Fitopatógenos interferem de forma negativa na produção e qualidade final dos produtos agrícolas comercializados. O trabalho tem como objetivo verificar o controle alternativo fungos Cercospora beticola sacc, Phytophthora infestans Colletotrichum lindemuthianum, utilizando as doses 0,2; 0,4; 0,6; 0,8 µL mL-1 do óleo essencial guaçatonga, em comparação a testemunha com somente água. Avaliou- se i...

Cercospora beticola Sacc. causes leaf spot diseases of sugar beet (Beta vulgaris L.) (2,19,21), related species in the family Chenopodiaceae (6), and, in recent reports, on safflower (Carthamus tinctorius L.) (11,12) and German statice (Goniolimon tataricum) (3), belonging to plant families outside of the Chenopodiaceae family. Cercospora leaf spot (CLS) is the most important foliar disease of ...

The genus Cercospora consists of numerous important, apparently asexual plant pathogens. We designed degenerate primers from homologous sequences in related species to amplify part of the C. apii, C. apiicola, C. beticola, C. zeae-maydis and C. zeina mating type genes. Chromosome walking was used to determine the full length mating type genes of these species. Primers were developed to amplify ...

Eight species of the genus Cercospora from different localities in Northern provinces of Iran were obtained and examined during spring-autumn 2010. Cercospora acnidae (from Amaranthus chlorostachys var. chlorostachys), C. beticola (from Beta vulgaris), C. iridis (from Iris sp.), C. lactucae-sativae (from Lactuca sativa), C. mercurialis (from Mercurialis annua), C. sorghi (from Sorghum halepense...