Study Of Mosaic Disease On Pepper Plant In EL-Marj County Of Green Mountain District


  • Yunis Ali Taib Department of Plant Protection, Faculty of Agriculture, Omar Al-Mukhtar University, PO Box 919 Al-Bayda - Libya.
  • Omar Mussa Alsanousi Department of Plant Protection, Faculty of Agriculture, Omar Al-Mukhtar University, PO Box 919 Al-Bayda - Libya.
  • Fathi S. El-Musmary Department of Horticulture, Faculty of Agriculture, Omar Al-Mukhtar University, Al-Bayda, Libya.



Mosaic Disease, Pepper Plant , EL-Marj, Libya


Asurvey conducted during spring 2000 of the diseases affecting pepper cultivars grown in EL-Marj county of Green mountain district, revealed a wide spread of viral diseases. Its symptoms was manifested as dwarfing of infected plants, mosaic, chlorosis and vein banding of the leaves. The virus was readly transmitted to healthy plants by mechanical inoculation and Green peach aphids in non-pesistent manner. Preliminary studies on physical properties, host range, differential hosts and cytopathological alteration indicates that the virus has a thermal inactivation point (TIP) of 60C°, a dilution end point (DEP) of 5× 10-3 – 5× 10-4 , longevity in vitro (LIV) of 11 days, infecting only solanaecious plants including, Datura metel several pepper cultivars and some tobacco species among the 36 different plant species and cultivars assyed and has a flexuous virus particles and pin-wheel inclusion bodies in thin sections of infected tissues, a characteristic feature of poty virus group. Serological studies using indirect ELISA technique confirmed the association of potato virus Y (PVY) with the disease syndrome. Screening of pepper varities for resistance and susceptibility showed that none of commonly grown cultivars was immune to infection.


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How to Cite

Taib, Y. A., Alsanousi, O. M., & El-Musmary, F. S. (2001). Study Of Mosaic Disease On Pepper Plant In EL-Marj County Of Green Mountain District. Al-Mukhtar Journal of Sciences, 8(1), 69–88.



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