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GB/T 15796-2011: Rules for monitoring and forecast of the wheat head blight (Fasariraa graminearune Schw. /Gibberelia zeac (Schw.) Petch)
Status: Valid GB/T 15796: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 15796-2011 | English | 349 |
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Rules for monitoring and forecast of the wheat head blight (Fasariraa graminearune Schw. /Gibberelia zeac (Schw.) Petch)
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GB/T 15796-2011
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| GB/T 15796-1995 | English | 599 |
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Rules for investigation and forecast of the wheat scab [Gibberella zeae (Schw.)petch]
| Obsolete |
GB/T 15796-1995
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PDF similar to GB/T 15796-2011
Basic data | Standard ID | GB/T 15796-2011 (GB/T15796-2011) | | Description (Translated English) | Rules for monitoring and forecast of the wheat head blight (Fasariraa graminearune Schw. /Gibberelia zeac (Schw.) Petch) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B16 | | Classification of International Standard | 65.020.01 | | Word Count Estimation | 15,195 | | Date of Issue | 2011-09-29 | | Date of Implementation | 2011-12-01 | | Older Standard (superseded by this standard) | GB/T 15796-1995 | | Regulation (derived from) | National Standards Bulletin 2011 No. 14 | | Issuing agency(ies) | General Administration of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 standard specifies the wheat scab disease indicators perithecia occurrence degree of maturity and grading index, bacteria source base survey, systematic investigation of the condition, disease screening, forecasting methods and forecasting data collection, reporting and summarizing other aspects of technology and methods. This standard applies to wheat scab disease and prediction. | GB/T 15796-2011: Rules for monitoring and forecast of the wheat head blight (Fasariraa graminearune Schw. /Gibberelia zeac (Schw.) Petch)
---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.
Rules for monitoring and forecast of the wheat head blight (Fasariraa graminearune Schw./Gibberelia zeac (Schw.) Petch)
ICS 65.020.01
B16
National Standards of People's Republic of China
Replace GB/T 15796-1995
Technical specification for measurement of wheat scab
2011-09-29 release
2011-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Directory
Preface I
1 Scope 1
2 terms and definitions
3 occurrence degree grading index 2
Investigation of 4 source base
5 disease system survey 3
6 census 3
Forecast Method 4
Data collection, reporting and summary
Appendix A (Normative Appendix) Crop Diseases and Pests Survey Data Sheet for Wheat Fusarium Disease 5
Appendix B (informative) affects the critical growth period of wheat infested with scab
Appendix C (Normative Appendix) Wheat Scab Research Model 10
Appendix D (informative) Estimation of damage to wheat scabs 11
Foreword
This standard replaces GB/T 15796-1995 "Wheat Scab Research Report".
This standard and GB/T 15796-1995 compared to the main changes are as follows.
--- This revision will be the original report object "wheat scab" re-named "wheat scab", an increase of the content of the forecast method,
The original "investigation and measurement of norms" to "forecast technical specifications";
- the addition of "terms and definitions", which defines the severity of the disease, disease index, sub-capsule maturation grading indicators,
Maturity and other indicators of wheat scabs in the investigation of important terms and disease criteria;
--- modified the original standard "disease epidemic level division standard", replaced by "wheat scab grade grading indicators", and provides the
Level of incidence of the incidence of spike rate and incidence of specific indicators;
--- increase the North China, northwest and northeast and other dryland area of the source of bacteria source survey content;
--- delete the "wheat growth period observation" of the investigation project, its specific content into the disease investigation;
--- modified the disease system survey, remove the "spring wheat area investigation" of the investigation project, the specific content were incorporated into the "disease system survey"
And "disease census" project;
- delete the text of the survey items appear in the form, its contents into a series of complete sample table, and in the sample table
Joined the "wheat scab of the annual incidence of statistical tables" and "wheat scabs prevention and control of the basic situation of the table", as a regulation
Fan appendix;
--- increase the rice and wheat rotation area and corn, wheat crop area wheat scabs model report, as a normative appendix;
- increased the critical growth period that affects the infection of wheat with Fusarium head disease, and is intended to standardize the critical factors that determine the incidence of scab, as informative
Appendix for reference;
--- Added information on the calculation of the loss of Fusarium graminea, as an informative appendix for reference.
Appendix A and Appendix C of this standard are normative appendices, Appendix B, and Appendix D as informative appendices.
This standard is proposed and centralized by the Ministry of Agriculture of the People's Republic of China.
The main drafting of this standard. the National Agricultural Technology Extension Service Center, Jiangsu Province, plant protection station.
The main drafters of this standard. Jiang Yuying, Zeng Juan, Zhang Fang.
This standard replaced the previous version of the standard release.
--- GB/T 15796-1995.
Technical specification for measurement of wheat scab
1 Scope
This standard specifies the index of wheat scab, sachet shell maturity and the occurrence of grading indicators, the source of the source survey, the disease system
Investigation, disease screening, forecasting methods and forecasting data collection, reporting and aggregation and other aspects of technology and methods.
This standard is applicable to the investigation and prediction of wheat scab.
2 terms and definitions
The following terms and definitions apply to this standard.
2.1
Severity of severity
The number of spikelets in the panicle symptoms (or the white ear symptoms caused by stalk rot) accounted for the proportion of all spikelets.
Divided into five levels.
Level 0. no disease;
Level 1. the number of spikelets accounted for less than 1/4 of all spikelets;
2. the number of spikelets accounted for 1/4 to 1/2 of all spikelets;
3. the number of spikelets accounted for 1/2 ~ 3/4 of all spikelets;
4. the number of spikelets accounted for more than 3/4 of all spikelets.
2.2
Disease index
A comprehensive measure of the prevalence and severity of the disease that is used to indicate the average level of the disease.
According to formula (1).
I = Σ
(hi × i)
H × 4 × 100
(1)
Where.
I - disease index;
hi --- the number of spines corresponding to severity at all levels;
i - severity of illness at all levels;
H - the total number of spikes.
2.3
The rate of the disease is perithecium-carryingrateofthediseasedremnant
Percentage of the number of diseased plexus (strains) producing the capsules in the population. According to formula (2) to calculate the weighted average of the body capsule capsules
Incubation rate.
L = Σ (lr × r) (2)
Where.
L - weighted average disease rate,%;
lr - the average plexus (strain) of a certain type of Tianzi capsule,
r - the area ratio of this type of field,%.
2.4
Heap shell maturity ripeninglevelofperithecium
In the endoscopic view of the submucosal shells, the developmental stages of the majority of the capsules in the microscopic field of view, including whether the capsules are shaped and shaped
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