50a
6.33a
0.04
0.01
R
SM
5000
0.55a
0.00a
206.00
71.00
9.60a
1.15c
0.02
0.00
T
Sam = Solanum lycopersicum “Samrudhi F1,” Mon = Solanum lycopersicum “Mongal F1,” SM = Solanum macrocarpon, and SA = Solanum aethiopicum (R = resistance and T = tolerance). Means having different letters in a column differed significantly ().