Import Requirement 33 - (Silverleaf Whitefly - Hosts)


Prior to import, a ‘Notice of Intention to Import Plants or Plant Products into Tasmania’ must be submitted to the relevant Biosecurity Tasmania Operations Centre. Importation must occur in compliance with general Conditions and Restrictions for Prescribed Matter in Part 2 of the Plant Biosecurity Manual Tasmania.


33     Hosts of Silverleaf Whitefly (Bemisia tabaci Gennadius) and Tomato Yellow Leaf Curl Virus (TYLCV)


A person must not import, or cause to be imported, any plant or plant product that is a host of Silverleaf Whitefly complex (Schedule 1) or Tomato Yellow Leaf Curl Virus (Schedule 2) except in accordance with the following: 


Schedule 1:  Host plants* of primary concern for Silverleaf Whitefly

Host Botanical Name

Host Common Name

Euphorbia pulcherrima

Poinsettia

*Host plants include all living plants (excluding cut flowers, fruit, trussed fruit, vegetables and seed)

 

Schedule 2:  Host plants* of primary concern of Tomato Yellow Leaf Curl Virus (TYLCV)

Host Botanical Name

Host Common Name

Capsicum spp.

Capsicum & chilli pepper

Lycopersicon spp.

Tomato, cherry tomato and all cultivars

*Host plants include all living plants (excluding cut flowers, fruit, trussed fruit, vegetables and seed)

 

I.         All commodities (Schedule 1 and 2) – whole State/Territory area freedom

The plants (excluding cut flowers, fruit and trussed fruit, vegetables and seed) must be accompanied by a certificate signed by an approved person stating that the plant or produce was grown and/or packed in a State or Territory for which there is a valid area freedom certificate for silverleaf whitefly (Bemisia tabaci Gennadius), or Tomato Yellow Leaf Curl Virus (TYLCV);

 

OR

II.       All commodities (Schedule 1 and 2) – partial area freedom within State/Territory

The plants (excluding cut flowers, fruit and trussed fruit, vegetables and seed) must be be grown and/or packed in a part of a State or Territory proven to be at least 20km from any infestation of silverleaf whitefly (Bemisia tabaci Gennadius), or Tomato Yellow Leaf Curl Virus (TYLCV), by delimiting survey as approved by Tasmania’s Chief Plant Health Manager.

OR

III.    All commodities (Schedule 1) – consignment treatment

The plants (excluding cut flowers, fruit and trussed fruit, vegetables and seed) are fumigated with methyl bromide for 2 hours at one of the following rates:

 

10°C - 10.9°C @ 56 g/m3; or

11°C - 15.9°C @ 48 g/m3; or

16°C - 20.9°C @ 40 g/m3; or

21°C - 31.9°C @ 32 g/m3.

 

AND

IV.      Be securely packaged and transported in a way that prevents contamination by SLW and TYLCV, during transport to Tasmania. If the plant material is being:

(a)      Imported under Clause I or II, plant product sourced from area free States must be accompanied with a Plant Health Certificate stating the fact or an area freedom certificate as proof, and confirming traceability if product has been deconsolidated from point of origin en-route to Tasmania; or

(b)      treated as per Clause III, the plants must be securely packaged in insect proof packaging immediately after treatment, for storage, handling and transport that prevents infestation with silverleaf whitefly, during transport to Tasmania. Secure conditions include at least one of the following:

(i)       unvented packages; or

(ii)      vented packages with the vents secured with mesh which has a maximum aperture of 0.5mm; or

(iii)     wrapping or bagging in sealed plastic sleeves or bags; or

(iv)     fully enclosed consignments under tarpaulins, hessian, shade cloth, mesh or other covering which has a maximum aperture of 0.5mm; or

(v)      consignment shrink-wrapped and sealed as a palletised unit; or

(vi)     fully enclosed or screened buildings, cold-rooms, vehicles (including tautliners in good condition); or

(vii)    other facilities free from gaps or other entry points greater than 0.

Consignments must be accompanied by a Plant Health Certificate.

For more information, please contact

Plant Biosecurity
Phone: 1300 368 550
Email: Biosecurity.planthealth@dpipwe.tas.gov.au

Iris Yellow Spot Virus (IYSV)
Silverleaf Whitefly (SLWF)

Import Requirement

None

None