Influence of fitotoxic metabolites of Altenaria porri (Ellis) Ciferri on plants and calluses of Allium sativum L., aimed to the fitoimprovement
2003
Yiliam González Moya | Ramón Santos Bermúdez | Bárbara Campanioni González | Lidcay Herrera Isla | Ricardo Hernández Pérez | Xiomara Rojas Moya
In order to obtain phytotoxic metabolites from Alternaria porri and to know their influences on garlic plants and calli in plant breeding for resistanse to alternariosis, a research was carried out. Filtrates were obtained in Fries medium 30 days after fungus incubation which was statically cultivated at 28±1 0C and constant darkness. Biological assays using several filtrate concentrations were developed in garlic plants of different ages (clone ‘Criollo’) through punture method and also in garlic calli (clone ‘Chileno’). The highest phytotoxic effect was observed in 110 days old plants when they were inoculated with filtrates concentrated at 70% initial volume. Calli showed weight losses and changed their coloration when filtrate was concentrated above 40%.Key Words: Allium sativum, In vitro selection, Plant breeding
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