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    STUDIA BIOLOGIA - Ediţia nr.2 din 2011  
         
  Articol:   PHENOTYPICAL CHARACTERIZATION OF BOTRYTIS CINEREA PERS. STRAINS ISOLATED FROM ORNAMENTAL PLANTS.

Autori:  RALUCA MICLEA, CARMEN EMILIA PUIA. 		 
       
         
  Rezumat:  The pathogenic fungus Botrytis cinerea Pers., found throughout the world, attacks over 250 species of plants. Botrytis cinerea Pers. is responsible for the gray rot of grapes and other fruits and vegetables that can strongly affect crop quality and quantity. The attack occurs on all aerial organs of the plants: stems, leaves, peduncles especially on flowers. Infected tissues are covered by a grayish-white coating, consisting of mycelium and sporulation. Following the attack, tissues soften, become brown in color and dry. The aim of this study was to determine the differences between the dimensions of conidia, number and distribution of sclerotia for several isolates cultivated on two different culture media, Potato Dextrose Agar (PDA) and Czapek. In this experiment, the length and width of 100 conidia from each Botrytis cinerea Pers. isolate were measured. The isolates were obtained from 9 species of ornamental plants: Cyclamen sp., Dahlia sp., Rosa sp., Petunia sp., Geranium sp., Taxus sp., Chrysanthemum sp., Hybiscus sp., and Fucshia sp.

Keywords:Botrytis, conidia, fungus, disease, rot. 		 
         
     
         
         
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