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GB 18133-2012: Seed potatoes
Status: Valid GB 18133: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 18133-2012 | English | 209 |
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Seed potatoes
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GB 18133-2012
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| GB 18133-2000 | English | 599 |
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Certified seed potatoes
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GB 18133-2000
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PDF similar to GB 18133-2012
Basic data | Standard ID | GB 18133-2012 (GB18133-2012) | | Description (Translated English) | Seed potatoes | | Sector / Industry | National Standard | | Classification of Chinese Standard | B00 | | Classification of International Standard | 65.020.20 | | Word Count Estimation | 9,984 | | Older Standard (superseded by this standard) | GB 18133-2000; GB 4406-1984 ial | | Quoted Standard | GB 20464 | | Regulation (derived from) | National Standards Bulletin No. 42 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the classification of seed potato quality indicators, test methods and minimum requirements for labeling. This standard applies to the PRC seed potato production, inspection, sales and product certification and quality supe | GB 18133-2012: Seed potatoes---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Seed potatoes
ICS 65.020.20
B00
National Standards of People's Republic of China
Replacing GB 18133-2000, partly replace GB 4406-1984
Seed Potato
Issued on. 2012-12-31
2013-12-19 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
5.2 This standard is mandatory, the remaining provisions are recommended.
This standard is prepared according to GB/T 1.1-2009 rules.
This standard replaces GB 18133-2000 "virus-free potato seed," partially replace GB 4406-1984 "seed."
This standard and GB 18133-2000 difference compared as follows.
--- Revised standard name;
--- Increasing the normative references;
--- Revised terms and definitions;
--- Modified seed grading;
--- Revised field quality requirements and test methods;
--- Revised tuber quality requirements and test methods;
--- Increased laboratory testing;
--- Revised grading rules;
--- Reduce transportation content;
--- Revised label content.
This standard replaces GB 4406-1984 of seed potato grading and classification index.
The standard proposed by the People's Republic of China Ministry of Agriculture.
This standard by the National Standardization Technical Committee seed crops (SAC/TC37) centralized.
This standard was drafted. Heilongjiang Provincial Academy of Agricultural Plant virus-free seedlings Institute (Ministry of Agriculture Seed Potato Quality Supervision, Inspection and Testing
Center - Harbin), the Institute of Vegetables and Flowers Chinese Academy of Agricultural Sciences, Heilongjiang Academy of Agricultural Sciences Keshan Branch, Northeast Agricultural University, Department of Agronomy, Agriculture
Ministry of potato Quality Supervision and Testing Center (Zhangjiakou), Gardening, Hunan Agricultural University, Huazhong Agricultural University, Yunnan Normal University for potato
The matter, Chinese Academy of Inspection and Quarantine, the Great Northern Wilderness potato seed research center.
The main drafters of this standard. Baiyan Ju, Bianchun Song, Zhan Li Xue, Jin Liping, Guowei, Shengwan Min, Chen Yi, the Wang Fengyi, Yin Jiang CEREALS,
Xie from China, Li Canhui, Li Mingfu, Qiao Yongjun, Yu Bin.
This standard replaces the standards previously issued as follows.
--- GB 4406-1984;
--- GB 18133-2000.
Seed Potato
1 Scope
This standard specifies the minimum requirements for quality indicators of seed potato grading, test methods and labels.
This standard applies to the territory of the People's Republic of China seed potato production, testing, marketing and product certification and quality supervision.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB 20464 General labeling of agricultural seeds
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Comply with the standards specified in the corresponding quality requirements original seed, the original species, and one kind of two kinds.
3.2
Original seed (G1) pre-elite
With breeder seed, virus-free potato plantlets in vitro or in the insect nets, greenhouse and other conditions of isolation produced by the quality inspection 5.2 Requirements
For seed production of seed potatoes.
3.3
Stock (G2) elite
With the original seed for seed potatoes, isolated environment in good production, quality inspection by the 5.2 required for one kind of seed production.
3.4
One kind (G3) qualifiedⅠ
In a relatively isolated environment, with original species for seed production, quality inspection after 5.2 required for the production of two kinds of seed.
3.5
Two kinds (G4) qualifiedⅡ
In a relatively isolated environment from one kind of seed as production, quality inspection after 5.2 required for the production of seed potato products.
