Özet:

This study was conducted in the years 2013-2014 in the province of Denizli in Bekilli (Central), Buldan (Chamköy), Çal (Kabalar), South (Aydoğdu, Eziler and Adıgüzel) and Central (Gözler) districts and in the province of Manisa in Salihli (Poyrazdamları and Yeşilova). Survey work was carried out in the provinces of Denizli and Manisa in a total of 29 square fields. In the fields specified, the plants were considered patient-healthy and the symptoms of the disease were recorded and samples were made. The prevalence of the disease has also been determined at the province and district level. A total of 50 insulates were obtained from the plants that indicate root and root throat crust. These isolates under the microscope according to the morphological structures of Aspergillus niger Tiegh., Alternaria spp., Rhizoctonia solani J.G. Macrophomina phaseolina (Tassi) Goid. It is defined. Pre-patogenicity tests result from Alternaria spp. and Aspergillus niger isolat has not caused signs of brownness and dirt in the plant parts and therefore has not been taken to the trials of the seed. All the insulates of the macrophomina phaseolina and Rhizoctonia solani have been identified as pathogens in the crocodile plant, also supported by the tests carried out by trials.

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