Effect of Meloidogyne incognita on the growth characteristics of Vigna mungo treated with leaf extract of Mimusops elengi
Effect of Meloidogyne incognita on the growth characteristics of Vigna mungo treated with leaf extract of Mimusops elengi
C. Azhagumurugan† and M.K. Rajan
ABSTRACT
The present study was conducted to evaluate the effect of leaf extract of magilam, Mimusops elengi on the root-knot
nematode, Meloidogyne incognita infecting the black gram, Vigna mungo with different inoculums levels (5, 10, 15,
20 and 25 egg-masses/plant) with different concentrations (5, 10, 15, 20 and 25 ppm). The control and treated plants
were analyzed for various growth characteristics such as, root and shoot length, fresh and dry weight of root and
shoot, leaf area, root gall index and chlorophyll content after 65 days. These growth characteristics found decreased
with increasing inoculum levels of egg-masses and increased with increasing concentrations of leaf extract
treatment and fresh and dry weight of root and root gall index found increased with increasing inoculum levels of
egg-masses and decreased with increasing concentrations of leaf extract treatment.
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June 2015
Pakistan Journal of Nematology, Vol. 33, Iss. 1, Pages 1-114
