The root-knot nematode Meloidogyne javanica is a serious pest
problem in AI-Qassim vegetable and agronomic production systems. Camel
urine was tested as a nematicide against this plant parasitic nematode on
eggplant under greenhouse conditions. Camel urine was weekly applied as
soil drench with irrigation water at rates of 0, 2, 4, 6, 8, and 10%. Camel urine
treatments significantly reduced numbers of galls and egg masses per root
system compared to untreated control. Also, urine treatments supported a
higher plant growth compared to untreated plants. There was a negative linear
relationship between urine concentration and number of galls and egg masses.
The results indicated that the treatments with 8 and 10% urine gave the best
results in terms of reduced numbers of galls and egg masses per root system.
However. data showed that there was non linear relationship between urine
concentration and plant gr.owth. Concentrations over 6% are not
recommended.