GB/T 29430-2012Detection and identification of Senecio jacobaea L. (English PDF)
臭千里光检疫鉴定方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
June 1, 2013
Scope
GB/T 29430-2012 is the English-translated version of 臭千里光检疫鉴定方法.
GB/T 29430-2012 is the Chinese standard "Detection and identification of Senecio jacobaea L.". Its scope clause reads: This standard specifies the stinking groundsel (SeneciojacobaeaL.)
Laboratory testing and morphological characterization methods. This standard applies to quarantine and identification foul Senecio plants and achenes. Its clauses include terms and definitions.
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Document preview — GB/T 29430-2012
National Standard of the People's Republic of China
- ICS
- 65.020.01
- Classification
- B 16
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Terms and definitions
- 2.1 Capitulum
- 2.2 Ray florets rayfloret
- 2.3 Tubular flowers
- 2.4 Involucre
- 2.5 Bracts phylary
- 2.6 Achene
- 2.7 Hilum
- 2.8 Colar collar-like ring
1 Scope
This standard specifies the stinking groundsel (SeneciojacobaeaL.) Laboratory testing and morphological characterization methods.
This standard applies to quarantine and identification foul Senecio plants and achenes.
2 Terms and definitions
The following terms and definitions apply to this document.
2.1 Capitulum
Composed of dense clusters of sessile or subsessile flowers forming inflorescences.
2.2 Ray florets rayfloret
Capitulum outer petals, with a crown of ray florets.
2.3 Tubular flowers
Capitulum central florets, with tubular corolla.
2.4 Involucre
Surrounded by flower or flower cluster round the base of the bracts.
2.5 Bracts phylary
Compositae involucre bracts base of a leafy or scaly structure, or Asteraceae an involucre bracts.
2.6 Achene
Single chamber fruit by one, two or three carpels and does not crack, containing one seed, peel and seed coat separation, only a little seed
Connected with the ovary wall; the majority is composed of two carpels of the fruit achenes Compositae.
2.6.1 Heart floral discachene
Capitulum achenes intermediate portion generated, seen Compositae.
2.6.2 Edge floral rayachene
Capitulum achenes edge portion produced, found in the Compositae.
2.7 Hilum
When the fruit is ripe, the stalk fell off on a trace left behind.
2.8 Colar collar-like ring
Achenes narrow upright collar around the top was found in the plant Asteraceae.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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