AS ISO 17217.1 pdf download

AS ISO 17217.1 pdf download Traditional Chinese medicine—Ginseng seeds and seedlings Part 1: Panax ginseng C.A. Meyer
1 Scope
This part of ISO 17217 specifies minimum requirements and test methods for ginseng seeds andseedlings,Panaxginseng C.A. Meyer. ltis suitable for marketing ofcultivated ginseng seeds and seedlings.P. ginseng C.A. Meyer. lt is also suitable for quality assurance for ginseng cultivators.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and areindispensable for its application. For dated references, only the edition cited applies. For undatedreferences, the latest edition of the referenced document (including any amendments) applies.
International Seed Testing Association (ISTA), International Rules for Seed TestingInternational Seed Testing Association (ISTA), Working Sheets on Tetrazolium testing
3 Terms and definitions
For the purposes ofthis document, the following terms and definitions apply.
3.1
seed lot
specified quantity of seed that is physically and uniquely identifiable
SOURCE:ISTA,International Rules for Seed Testing, definition 2.2.1]
3.2
primary sampleportion taken from the seed lot during one single sampling actionSOURCE: ISTA, International Rules for Seed Testing, definition 2.2.2]
3.3
composite sampleformed by combining and mixing all the primary samples taken from the seed lotSOURCE: ISTA, International Rules for Seed Testing, definition 2.2.3]
3.4
subsample
portion of primary a sample obtained by reducing a sampleSOURCE:ISTA, International Rules for Seed Testing, definition 2.2.4]
3.5
submitted sample
sample to be submitted to the testing laboratory that comprises either the whole of the compositesample or asubsample
Note 1 to entry: The submitted sample can be divided into subsamples, packed in different materials meetingconditions, for specific tests (e.g.moisture or health).
SOURCE: ISTA,International Rules for Seed Testing, definition 2.2.5]
36
working sample
entire submitted sample or subsample to which one of the quality tests described in the ISTA Rules isapplied and which has at least the weight prescribed by the ISTA Rules for the particular test
SOURCE: ISTA, International Rules for Seed Testing, definition 2.2.7]
3.7
sealed
condition whereby a container which contains seeds is closed in such a way that it cannot be openedto get access to the seed and be closed again without either destroying the seal or leaving evidence oftampering
Note 1 to entry: This definition refers to the sealing of seed lots, as well as of seed samples.SOURCE: ISTA,International Rules for Seed Testing, definition 2.2.8
3.8
purityweight percentage of pure seed fraction over the total weight of the working sample, in percentNote 1 to entry: The pure seed refers to the species stated by the applicant, or found to predominate in the test.and includes all botanical varieties and cultivars of that species.
SOURCE:ISTA,International Rules for Seed Testing, definition 3.2.1
3.9
seed width
largest distance(see Figure 1) from the side of raphe to its opposite, in millimetre
3.10
plump seed
seeds with a kernel to cavity ratio of not less than 3:4
Note 1 to entry: The plumpness ofa single seed in this standard is estimated with its area ratio of the kernel to thecavity in the cross section when the seed is cut longitudinally through the raphe (see Figure 1).