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Draft Annex to ispm 28: 2007 Vapour heat treatment for Ceratitis capitata on Mangifera indica


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International Plant Protection Convention

2010-106: Draft Annex to ISPM 28:2007 - Vapour heat treatment for Ceratitis capitata on Mangifera indica

2010-106

Agenda Item:






[1]

Draft Annex to ISPM 28:2007: vapour heat treatment for Ceratitis capitata on mangifera indica (2010-106)

[2]

Status box

This is not an official part of the standard and it will be modified by the IPPC Secretariat after adoption.

Date of this document

2014-04-23

Document category

Draft Annex XX to ISPM 28:2007

Current document stage

2014-04 SC approved for MC

Major stages

2010 Vapour heat treatment for Ceratitis capitata on Mangifera indica submitted

2010-07 TPPT reviewed treatment and requested additional information

2012-02 TPPT requested additional information

2012-12 TPPT requested additional information

2013-02 TPPT sent Final Notice letter to Submitter through Secretariat

2013-05 Submitter responded

2013-07 TPPT reviewed and recommended to SC for MC

2013-09 TPPT approved treatment schedule (virtual meeting)

2014-02 SC e-decision for approval for MC

2014-03 Secretariat applied changes suggested by forum and opened poll

2014-03 SC approved draft treatment for MC via poll


Treatment lead

2010-07 Mr Scott WOOD (US)

2012-12 Mr Min-Goo PARK (KR)

2013-09 Mr Guy HALLMAN (US)


Secretariat notes

2013-09 Formatted in accordance with new requirements

2013-09 Secretariat started using previously revised footnote relating treatment adoption



2014-04 Editor edited text



[3]

Scope of the treatment

[4]

This treatment comprises the vapour heat treatment of fruit of Mangifera indica to result in the mortality of eggs and larvae (of all ages) of Ceratitis capitata (Mediterranean fruit fly) at the stated efficacy1.

[5]

Treatment description

[6]

Name of treatment Vapour heat treatment for Ceratitis capitata on Mangifera indica

[7]

Active ingredient N/A

[8]

Treatment type Physical (vapour heat)

[9]

Target pest Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) (Mediterranean fruit fly)

[10]

Target regulated articles Fruit of Mangifera indica (L.)

[11]

Treatment schedule

[12]

Exposure in a vapour heat chamber:

[13]

at a minimum of 95% relative humidity

[14]

with air temperature increasing from room temperature to 47 °C

[15]

for at least two hours or until fruit core temperature reaches 46.5 °C

[16]

followed by ten minutes at a minimum of 95% relative humidity in an air temperature of 47 °C and with fruit pulp temperature at a minimum of 46.5 °C (seed surface of largest fruit).

[17]

Recording interval is five minutes. Once the treatment is complete fruits are hydro-cooled in a shower of water to reach ambient temperatures in less than 40 minutes.

[18]

The efficacy is effective dose (ED)99.9968 at the 95% confidence level.

[19]

Other relevant information

[20]

In evaluating this treatment the Technical Panel on Phytosanitary Treatments (TPPT) considered issues associated with temperature regimes and thermal conditioning, taking into account the work of Hallman and Mangan (1997).

[21]

This schedule was based on the work of Heather et al. (1997) and developed using the “Kensington” cultivar of M. indica. The egg stage was found to be the most thermotolerant among pre-puparial stage of C. capitata from 41 ºC to 44 ºC; however, at 45 ºC the third instar appeared to be slightly more thermotolerant.

[22]

References

[23]

Hallman, G.J. & Mangan, R.L. 1997. Concerns with temperature quarantine treatment research. In G.L. Obenauf, ed. Proceedings of the 1997 Annual International Research Conference on Methyl Bromide Alternatives and Emissions Reduction, San Diego, CA, USA, Nov. 3–5. pp. 79 1–79 4.

[24]

Heather, N.W., Corcoran, R.J. & Kopittke, R.A. 1997. Hot air disinfestation of Australian ‘Kensington’ mangoes against two fruit flies (Diptera: Tephritidae). Postharvest Biology and Technology, 10: 99–105.

[25]

Footnote 1: The scope of phytosanitary treatments does not include issues related to pesticide registration or other domestic requirements for contracting parties’ approval of treatments. IPPC adopted treatments may not provide information on specific effects on human health or food safety, which should be addressed using domestic procedures prior to contracting parties approving a treatment. In addition, potential effects of treatments on product quality are considered for some host commodities before their international adoption. However, evaluation of any effects of a treatment on the quality of commodities may require additional consideration. There is no obligation for a contracting party to approve, register or adopt the treatments for use in its territory.


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