The hemibiotrophic fungus Cercospora beticola causes leaf spot of sugar beet. Leaf spot control measures include the application of sterol demethylation inhibitor (DMI) fungicides. However, reduced sensitivity to DMIs has been reported recently in the Red River Valley sugar beet-growing region of North Dakota and Minnesota. Here, we report the cloning and molecular characterization of CbCyp51, ...

The leaf-spot disease of sugar beet caused by Cercospora beticola is of considerable economic importance in these countries where the conditions of high light-intensity (Calpouzos & Stallknecht, 1967) and relative humidity (Pool Rr McKay, 1916) favour spore germination and the establishment of infection. High light-intensity greatly increases carbohydrate exudation from leaves (Tukey et al., 19...

Pjegavost lista, koju uzrokuje gljiva Cercospora beticola, najzna?ajnija je bolest koja se javlja na še?ernoj repi u svim podru?jima uzgoja i zna?ajne ekonomske štete. Pjege, kao tipi?ni simptomi ove bolesti, naj?eše?e su veli?ine 2-5 mm, svjetlije sredine tamnijeg ruba. Prvo javljaju starijim listovima, ali kako napreduje pjege šire mla?e listove. Najvažnije mjere zaštite podrazumijevaju uništ...

The intercellular washing fluid (IWF) from leaves of sugar beet (Beta vulgaris L.) contains a number of proteins exhibiting in vitro antifungal activity against the devastating leaf pathogen Cercospora beticola (Sacc.). Among these, a potent antifungal peptide, designated IWF4, was identified. The 30-amino-acid residue sequence of IWF4 is rich in cysteines (6) and glycines (7) and has a highly ...