3.6
Seed batch seedpotatolot
The same source, the same block are basically the same, the same species, the same level and the same harvest period, the quality of potato tubers or plants for
Batch.
4 pest
4.1 non-quarantine pests
4.1.1 Virus
Potato virus X (PotatovirusX, PVX).
Potato virus Y (PotatovirusY, PVY).
Potato virus S (PotatovirusS, PVS).
Potato virus M (PotatovirusM, PVM).
Potato leafroll virus (Potatoleafrolvirus, PLRV).
4.1.2 Bacteria
Potato bacterial wilt (Ralstoniasolanacearum).
Potato blackleg and soft rot bacteria (Erwiniacarotovorasubspeciesatroseptica, Erwiniacarotovorasub-
speciescarotovora, Erwiniachrysanthemi).
Ordinary potato scab fungus (Streptomycesscabies).
4.1.3 Fungus
Phytophthora infestans (Phytophthorainfestans).
Potato Dry Rot (Fusarium).
Potato Wet Rot (Pythiumultimum).
Potato mole germs (Rhizoctoniasolani).
4.1.4 Insects
Potato tuber moth (Phthorimaeaoperculella).
4.2 quarantine pests
4.2.1 viruses and viroids
Potato A virus (PotatovirusA, PVA).
Potato spindle tuber viroid (Potatospindletuberviroid, PSTVd).
4.2.2 Fungus
Potato cancer germs (Synchytriumendobioticum).
4.2.3 Bacteria
Potato Ring Rot (Clavibactermichiganensissubspeciessepedonicus).
4.2.4 phytoplasma
Potato Cong broom phytoplasma (Potatowitches'broomphytoplasma).
4.2.5 Insects
Potato beetle (Leptinotarsadecemlineata).
5 Quality requirements
Seed grading 5.1
Seed level is divided into original seed, the original species, and one kind of two kinds.
5.2 Seed quality requirements at all levels
5.2.1 quarantine pest tolerance rate
4.2 All quarantine pests listed in the seed production was allowed to "0", once found such a pest, it should be immediately reported to the
Quarantine departments to take appropriate measures in accordance with the kinds of pests and quarantine departments, and the land can not be used all the potato seed.
5.2.2 non-quarantine pests and other items allowed rate
All levels seed non-quarantine pests and other test items shall meet the minimum requirements (see Table 1, Table 2 and Table 3).
Table 1 Level field inspection of seed plants quality requirements
project
Allow rate a /%
Original seed stock one kind of two kinds
Hybrid 0 1.0 5.0 5.0
Severe mosaic 0 0.5 2.0 5.0
Leaf 0 0.2 2.0 5.0
Total Virus b 0 1.0 5.0 10.0
Wilt 00 0.5 1.0
Black shank 0 0.1 0.5 1.0
a representative of the detected items as a percentage of positive samples to detect the total number of samples.
b represents all the symptoms of a virus of plants.
Table 2 level post-harvest seed quality testing requirements
project
Allow rate /%
Original seed stock one kind of two kinds
Total virus (PVY and PLRV) 0 1.0 5.0 10.0
Wilt 00 0.5 1.0
Table 3 levels of quality seed potato tuber inspection warehouse
project
Allow rate/(a / 100) allows rate/(a / 50kg)
Original seed stock one kind of two kinds
Hybrid 031 010
Wet rot 0244
Soft rot 0122
Late Blight 0233
Dry rot 0355
Common scab a 2 10 20 25
Table 3 (Continued)
project
Allow rate/(a / 100) allows rate/(a / 50kg)
Original seed stock one kind of two kinds
Mole disease a 0 10 20 25
Potato tuber moth 0000
External defects 151,015
Frostbite 0122
Soil and impurities b 0 1% 2% 2%
a lesion area is not more than 1/5 of the surface area of the tuber.
b rate allowed by percentage weight.
6 test method
6.1 Field inspection
6.1.1 original seed production process inspection
Net greenhouse or shed, 30 days to 40 days, under the same conditions of the production environment after the end of the cuttings or tissue culture in vitro potato emergence, the entire plant project
Test check visually abnormal plant tissue or organ can not be immediately confirmed to collect samples for laboratory testing.
