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Fusarium wilt biocontrol and tomato growth stimulation, using endophytic bacteria naturally associated with Solanum sodomaeum and S. bonariense plants by Rania Aydi-Ben-Abdallah; Hayfa Jabnoun-Khiareddine; Mejda Daami-Remadi is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract ## Background Fusarium wilt biocontrol using endophytic microorganisms may represent a potentially attractive and environmentally safe alternative since endophytes could better limit disease incidence and severity through inhibition of the systemic fungus progress. ## Main body of the abstract Twenty-three endophytic bacterial isolates, naturally associated with Solanum sodomaeum and Solanum bonariense, were evaluated for their ability to control Fusarium wilt of tomato induced by Fusarium oxysporum f. sp. lycopersici (FOL) and to promote plant growth. Selected endophytic isolates were screened in vivo, using the root dipping and the culture substrate drenching methods. The most bioactive isolates were subjected to morphological and biochemical characterization and subsequent identification through 16S rDNA sequencing genes. Seven isolates (Stenotrophomonas maltophilia S23, S24, S26 and S28; Bacillus sp. SV81; Azotobacter chroococcum S11; and Serratia marcescens S14) were found to be the most efficient in reducing disease severity by 82–96% over control. Treatments with these isolates led to a significant enhancement in growth parameters, estimated at 45.5–61 and 24.2–7

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Author

Rania Aydi-Ben-Abdallah; Hayfa Jabnoun-Khiareddine; Mejda Daami-Remadi

Publisher

Springer (Biomed Central Ltd.); Springer Science and Business Media LLC; Cairo University (ISSN 2536-9342)

Published

2020

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)