A greenhouse experiment was conducted in order to determine the impact of
Datura stramonium, Artemisia herba, Morus nigra, Salix babylonica and Eucalyptus
camaldu/ensis powders singly or integrated with oxamyl on reproduction of R.
reniform is on sunflower cv. Vidoc-5 and the resulting effect on plant growth. Results
indicated that all treatments improved sunflower growth, exceeded that of the
nematode alone. The application of D. stramonium integrated with oxamyl.
accomplished the highest values regarding the percentage of increase of the whole
sunflower plant fresh weight which was amounted to 62.24 %. followed by D.
stramonium alone (45.37 %J, A. herba plus oxarnyl (44.68 %) and E. camaldu/ensis
plus oxamyl (39.51 %). Nematode population density in soil and within sunflower roots
infected with R. reniformis were significantly suppressed in all treatments. Great
suppression in nematode population was recorded with oxamyl giving reduction of
89.72 % followed by D. stramonium integrated with oxarnyt (88. 54 %) and then E.
camaldulensis plus oxamyl (86.96 %). Egg-mass numbers of R. reniformis on
sunflower roots were significantly suppressed in all treatments compared top lants
inoculated with nematode alone.