6.1.2 of the original species, one kind and two kinds of field inspection
By visual inspection, random sampling of each batch of seed potato at least 5.00 to 10 points, each point 100 (see Table 4), it can not be visually confirmed non-positive
Often plant tissue or organ should immediately collect samples for laboratory testing.
Table 4 seed per batch sampling points
Detection area/hm2 detecting points/month Total inspection/plant
≤1 5 500
> 1, ≤40 6 ~ 10 (each additional 10hm2 increase a detection point) 600-1000
> 40 10 (each additional 40hm2 increase two detection points) > 1000
Field entire inspection process claims within 40 days to complete. The first check in squaring to flowering. Second inspection prior to harvest 30
Days were.
When you first check in any one index of more than five times the allowed rate, stop checks, the land can not be seed potato sales.
The first check any one indicator exceeded the allowed rate of less than 5 times, the removal of diseased plants and reduce the ratio of hybrid strains by growers, second
Field inspections for the final test results.
6.2 Tuber Inspection
After harvest 6.2.1 Detection
Harvesting and storage of seed, seed inspection area based on random sampling in the harvest field, in the warehouse or at random a number of tubers
For laboratory testing. Original seed of each species detected per 1 million 200 (each additional 1 million increased 40, less than one million
According to one million computing). Daejeon each batch of seed is determined to detect the number of samples (see Table 5) according to the production area.
Tuber Processing. planting tubers break dormancy, height 15cm around the beginning of detection, virus detected by enzyme immunoassay (ELISA) or reverse
Record polymerase chain reaction (RT-PCR) method, viroid and from using electrophoresis (R-PAGE), RT-PCR or nucleic acid spot hybridization
(Of NASH) method, using ELISA or bacterial polymerase chain reaction (PCR) method. Each of the above diseases can also be detected with high sensitivity
The recommended method of detection technology.
Table 5 Number of laboratory test sample after harvest
Seed level ≤40hm2a sample size (a)
Stock 200 (each additional 10hm2 ~ 40hm2 increase of 40 tubers)
One kind of 100 (each additional 10hm2 ~ 40hm2 increase of 20 tubers)
Two kinds of 100 (each additional 10hm2 ~ 40hm2 increase of 10 tubers)
as a seed unit of area (hm2).
6.2.2 Treasury checks
Treasury checks should be carried out before the seed library.
According to original seed for sampling each batch to determine the number of points (see Table 6), random for sampling, each point taking 500 tubers.
Daejeon levels determined in accordance with each batch of seed for sampling total number of points (see Table 7), each point for sampling 25kg, random samples should be taken with a stick Generation
Representative phenotypic test results, samples were sampling batches. Batch field with different seed storage warehouse, according to different batch processing, and indicate the quality
Traceability of convergence.
Table 6 original seed tubers for sampling volume
Each batch output/ten thousand tuber sampling points/a test sample volume/particle
≤50 5 2500
> 50, ≤500 5 ~ 20 (each additional 300,000 increase a detection point) 2500 10000
> 50020 (for each additional 1 million increase in two detection points) > 10000
Table 7 Daejeon seed tubers for sampling volume levels
Each batch output/t tuber sampling points/a test sample amount/kg
≤40 4 100
> 40, ≤1000 5 ~ 10 (each additional 200t increase a detection point) 125 to 250
> 100 010 (each additional 1000t increase two detection points) > 250
By visual inspection, visual undiagnosed disease may also be employed laboratory techniques, including visual inspection simultaneously epidermis and tubers
A number of symptoms of internal inspection if necessary.
7 decision rule
7.1 Grading
Potato seed breeding level in algebra, while meeting the detection field inspection and post-harvest to reach a minimum quality requirements for the grading standards.
7.2 Downgrade
Seed test parameters to be produced in any one reach the required level of quality seed, dropped the test results corresponding quality indicators
Levels reach a minimum level of seed quality indicators can not be used as seed.
The second seed field inspection exceeds the minimum level allowed rate, the land can not be used as seed potatoes.
7.3 Standard Library
Before any level of the library should reach the Treasury seed tuber quality inspection requirements, re-selection or falls with the test results corresponding to the warehouse
Seed level quality indicators, reach a minimum level of seed quality indicators, should be re-selected after delivery to qualified before.
8 Label
Shall comply with GB 20464 of the relevant provisions.
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