Damage induced by root-knot nematodes and its alleviation by vesicular arbuscular mycorrhizal fungi in roots of Luffa cylindrica
Damage induced by root-knot nematodes and its alleviation by vesicular arbuscular mycorrhizal fungi in roots of Luffa cylindrica
N. Hajra, F. Shahina1, †, K. Firoza1 and R. Maria
ABSTRACT
The effect of vesicular arbuscular mycorrhizal (VAM) fungi inoculated with nematodes in roots of Luffa cylindrica
(L.) Roem was studied under greenhouse conditions. Six treatments were used; viz., C = Control, T1 = VAM only,
T2 = nematodes only, T3 = VAM and nematodes simultaneously, T4 = VAM fungi one week before nematodes and
T5 = VAM fungi one week after nematodes. Damage produced by nematodes was observed in T2 and T5, vascular
tissue obliterated by root-knot nematodes. However, VAM fungi suppressed the effects of root-knot nematodes in
T4. Giant cells, egg-masses and females of nematodes were observed in T2, T5 and to some extent in T3. VAM fungi
spores were seen in cortical as well as in pith region of root in T3.
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June 2015
Pakistan Journal of Nematology, Vol. 33, Iss. 1, Pages 1-114
