What do we really know on the harmfulness of Cryptoblabes gnidiella (Millière) to grapevine? From ecology to pest management

Lucchi, Andrea; Ricciardi, Renato; Bagnoli, B.

doi:10.1007/s12600-018-0705-3

Cited by 7 publications

(11 citation statements)

References 16 publications

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“…Routine scouting of vineyard blocks for both virus symptoms and potential vectors such as mealybugs and scale insects should be done to minimize disruption to vine productivity and reduce economic losses associated with virus-related diseases. A combination of systemic and contact insecticides to control mealybugs and scales, in particular at the early stage in the lifecycle, i.e., first and second instar nymphs, or the use of biological control agents, e.g., parasitoids and mating disruption (pheromone traps), can be effective in minimizing the spread of GVA and GLRaV-3 in vineyards [ 94 ]. The use of fungicides such as sulphur applied at high rates in vineyards for the chemical control of powdery mildew ( Erysiphe necator ) may indirectly contribute to increases in virus vector populations via their negative effects on parasitoids [ 95 ].…”

Section: Management Of Shiraz Disease and Grapevine Leafroll Diseamentioning

confidence: 99%

Virus Pathogens in Australian Vineyards with an Emphasis on Shiraz Disease

Habili

Constable

et al. 2020

Viruses

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Grapevine viruses are found throughout the viticultural world and have detrimental effects on vine productivity and grape and wine quality. This report provides a comprehensive and up-to-date review on grapevine viruses in Australia with a focus on “Shiraz Disease” (SD) and its two major associated viruses, grapevine virus A (GVA) and grapevine leafroll-associated virus 3 (GLRaV-3). Sensitive grapevine cultivars like Shiraz infected with GVA alone or with a co-infection of a leafroll virus, primarily GLRaV-3, show symptoms of SD leading to significant yield and quality reductions in Australia and in South Africa. Symptom descriptors for SD will be outlined and a phylogenetic tree will be presented indicating the SD-associated isolates of GVA in both countries belong to the same clade. Virus transmission, which occurs through infected propagation material, grafting, and naturally vectored by mealybugs and scale insects, will be discussed. Laboratory and field-based indexing will also be discussed along with management strategies including rogueing and replanting certified stock that decrease the incidence and spread of SD. Finally, we present several cases of SD incidence in South Australian vineyards and their effects on vine productivity. We conclude by offering strategies for virus detection and management that can be adopted by viticulturists. Novel technologies such as high throughput sequencing and remote sensing for virus detection will be outlined.

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Section: Management Of Shiraz Disease and Grapevine Leafroll Diseamentioning

confidence: 99%

Virus Pathogens in Australian Vineyards with an Emphasis on Shiraz Disease

Habili

Constable

et al. 2020

Viruses

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“…Compared to the deployment of passive dispensers, aerosol delivery systems have the advantage of being faster and cheaper to apply.Aerosol devices offer a better protection of the pheromone active ingredient from environmental degradation.Targeting multiple pest species is easier with aerosol devices compared to passive dispensers, pending comparable daily activity of the targeted pests.MD aerosol devices can be programmed to release pheromone for short durations when the target pest is active (e.g., L. botrana ) [69]. Aerosol delivery systems can help to finely tune pheromone release rates over time; this could be important for pests characterized by a low population density during the early season, then growing over time (e.g., the honeydew moth, Cryptoblabes gnidiella (Millière) (Pyralidae) [76]. Modern digital electronic and information technologies will support the improvement of efficacy by helping the deployment, failure control, and optimization of pheromone release.…”

Section: Conclusion and Challenges For Future Researchmentioning

confidence: 99%

“…Aerosol delivery systems can help to finely tune pheromone release rates over time; this could be important for pests characterized by a low population density during the early season, then growing over time (e.g., the honeydew moth, Cryptoblabes gnidiella (Millière) (Pyralidae) [76].…”

Section: Conclusion and Challenges For Future Researchmentioning

confidence: 99%

Sex Pheromone Aerosol Devices for Mating Disruption: Challenges for a Brighter Future

