%0 Journal Article %T INFLUENCE OF NUTRITION MEDIA ON FORMATION OF PERITHECIA OF Diaporthe helianthi (Phomopsis helianthi) Munt.-Cvet. %A Karolina Vrande£¿i£¿ %A Dra£¿enka Jurkovi£¿ %A Jasenka £¿osi£¿ %J Poljoprivreda (Osijek) %D 2009 %I Faculty of Agriculture in Osijek %X Diaporthe helianthi isolates were grown on various media (water agar with various plant tissues, potatoes dextrose agar, malt agar and V-8 juice agar) with the aim to examine media influence on the development of reproductive structures. Isolates were distinguished by whether they form teleomorphic stage or not, and by the number of formed pycnidia and perithecia. Water agar with various plant parts was proved as a suitable media for perithecia production. %K Diaporthe helianthi %K production of reproductive structures %U http://www.pfos.hr/~poljo/sites/default/data/2009_1/1_VRANDECIC.pdf