Abstract
The effects of plant extracts from fresh leaves of five different plants; Acasiaarabica, Ziziphusspina christi, Eucalyptus camaldulensis, Lawsonia inermis andDalbergia sissoo were evaluated against egg-masses hatching and juvenilemortality of root-knot nematode, Meloidogyne javanica under laboratory conditions.Results revealed that, all treatments extracts had significantly (P < 0.05) reduced inthe hatching of egg-masses. The maximum reduction occurred in Acasia arabicawith the concentration (S) was (97.13%) and the concentration (S/2) was (89.99%),whereas the minimum reduction caused by Ziziphusspina christi with theconcentration (S) was (45.49%) and the concentration (S/2) was (24.63%). Thesame effects of plant extracts against M. javanica juveniles, the most mortality ofsecond stage juveniles was observed in leaf extracts of Acasia arabica, andDalbergiasissoo with the concentration (S) was (100%) as regarding to and theconcentration (S/2) was (100%) in Dalbergia sissoo, while the least in Ziziphusspinachristi with the both concentrations S and S/2 (17.0 and 5.33%), respectively.
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