Benelli

Lucchi

Thomson³

et al. 2019

Insects

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Pheromone-mediated mating disruption (MD) represents an important tool to manage insect pests in agriculture and forestry. MD relies on the release of synthetic sex pheromones from dispensers in crops, interfering with mate finding and reproduction of a pest through both competitive and non-competitive mechanisms. MD programs primarily rely upon “passive” dispensers, used at high densities per hectare (200–3000 units∙ha−1). In addition to the labor required for their application, another disadvantage of “passive” dispensers is the continuous release of pheromones, regardless of the time of day or the pest flight activity. Aerosol delivery systems can overcome the drawbacks of passive dispensers as they are applied at far lower density (2–5 units∙ha−1) and they can be programmed to release pheromones at selected time intervals when the target pest is active. However, the mode of action of aerosol dispensers is still not well understood and there are concerns of whether they are as effective as passive dispensers. This review focuses on the history of aerosol dispensers, mode of action, and effectiveness on various crops; deployment strategies; and the movement of pheromone once released. Limitations of aerosols and challenges for future research and commercial use are discussed.

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“…In recent years, the honeydew moth (HM), Cryptoblabes gnidiella (Millière, 1867) (Lepidoptera, Pyralidae, Phycitinae), has become one of the most harmful moths in Mediterranean vineyards, raising concerns about the damage caused to ripening grapes [ 1 , 2 , 3 ]. Native to the Mediterranean basin, this moth is highly polyphagous, feeding on about 60 different plant species, and it has been recorded in several African and Asian countries, as well as in India, New Zealand, Hawaii, and North and South America [ 1 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

“…Although widespread throughout the Mediterranean area, the HM has never been considered a key pest of vineyards, since it usually occurred at low density [ 1 , 3 ], and its impact on yield has been regarded as negligible compared to that of major vineyard pests, such as the European grapevine moth, Lobesia botrana (Denis & Schiffermüller) (Lepidoptera: Tortricidae), or the vine mealybug, Planococcus ficus (Signoret) (Hemiptera: Pseudococcidae) [ 5 , 6 , 7 , 8 ]. Most likely because of the increase in average temperatures, the economic impact of the HM in vineyards throughout the Mediterranean basin has been growing rapidly over the last decade [ 3 ]. In the warmer coastal vineyards of central and southern Italy, as well as in Provence (southern France), the HM has already been reported to cause severe losses in late-ripening grapes, e.g., Aglianico, Montepulciano, Sangiovese, or Grenache [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

Mating Disruption for Managing the Honeydew Moth, Cryptoblabes gnidiella (Millière), in Mediterranean Vineyards

Ricciardi

Giovanni

Cosci

et al. 2021

Insects

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The demand for a reduced use of pesticides in agriculture requires the development of specific strategies for managing arthropod pests. Among eco-friendly pest control tools, pheromone-based mating disruption (MD) is promising for controlling several key insect pests of economic importance, including many lepidopteran species. In our study, we evaluated an MD approach for managing the honeydew moth (HM), Cryptoblabes gnidiella, an emerging threat for the grapevine in the Mediterranean basin. The trials were carried out in two study sites, located in Tuscany (central Italy, years 2017–2019) and Apulia (southern Italy, years 2016 and 2018–2019), and by applying MD dispensers only in April, in April and July, and only in July. To evaluate the effects of MD, infested bunches (%), damaged area (%) per bunch, and number of living larvae per bunch were compared among plots covered with MD dispensers, insecticide-treated plots (Apulia only), and untreated control plots. Male flights were monitored using pheromone-baited sticky traps. Except for the sampling carried out in Tuscany in 2018, where HM infestation level was very low, a significant difference was recorded between MD and control plots, both in terms of HM damage caused to ripening grapes and/or number of living larvae per bunch. Overall, our study highlighted that MD, irrespective of the application timing, significantly reduced HM damage; the levels of control achieved here were similar to those obtained with the application of insecticides (no MD). However, MD used as stand-alone strategy was not able to provide complete pest control, which may instead be pursued by growers with an IPM approach.

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What do we really know on the harmfulness of Cryptoblabes gnidiella (Millière) to grapevine? From ecology to pest management

Cited by 7 publications

References 16 publications

Virus Pathogens in Australian Vineyards with an Emphasis on Shiraz Disease

Virus Pathogens in Australian Vineyards with an Emphasis on Shiraz Disease

Sex Pheromone Aerosol Devices for Mating Disruption: Challenges for a Brighter Future

Mating Disruption for Managing the Honeydew Moth, Cryptoblabes gnidiella (Millière), in Mediterranean Vineyards

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