Occurrence of citrus brown and black spot diseases and their control using pre-harvest approaches
Biosci. j. (Online)
;
38: e38098, Jan.-Dec. 2022. ilus, tab, graf
Artículo
en Inglés
| LILACS
| ID: biblio-1415854
ABSTRACT
Mild brown and black spot diseases symptoms were detected on citrus varieties, Valencia and Navel fruits during season 2018 in some citrus orchards at North Egypt. Collected diseased fruit samples revealed isolation of Alternaria alternata and Phyllosticta citricarpa (McAlpine) van der Aa. Some organic acids, salts and Saccharomyces cerevisiae were evaluated against the diseases incidents in vitro and in vivo. Complete growth inhibition was recorded for fungi tested at 2g/L of salicylic acid, Potassium dihydrogen phosphate, Tri-Sodium polyphosphate and 2.5 g/L of S. cerevisiae. All pre-harvest treated Valencia trees, inoculated fruits revealed no diseases symptoms up to 10 days of storage period. Meanwhile, S. cerevisiae and salicylic acid treatments had extended protective effect up to 20 days. Control strategy through spraying Valencia orange trees with yeast or some organic acids and salts as pre-harvest approaches should be taken in consideration especially these diseases began to occur in North region of Egypt.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Citrus
/
Ácidos Orgánicos
/
Cercospora
Idioma:
Inglés
Revista:
Biosci. j. (Online)
Asunto de la revista:
Agricultura
/
Disciplinas das Cincias Biol¢gicas
/
Pesquisa Interdisciplinar
Año:
2022
Tipo del documento:
Artículo
País de afiliación:
Egipto
Institución/País de afiliación:
National Research Centre/EG
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