Reducing the Risk of Phylloxera Transfer on Viticultural Waste and Machinery

Korosi, G.A.; Trethowan, C.J.; Powell, Kevin

doi:10.17660/actahortic.2009.816.8

Cited by 9 publications

(5 citation statements)

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“…The other plausible explanation is that phylloxera is controlled by the predominant flood irrigation, which encourages wide‐spread rooting, allows roots to escape infestation and at the same time drowns phylloxera reducing their populations in the rhizosphere. Nonetheless, Korosi et al () showed that phylloxera can survive submerged under water for a maximum of 5 days at 25°C. In Argentina, this may radically change, given the introduction of drip irrigation systems in the 1990s.…”

Section: Introductionmentioning

confidence: 99%

Grape phylloxera (Daktulosphaira vitifoliaeFitch) in Argentina: ecological associations to diversity, population structure and reproductive mode

Arancibia

Riaz

Agüero

et al. 2018

Australian Journal of Grape and Wine Research

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Background and Aims: The North American insect pest grape phylloxera was introduced into Europe in the 19th century and devastated the Vitis vinifera-based vineyards. It has since become widely distributed among the world's vineyards. Although it is present in Argentina, it has not caused any major damage. This work aims: to characterise the genetic diversity of Argentinean phylloxera; to determine population structure and reproductive mode; to compare Argentinean genotypes with samples from seven other countries; and to examine relationships between the infestation level and genetic profile with ecological factors. Methods and Results: One hundred and twenty-nine samples of phylloxera from Argentinean provinces were analysed with 21 microsatellite markers. Seventeen multilocus genotypes were identified. Unweighted pair group method with arithmetic mean analysis identified two major groups. Principal coordinates analysis grouped together Peruvian, California biotypes A and B and Argentinean phylloxera, showing dissimilarity with other foreign samples. Associations between infestation level, berry colour and climatic region, and associations between genetic clusters and climatic region were established. Conclusions: Endemic Argentinean phylloxera genotypes showed genetic diversity and were different from other samples assessed. Parthenogenesis is proposed as the main reproductive mode, but rare sexual reproduction is not ruled out. No particular structure was observed in the phylloxera populations. Significance of the Study: This is the first detailed report on the genetic characterisation of phylloxera populations in Argentina using microsatellites markers. It provides the foundation for further studies.

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Section: Introductionmentioning

confidence: 99%

Grape phylloxera (Daktulosphaira vitifoliaeFitch) in Argentina: ecological associations to diversity, population structure and reproductive mode

Arancibia

Riaz

Agüero

et al. 2018

Australian Journal of Grape and Wine Research

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“…1996, Fisher and Albrecht 2003, Makee 2004) have focused more on the optimum conditions for feeding site establishment, development rate, survival and reproduction of grape phylloxera populations of different geographical origin rather than its potential use as a disinfestation procedure. There is limited data on phylloxera response to elevated temperatures above 30°C, and these have focused only on a geographic population (Buchanan 1990), a single‐sourced genetic variant of grapevine phylloxera (Korosi et al. 2009) or under green waste composting conditions (Bishop et al.…”

Section: Introductionmentioning

confidence: 99%

Influence of temperature and humidity on mortality of grapevine phylloxera Daktulosphaira vitifoliae clonal lineages: a scientific validation of a disinfestation procedure for viticultural machinery

Korosi

Mee

Powell

2011

Australian Journal of Grape and Wine Research

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Background and Aims: Grape phylloxera, Daktulosphaira vitifoliae (Fitch), is a significant insect pest of grapevines and can cause mild to severe economic damage to ungrafted European grapevine, Vitis vinifera L., depending on the insect clonal type. Dry heat treatment is currently recommended as a disinfestation method to restrict the spread of phylloxera to uninfested vineyards on viticultural machinery. Methods and Results: G1 and G4 first instar grape phylloxera clones were subjected to two relative humidity (30 and 100%) and four temperature (30, 35, 40 and 45°C) treatment combinations to find the optimal temperaturehumidity combination to achieve 100% phylloxera mortality over the shortest time period. Conclusions: One hundred per cent mortality of two phylloxera clonal strains was achieved at 45°C for 75 min at 30% relative humidity. Some differences in clonal susceptibility to temperature and humidity treatments were observed. Significance of the Study: A novel screening method was developed, which validated the nationally recognised dry heat disinfestation protocol for grape phylloxera. The study also highlighted that different clonal lineages of phylloxera are influenced by both temperature and humidity.

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“…Environmental vectors such as the prevailing wind and the direction of irrigation and water flow also increase the potential for phylloxera movement in particular directions . After phylloxera has infested a new area, its spread is dependent on interactions between the phylloxera genotypes, vine type (rootstock or own roots), environmental conditions, such as temperature and soil properties, in the area, and the movement via human and environmental vectors.…”

Section: Methodsmentioning

confidence: 99%

Accounting for spatially heterogeneous conditions in local‐scale surveillance strategies: case study of the biosecurity insect pest, grape phylloxera (Daktulosphaira vitifoliae (Fitch))

Triska

Powell

Collins

et al. 2018

Pest Management Science

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Targeting surveillance strategies based on local-scale spatial heterogeneity can decrease the time to detection without increasing the survey cost, and surveillance that targets highly suitable soil is the most efficient strategy for detecting new incursions. In addition, combining targeted surveillance strategies with buffer zones and hygiene procedures, and updating surveillance strategies as additional species information becomes available, will further decrease the risk of pest spread. © 2018 Society of Chemical Industry.

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Reducing the Risk of Phylloxera Transfer on Viticultural Waste and Machinery

Cited by 9 publications

References 0 publications

Grape phylloxera (Daktulosphaira vitifoliaeFitch) in Argentina: ecological associations to diversity, population structure and reproductive mode

Grape phylloxera (Daktulosphaira vitifoliaeFitch) in Argentina: ecological associations to diversity, population structure and reproductive mode

Influence of temperature and humidity on mortality of grapevine phylloxera Daktulosphaira vitifoliae clonal lineages: a scientific validation of a disinfestation procedure for viticultural machinery

Accounting for spatially heterogeneous conditions in local‐scale surveillance strategies: case study of the biosecurity insect pest, grape phylloxera (Daktulosphaira vitifoliae (Fitch))

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