Approaches to manage Cucumber Green Mottle Mosaic Virus in commercial greenhouses
Citation
Ellouze, W. (2018) Approaches to manage Cucumber Green Mottle Mosaic Virus in commercial greenhouses. The International CGMMV working group meeting, July 27th. Pre-meeting activity of the International Congress of Plant Pathology (ICPP-2018). The Hilton Boston Back Bay Hotel, Boston, USA.
Plain language summary
Cucumber Green Mottle Mosaic Virus (CGMMV) is an increasing threat to cucumber and potentially other vegetable crops. The damage it causes to cucumbers can be extensive and result in substantial yield losses and a lower market value. The virus is extremely stable and its particles can remain infectious without a living host for several months in crop residues, contaminated soil and on various hard surfaces within the greenhouse under relatively extreme conditions. This unique property of stability combined with its high infectivity through mechanical contact of the foliage, has augmented the economic importance of this virus, because even a few infected plants in a cucumber greenhouse can eventually cause the infection of the total crop. CGMMV disease can cause losses in cucumber production ranging from 5% for light levels of infection up to 25% or more at an advanced stage of infection nearing the end of the cropping cycle. Heavy infections may force growers to terminate their crops early because of unproductiveness and hence reduce the overall profitability of their operations. In the current talk, I would present the multiple approaches that we have used to minimize the impact of the virus, such as surveillance of commercial greenhouses for CGMMV and the use of modern diagnostic molecular and biochemical tools for an early detection of the viral presence, the avoidance of virus inoculum from infected seeds and tools, and also a perpetual control of the CGMMV through the complete inactivation of the virus on contaminated surfaces within the greenhouse.
Abstract
Cucumber Green Mottle Mosaic Virus (CGMMV) is an increasing threat to cucumber and potentially other vegetable crops. The damage it causes to cucumbers can be extensive and result in substantial yield losses and a lower market value. The virus is extremely stable and its particles can remain infectious without a living host for several months in crop residues, contaminated soil and on various hard surfaces within the greenhouse under relatively extreme conditions. This unique property of stability combined with its high infectivity through mechanical contact of the foliage, has augmented the economic importance of this virus, because even a few infected plants in a cucumber greenhouse can eventually cause the infection of the total crop. CGMMV disease can cause losses in cucumber production ranging from 5% for light levels of infection up to 25% or more at an advanced stage of infection nearing the end of the cropping cycle. Heavy infections may force growers to terminate their crops early because of unproductiveness and hence reduce the overall profitability of their operations. In the current talk, I would present the multiple approaches that we have used to minimize the impact of the virus, such as surveillance of commercial greenhouses for CGMMV and the use of modern diagnostic molecular and biochemical tools for an early detection of the viral presence, the avoidance of virus inoculum from infected seeds and tools, and also a perpetual control of the CGMMV through the complete inactivation of the virus on contaminated surfaces within the greenhouse.