Articles
The ozone molecule at the service of the grapevine: from the nursery to the vineyard
Article number
1418_20
Pages
159 – 164
Language
English
Abstract
Grafted grapevine plants are affected by several pathogenic fungi at different stages of their production, leading to reduced vigour or even death.
In order to limit conventional chemical treatments, ozone gas can be considered as an interesting alternative.
The ozone molecule has proven its biocidal properties over a wide range of microorganisms and applications.
These biocidal properties and the low remanence of the ozone molecule make it a promising candidate to substitute controversial plant protection products used in agriculture.
This study explores multiple applications of ozone in viticulture, with a focuses on the use of ozonated water during storage of grafted grapevines in nurseries.
Two different trials were conducted: long (25 days) or short (34 h) storage time with three ozone.
Visual observations for the detection of fungi occurrence, assessment of growth recovery and microbiological analysis on rootstock and roots were performed.
Application of ozone gas resulted in a lower incidence and severity of fungi development in all the cases.
Additionally, treated plants showed normal to enhanced growth and an increase in leaf count.
Notably, longer storage periods resulted in more favorable outcomes than shorter periods.
Overall, ozone treatment proves to be an effective strategy to maintain the sanitary quality of young grafted grapevine plants.
In order to limit conventional chemical treatments, ozone gas can be considered as an interesting alternative.
The ozone molecule has proven its biocidal properties over a wide range of microorganisms and applications.
These biocidal properties and the low remanence of the ozone molecule make it a promising candidate to substitute controversial plant protection products used in agriculture.
This study explores multiple applications of ozone in viticulture, with a focuses on the use of ozonated water during storage of grafted grapevines in nurseries.
Two different trials were conducted: long (25 days) or short (34 h) storage time with three ozone.
Visual observations for the detection of fungi occurrence, assessment of growth recovery and microbiological analysis on rootstock and roots were performed.
Application of ozone gas resulted in a lower incidence and severity of fungi development in all the cases.
Additionally, treated plants showed normal to enhanced growth and an increase in leaf count.
Notably, longer storage periods resulted in more favorable outcomes than shorter periods.
Overall, ozone treatment proves to be an effective strategy to maintain the sanitary quality of young grafted grapevine plants.
Publication
Authors
C. Berger, M. Pages, A. Canado, P.-D. Tourette, F. Violleau
Keywords
grapevine, ozone, disinfection
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