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Case: Candidatus Liberibacter solanacearum hosts as seed for sowing Effective 10 Sep 2020 to 30 Sep 2020

Glossary

The following provides a definition of words or phrases that are found within the text. Some of these have a special meaning in relation to the importation or treatment of goods entering Australia and may be important to understand in meeting the requirements for import.

Term Definition
Approved Arrangement Site (AA Site)

An arrangement approved under Section 406 of the Biosecurity Act 2015 (Cwlth) which permits a biosecurity industry participant to carry out specified activities to manage biosecurity risks associated with particular goods, premises or other things.

ISTA

ISTA is the acronym for the International Seed Testing Association. ISTA provides an international standard for seed sampling and seed testing that is internationally recognised and trusted. The primary purpose of ISTA is to develop, adopt and publish standard procedures for sampling and testing seeds, and to promote uniform application of these procedures for evaluation of seeds moving in international trade.

Purity testing

Purity is the percentage of actual seed of the species requested in the seed lot. It is expressed as a percent pure seed. Other seeds and inert matter are accounted for and expressed as a per cent of the seed lot that is not pure seed. The other seeds fraction will include the seeds of all other species present in the sample being analysed. The seeds will be identified as fully as possible, usually to species level but sometimes it is not possible to identify the seed beyond its genus. Inert matter comprises all of the extraneous matter in the sample and includes plant matter, soil, sand, stones, fungal bodies and all matter and structures not specifically classified as pure seed or other seed.

seed lot

Seed lot is defined as:

A number of units of a single commodity, identifiable by its homogeneity of composition, origin etc., forming part of a consignment.

The seed lot can be:

  1. Seed harvested from one crop, or

  2. A blend of seed of the same cultivar harvested from different paddocks on the same farm, or

  3. A blend of lots of the same cultivar from different farms (only with permission from the certification authority).

seed lots

See seed lot