Author: H.A. Osman’. M.M.A. Youssef. A.Y. El-Gindi”. H.H. Ameen. N.A. Abd-Elbary” and A.M.S. Lashein

Publishing Date: 2013

E-ISSN: 0255-7576

Volume: 31 Issue: 1


The study Has conducted to test the direct effect of different concentrations (1250. 2500. 5000. 10000 and 15000 ppm) of the abiotic materials. y-amino-n-butyric acid (GABA). chitosan. salicylic acid and acetyl salicylic acid and the biotic agent. Pseadomonasfluorescens at S. S/2. S/10. S/20. S/50 and S/100 for 24.45 and 72 hr on the mortality percentage of M. incognita juveniles. Results revealed that the percentages mortality and net mortality were positively correlated with the concentrations and emosure period of all tested materials.

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