A risk framework for using systems approaches to manage horticultural biosecurity risks for market access

Klinken, Rieks D. van; Fiedler, Kathryn; Kingham, L.; Collins, Kerry; Barbour, Darryl

doi:10.1016/j.cropro.2019.104994

Cited by 25 publications

(11 citation statements)

References 15 publications

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“…Fruit quality information is not yet available for finger limes for heat treatment or irradiation. The development of a systems approach is an alternative to a stand-alone postharvest treatment and systems approaches are often developed around the fruit being a poor or rarely infested host [6,26]. A systems approach integrates multiple independent phytosanitary measures to cumulatively provide quarantine security [27].…”

Section: Discussionmentioning

confidence: 99%

Poor Host Status of Australian Finger Lime, Citrus australasica, to Ceratitis capitata, Zeugodacus cucurbitae, and Bactrocera dorsalis (Diptera: Tephritidae) in Hawai’i

Follett

Asmus

Hamilton

2022

Insects

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We examined the host status of the Australian finger lime, Citrus australiasica F. Muell. (Rutaceae), to Hawai’i’s tephritid fruit fly pests using laboratory and field studies. In high-density (500 flies, 1;1 males and females) no-choice cage exposures (25 × 25 × 25-cm cage size), both undamaged and punctured finger limes were infested by Ceratitis capitata and Zeugodacus cucurbitae at a low rate compared to papaya controls, whereas Bactrocera dorsalis did not infest undamaged fruit, suggesting finger lime is a nonhost. In low-density (50 females) no-choice cage exposures, C. capitata and Z. cucurbitae readily oviposited in undamaged fruit but individuals rarely developed to the pupal or adult stage. For C. capitata, 274 finger limes exposed to 2000 gravid females, which laid an estimated 14,384 eggs, produced two pupae and no adults. For Z. cucurbitae, 299 fruit exposed to 2000 gravid females, which laid an estimated 4484 eggs, produced four pupae and one adult. Field sampling of undamaged fruit from the tree and off the ground from commercial farms produced five C. capitata pupa and one adult from 1119 fruit, for an infestation rate of 0.05 flies per kilogram of fruit; field collections found no natural Z. cucurbitae or B. dorsalis infestation, but the number of fruit available was too low to demonstrate nonhost status with a high degree of confidence.

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Section: Discussionmentioning

confidence: 99%

Poor Host Status of Australian Finger Lime, Citrus australasica, to Ceratitis capitata, Zeugodacus cucurbitae, and Bactrocera dorsalis (Diptera: Tephritidae) in Hawai’i

Follett

Asmus

Hamilton

2022

Insects

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“…Recently, NSW adopted a much sparser trapping network than was previously used, with traps deployed no closer than 5 km apart everywhere, including in urban areas. No exotic fruit flies have been detected in NSW in the last 20 years ( Dominiak 2020 ) and risk management practices have improved markedly (e.g., Dominiak 2019 , van Klinken et al 2020 ). Current thinking is that fruit fly incursions into NSW are most likely to be linked to travelers moving small quantities of fruit, with a resultant low chance of establishment ( Maelzer 1990 , Dominiak and Coombes 2009 ).…”

Section: Relative Trapping Effortmentioning

confidence: 99%

Review of surveillance systems for tephritid fruit fly threats in Australia, New Zealand, and the United States

Kean,

Manoukis,

Dominiak

2023

Journal of Economic Entomology

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Many countries conduct fruit fly surveillance but, while there are guidelines, practices vary widely. This review of some countries in the Pacific region demonstrates the diversity of fruit fly surveillance practices. All utilize 3 parapheromones—trimedlure, cuelure, and methyl eugenol—to trap adult male fruit flies. Some target species are not attracted to these compounds so other attractants such as food-based lures are used in certain areas or circumstances. Lure loading and replacement cycles depend on the target species and the local climate. Malathion and dichlorvos (DDVP) are commonly used toxicants, but not in all countries, and other toxicants are being developed to replace these older-generation pesticides. Jackson and Lynfield are commonly used trap designs but newer designs such as cone and Biotrap are being adopted. Local factors such as chemical registrations and climate affect the choice of trap, lure, dispenser, toxicant, and bait concentration. These choices affect the efficacy of traps, in turn influencing optimal trap deployment in space and time. Most states now follow similar practices around trap inspection, servicing, and data handling, but these processes will be disrupted by emerging automated trap technologies. Ultimately, different practices can be attributed to the unique fruit fly risk profiles faced by each state, particularly the suite of fruit flies already present and those that threaten from nearby. Despite the diversity of approaches, international trade in fruit continues with the assurance that fruit fly surveillance practices evolve and improve according to each country’s risk profile and incursion experience.

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“…Van Klinken et al [117] collated and analyzed 60 protocols for implementing systems approaches in international and inter-state trade, and concluded that Moore et al [116] presented the most comprehensive quantitative analysis of the efficacy of a systems approach, using empirical data from pre and postharvest measures to estimate the proportion of fruit packed for export that could be infested. However, in a subsequent study, the systems approach was revised and further improved, based on the outcome of a validation study [105].…”

Section: Systems Approach: a Way To Reduce Risk Of Stand-alone Postha...mentioning

confidence: 99%

Postharvest Disinfestation Treatments for False Codling Moth and Fruit Flies in Citrus from South Africa

Moore

Manrakhan

2022

Horticulturae

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South Africa is the 13th largest producer and second largest exporter of citrus fruit globally. The false codling moth, Thaumatotibia leucotreta, and the fruit flies, Ceratitis capitata, C. rosa and Bactrocera dorsalis, can potentially infest citrus fruit and therefore pose a phytosanitary risk for export markets. Consequently, a wide range of postharvest phytosanitary treatments for disinfestation of citrus fruit from these pests have been investigated. These include cold treatments, irradiation, fumigation, heat treatments, and combinations of some of these. Due to the potential phytotoxic effects of all these treatments, the use of a systems approach that depends on two or more independent measures for acceptable phytosanitary risk mitigation is a preferable option. To date, the only postharvest disinfestation treatments used commercially for T. leucotreta and fruit flies for South African citrus, are stand-alone cold treatments and partial cold treatments, as a component in a multi-tiered systems approach. Research on development of novel and improvement of existing postharvest measures continues as a high priority. This includes postharvest detection technologies, in addition to treatment technologies.

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A risk framework for using systems approaches to manage horticultural biosecurity risks for market access

Cited by 25 publications

References 15 publications

Poor Host Status of Australian Finger Lime, Citrus australasica, to Ceratitis capitata, Zeugodacus cucurbitae, and Bactrocera dorsalis (Diptera: Tephritidae) in Hawai’i

Poor Host Status of Australian Finger Lime, Citrus australasica, to Ceratitis capitata, Zeugodacus cucurbitae, and Bactrocera dorsalis (Diptera: Tephritidae) in Hawai’i

Review of surveillance systems for tephritid fruit fly threats in Australia, New Zealand, and the United States

Postharvest Disinfestation Treatments for False Codling Moth and Fruit Flies in Citrus from South Africa

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