RAHMOUNE, MOHAMMED EL AMINE2023-10-292023-10-292023https://dspace.univ-ghardaia.edu.dz/xmlui/handle/123456789/6597Cryptogamic diseases cause serious problems affecting various crops, The main objective of this study is a bibliographic synthesis of some works on cryptogamic diseases in our region Three works were consulted in order to identify various fungal diseases, they are investigations carried out in situ and in the laboratory. The results have led to the emergence of fungal diseases again on these areas despite the chemical treatments due to climatic conditions and the lack of awareness also, so we must exercise caution and find the best and most effective ways to resist and fight them. Finally, the Ghardaïa region is an excellent agricultural gain and a huge economic source, agricultural interests must find appropriate solutions and make producers and peasants more aware of the preservation of this plant wealthsynthèse bibliographie, maladies cryptogamiques, Sahara septentrional, Ghardaïa, lutte.bibliography synthesis, cryptogamic diseases, Northern Sahara, Ghardaïa, struggle