Gibberella fujikuroi (Sawada) Wollenweber, The New Parasitical Fungus on Rice in Region of Kocani
Abstract
The examinations are made in 2004 and 2005 in the rice areas inKocani and in the laboratory of Institute of Southern Crops - Strumica. Manymicroscopic reviews are made on the material of rice plants and based on the symptoms of the disease and the morfological characteristics of the patogen,we came to a conclusion that the parasitic fungus Gibberella fujikuroi(Sawada) Wollenweber, causes the bakanae disease. This species is newpatrasit fungus on rice in Republic of Macedonia.Bakanae is one of the most important rice diseases in Macedonia. Thebakanae fungus is seedborne. Infected seeds may develop reddish discolorationdue to the presence of conidia. An abnormal elongation of the plant is observedin the field. Infected plants are several cm. taller than normal plants. They arethin and yellowish green.In 2004, the estimated loss in yield varied from 2-5 % in epidemicareas of the Kocani, and in 2005 this loss varied from 14-20%.References
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