These days, most of our attention has been focused on the COVID‐19 pandemic, and we have often neglected what is happening in the environment. For instance, the bacterium Xylella fas‐ tidiosa re‐emerged as a plant pathogen of global importance in 2013 when it was first associated with an olive tree disease epidemic in Italy, called Olive Quick Decline Syndrome (OQDS), specifi‐ cally caused by X. fastidiosa subspecies pauca ST53, which affects the Salento olive trees (Apulia, South‐East Italy). This bacterium, transmitted by the insect Philaenus spumarius, is negatively re‐ shaping the Salento landscape and has had a very high impact in the production of olives, leading to an increase of olive oil prices, thus new studies to curb this bacterium are urgently needed. Thidi‐ azuron (TDZ), a diphenylurea (N‐phenyl‐1,2,3‐thiadiazol‐5‐yl urea), has gained considerable atten‐ tion in recent decades due to its efficient role in plant cell and tissue culture, being the most suitable growth regulator for rapid and effective plant production in vitro. Its biological activity against bacteria, fungi and biofilms has also been described, and the use of this low‐cost compound to fight OQDS may be an intriguing idea

Thidiazuron: New Trends and Future Perspectives to Fight Xylella fastidiosa in Olive Trees

Annaluisa Mariconda;Maria Grazia Bonomo;Carmela Saturnino;
2022-01-01

Abstract

These days, most of our attention has been focused on the COVID‐19 pandemic, and we have often neglected what is happening in the environment. For instance, the bacterium Xylella fas‐ tidiosa re‐emerged as a plant pathogen of global importance in 2013 when it was first associated with an olive tree disease epidemic in Italy, called Olive Quick Decline Syndrome (OQDS), specifi‐ cally caused by X. fastidiosa subspecies pauca ST53, which affects the Salento olive trees (Apulia, South‐East Italy). This bacterium, transmitted by the insect Philaenus spumarius, is negatively re‐ shaping the Salento landscape and has had a very high impact in the production of olives, leading to an increase of olive oil prices, thus new studies to curb this bacterium are urgently needed. Thidi‐ azuron (TDZ), a diphenylurea (N‐phenyl‐1,2,3‐thiadiazol‐5‐yl urea), has gained considerable atten‐ tion in recent decades due to its efficient role in plant cell and tissue culture, being the most suitable growth regulator for rapid and effective plant production in vitro. Its biological activity against bacteria, fungi and biofilms has also been described, and the use of this low‐cost compound to fight OQDS may be an intriguing idea
2022
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11563/159388
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