© Benaki Phytopathological Institute
Resistance of medicinal plants to root-knot nematodes
9
Walker (1995)
considered chamomile a sus-
ceptible host. Fennel was found to be a sus-
ceptible host whereas according to Walker
(1995)
is hyper-susceptible to
M. incognita
race3.
The authors are grateful for financial support
from Yasouj University, Iran.
Literature Cited
Bacetty, A.A., Snook, M.E., Glenn, A.E., Bacon, C.W.,
Nagabhyru, P. and Schardl. C.L. 2009. Toxicity
of endophyte-infected tall fescue alkaloids and
grass metabolites on
Pratylenchus scribneri
.
Phy-
topatology
, 99(12): 1336-1345.
Baida, F.C., Santiago, D.C., Ilkiu Vidal, L. H., Baida, L.C.
and Stroze, C. T. 2011. Medicinal plants hosting
ability for nematode
M. javanica
and
M. incogni-
ta
.
Nematropica
, 41(1): 10-153.
Byrd, D.W., Kirkpatrik, T. and Barker, K.R. 1983. An
improved technique for cleaning and staining
Table 2
. Mean population indices of the root-knot nematode
Meloidogyne javanica
on
ten
species of medicinal plants, 60 days after inoculation under greenhouse conditions.
Medicinal plants
Number of J
2
in soil
Number of
eggs/root
Number of
egg-masses/root
Number of
galls/root
Physalis alkekengi
L.
9525 ± 35.18
c
19514 ± 356
c
148 ± 5.10
cd
161 ± 6.03
de
Matricaria chamomilla
L.
56 ± 7.18
f
184 ± 2.73
e
14 ± 1.79
e
21 ± 1.64
f
Rumex acetosella
L.
37958 ± 859
b
176719 ± 6948
a
786 ± 82.61
a
801 ± 82.85
a
Plantago lanceolata
3143 ± 42.65
e
9306 ± 59
de
344 ± 5.67
b
365 ± 5.43
b
Foeniculum vulgare
Mill.
6619 ± 35.91
d
5104 ± 94.58
e
258 ± 6.57
bc
287 ± 6.69
bc
Anchusa italica
Retz.
72380 ± 244
a
241 ± 8.95
e
98 ± 2.81
de
109 ± 4.32
def
Marrubium vulgare
L.
5670 ± 66.24
d
99109 ± 1901
b
688 ± 20.14
a
734 ± 27.78
a
Levisticum officinale
L.
640 ± 36.51
f
3411 ± 64
e
156 ± 6.51
cd
165 ± 5.09
de
Echinops adenocaulos
Boiss.
0 ± 0
f
364 ± 10.27
e
16 ± 3.20
e
63 ± 10.26
ef
Stachys pilifera
Benth.
919 ± 35.9
f
15506 ± 487
cd
190 ± 7.55
cd
197 ± 8.12
cd
Values in the same column followed by the same letter(s) are not significantly different (p
<
0.01) based on Duncan’s
multiple range test (DMRT). Values are means ± standard error.
Table 3
. Designation of resistance of ten species or aromatic plants to the root-knot nema-
tode
Meloidogyne javanica
based on reproduction factor and gall index.
Medicinal plants
Reproduction factor
Gall Index
Resistance
Physalis alkekengi
L.
5.56 ± 0.08
c
5
S
Matricaria chamomilla
L.
0.05 ± 0.002
d
3
H
Rumex acetosella
L.
39.61 ± 2.92
a
5
S
Plantago lanceolata
2.44 ± 0.006
cd
5
S
Foeniculum vulgare
Mill.
2.28 ± 0.03
cd
5
S
Anchusa italica
Retz.
5.19 ± 0.018
c
5
S
Marrubium vulgare
L.
20.08 ± 0.38
b
5
S
Levisticum officinale
L.
0.30 ± 0.0042
d
5
H
Echinops adenocaulos
Boiss.
0.07 ± 0.002
d
4
H
Stachys pilifera
Benth.
3.16 ± 0.10
cd
5
S
Values in the same column followed by the same letter(s) are not significantly different (p
<
0.01) based on Duncan’s
multiple range test (DMRT). Values are means ± standard error.
Resistance based on Sasser
et al.
(1984): S = Susceptible; H = Hypersusceptible
