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Disinfection Efficacy of Tobamovirus-Contaminated Soil in Greenhouse-Grown Crops
Year:
2022
Source of publication :
Horticulturae (journal)
Authors :
Dombrovsky, Aviv
;
.
Lachman, Oded
;
.
Smith, Elisheva
;
.
Volume :
6
Co-Authors:

Aviv Dombrovsky

Netta Mor

Shelly Gantz

Oded Lachman

Elisheva Smith

 

Facilitators :
From page:
0
To page:
0
(
Total pages:
1
)
Abstract:

The tobamoviruses tomato brown rugose fruit virus (ToBRFV) and cucumber green mottle mosaic virus (CGMMV) have caused severe crop damages worldwide. Soil-mediated dispersion of the mechanically transmitted tobamoviruses constitute a major hindrance toward mitigating disease spread in crops carefully planted under sanitized conditions. Tobamoviruses are viable for months in soil and plant debris and for more than a year adhere to clay. However, a low percentage of infectious foci occur in soil following a tobamovirus-infected growing cycle, rendering disinfection studies of several contaminated plots inconclusive for large-scale crop productions. We have therefore formulated a rigorous platform for studying disinfectant efficacy in greenhouses by pouring a virus inoculum to planting pits prior to disinfectant treatment and by truncating seedling roots before planting, which was otherwise conducted under sanitized conditions. We have found that chlorine-based Taharan was significantly efficient in preventing disease spread of ToBRFV and CGMMV in tomato and cucumber plants, respectively. KlorBack was often as good as Taharan. In addition, a formulation of chlorinated tri-sodium phosphate used at a nonphytotoxic 3% concentration showed disinfection efficiency similar to Taharan effect on ToBRFV infection only. Our study provided a small-scale platform for disinfectant efficacy evaluation necessary for application in tobamovirus-contaminated soil, which commonly occurs in commercial tomato and cucumber greenhouses. 

Note:
Related Files :
CGMMV
Soil-borne viruses
ToBRFV
Show More
Related Content
More details
DOI :
10.3390/horticulturae8070563
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
60277
Last updated date:
13/07/2022 13:23
Creation date:
13/07/2022 13:23
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Scientific Publication
Disinfection Efficacy of Tobamovirus-Contaminated Soil in Greenhouse-Grown Crops
6

Aviv Dombrovsky

Netta Mor

Shelly Gantz

Oded Lachman

Elisheva Smith

 

Disinfection Efficacy of Tobamovirus-Contaminated Soil in Greenhouse-Grown Crops

The tobamoviruses tomato brown rugose fruit virus (ToBRFV) and cucumber green mottle mosaic virus (CGMMV) have caused severe crop damages worldwide. Soil-mediated dispersion of the mechanically transmitted tobamoviruses constitute a major hindrance toward mitigating disease spread in crops carefully planted under sanitized conditions. Tobamoviruses are viable for months in soil and plant debris and for more than a year adhere to clay. However, a low percentage of infectious foci occur in soil following a tobamovirus-infected growing cycle, rendering disinfection studies of several contaminated plots inconclusive for large-scale crop productions. We have therefore formulated a rigorous platform for studying disinfectant efficacy in greenhouses by pouring a virus inoculum to planting pits prior to disinfectant treatment and by truncating seedling roots before planting, which was otherwise conducted under sanitized conditions. We have found that chlorine-based Taharan was significantly efficient in preventing disease spread of ToBRFV and CGMMV in tomato and cucumber plants, respectively. KlorBack was often as good as Taharan. In addition, a formulation of chlorinated tri-sodium phosphate used at a nonphytotoxic 3% concentration showed disinfection efficiency similar to Taharan effect on ToBRFV infection only. Our study provided a small-scale platform for disinfectant efficacy evaluation necessary for application in tobamovirus-contaminated soil, which commonly occurs in commercial tomato and cucumber greenhouses. 

Scientific Publication
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