GB/T 35836-2018Technical regulation for evaluating cold tolerance of sugarcane (English PDF)
甘蔗耐寒性鉴定技术规程
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 6, 2018
Implementation date
September 1, 2018
Scope
GB/T 35836-2018 is the English-translated version of 甘蔗耐寒性鉴定技术规程.
GB/T 35836-2018 sets out how to identify and evaluate the cold tolerance of sugarcane varieties in the field. It deals with damage from frost in dry, sunny weather and from frost or freezing in overcast and rainy weather, and defines the measures used to assess it, such as the stem length loss rate and the basal internode loss rate.
The standard describes the field identification method, from choosing a test site in an area with winter frost where sugarcane can be planted before early April, to a randomized block design repeated three or more times on plots of 12 to 30 square metres.
It then covers the cold tolerance survey and the evaluation of the results. It was issued on 6 February 2018 and has applied since 1 September 2018.
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Document preview — GB/T 35836-2018
National Standard of the People's Republic of China
- ICS
- 65.020.20
- Classification
- B 15
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Field cold tolerance identification method
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the term and definition of sugarcane cold tolerance identification techniques, field cold tolerance identification methods, cold tolerance survey, cold tolerance evaluation.
This standard applies to sugar cane varieties of non-rainy overcast, overcast and cold frost damage and cold frost damage field identification.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 10499 sugar cane test methods
GB/T 19566 Dry sugar cane high yield cultivation technical regulations
NY/T 1488 Technical Specification for Crop Germplasm Identification Sugarcane
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Drought frost damage
Harmful to the growth of sugarcane caused by frost in sunny weather.
3.2 Overcast and rainy frost damage
Harmful to the growth of sugarcane due to frost or freezing in the rainy days.
3.3 Stem length loss rate
Growing point from top to bottom of the cane stem longitudinal section of more than 1/3 internodes were water-like cane stem length of sugarcane cane total length ratio.
3.4 Basal internode loss rate
Ground basal internals from bottom to top of the cane stem longitudinal section 1/3 below Waterlogging-like internodes accounted for the number of sugarcane plants internodes proportion.
4 Field cold tolerance identification method
4.1 Identification garden choice
Test should be located in the winter frost, and in early April before the temperature suitable for planting sugarcane areas, choose land formation, drainage and irrigation convenience, Fertile plots as a test site.
4.2 Field trial design
Field design should be randomized block repeated three or more times, the plot area of 12m² ~ 30m², cell effective stem number 80 […]
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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.
Referenced standards
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Related Standards
GB/T 10499-2014 — Test methods of sugar cane
GB/T 19566-2025 — Code of practice for high yield cultivation of dry land sugarcane
NY/T 1488-2007 — Technical code for evaluating germplasm resources. Sugarcane (Saccharum L.)
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GB/T 35836-2018
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