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- Growth Inhibition of Fusarium oxysporum f. sp. lycopercisi, the Causal Agent of Tomato Fusarium Wilt Disease by Nanoformulations Containing Talaromyces Flavus
Growth Inhibition of Fusarium oxysporum f. sp. lycopercisi, the Causal Agent of Tomato Fusarium Wilt Disease by Nanoformulations Containing Talaromyces Flavus
Laleh Naraghi, Maryam Negahban, Asghar Heydari, Mohammad Razavi, Homayoun Afshari-Azad
Ekoloji, 2018, Issue 106, Pages: 103-112, Article No: e106006
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Abstract
Remarkable researches in Iran have shown the importance of the Talaromyces flavus antagonist fungus to inhibit the growth of some of the important plant pathogens such as Rhizoctonia solani, Verticillium dahliae and Fusarium oxysporum. According to the results obtained from the previous researches, the commercialization of the bioformulations of this fungus is of particular importance. Since the marketing is considered to be important factor in order to commercialization, consideration of the type of bioformulation with easy application can greatly affect the attraction of relevant consumers and a successful marketing. Therefore, regarding the recent advances in the application of nanotechnology in different sciences, it seems necessary to study different nanoformulations of the mentioned biological agents with an emphasis on the ease of application and their efficacy in biological control of plant diseases. In this study, the preparation of nanoformulations including two types of nanocapsules (F1 and F3), a nano-emulsion (F2) and a powder form (F4) from T. flavus fungus was carried out. Three months after production, experimental evaluations of the effect of different nanoformulations and the formulation prepared based on former technical knowledge (rice bran and T. flavus) on sporulation, active population and efficiency in inhibiting colony growth of some important terrigenous disease agents including Verticillium dahliae, Fusarium oxysporum f. sp lycopersici and Fusarium oxysporum f. sp cucumerinum in a completely randomized design were conducted. These evaluations began three months after the production of nanoformulations and continued at intervals of three months for six months after production.
Keywords
growth inhibition, fusarium oxysporum, nanoformulation
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