Abstract:
The study was conducted to test the direct effect of different concentrations (1250, 2500, 5000. 10000 and 15000 ppm) of the abiotic materials, y-amino-n-butyfic acid (GABA), chitosan, salicylic acid and acetyl salicylic acid and the biotic agent, Pseudomonasfluorescens at S, S/2, S/IO, S/20, S/50 and S/IOO for 24, 48 and 72 hr on the mortality percentage of M. incogmta juveniles. Results revealed that the percentages mortality and net moltahty were posltively conelated With the concentrations and exposure peliod of all tested materials.
