Effects of Plant Leaf Extracts on Egg-Masses Hatching and Juveniles Mortality of the Root-Knot Nematode, Meloidogyne Javanica
Journal Title: Egyptian Journal of Agronematology - Year 2017, Vol 16, Issue 1
Abstract
The effects of plant extracts from fresh leaves of five different plants; Acasia arabica, Ziziphusspina christi, Eucalyptus camaldulensis, Lawsonia inermis and Dalbergia sissoo were evaluated against egg-masses hatching and juvenile mortality of root-knot nematode, Meloidogyne javanica under laboratory conditions. Results revealed that, all treatments extracts had significantly (P < 0.05) reduced in the hatching of egg-masses. The maximum reduction occurred in Acasia arabica with the concentration (S) was (97.13%) and the concentration (S/2) was (89.99%), whereas the minimum reduction caused by Ziziphusspina christi with the concentration (S) was (45.49%) and the concentration (S/2) was (24.63%). The same effects of plant extracts against M. javanica juveniles, the most mortality of second stage juveniles was observed in leaf extracts of Acasia arabica, and Dalbergiasissoo with the concentration (S) was (100%) as regarding to and the concentration (S/2) was (100%) in Dalbergia sissoo, while the least in Ziziphusspina christi with the both concentrations S and S/2 (17.0 and 5.33%), respectively.
Authors and Affiliations
A. Aanany, N. Mahmoud
Keywords
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