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YC/T 341.5-2010Rules for investigation and forecast of tobacco diseases. Part 5: Tobacco root knot (English PDF)

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Issued by

State Tobacco Monopoly Administration

Level / Type

National · Recommended

Issue date

February 8, 2010

Implementation date

February 20, 2010

Scope

YC/T 341.5-2010 (Rules for investigation and forecast of tobacco diseases. Part 5: Tobacco root knot) is available as an English-translated PDF.

YC/T 341.5-2010 — This section YC/T 341 provisions of the Tobacco Root - knot winter Insect base survey, systematic investigation, field survey methods and measurement Daily data collection, reporting and aggregation methods.

This section applies to tobacco root knot nematode disease investigation and forecast in forecasting site levels.

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Document preview — YC/T 341.5-2010

National Standard of the People's Republic of China

ICS: 65.160
Classification: X 87

Issued by: State Tobacco Monopoly Administration

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Overwintering insect base survey
4.1 Investigation time
4.2 Survey Sampling Methods
5 System Survey
5.1 Investigation time
5.2 Survey plots

Foreword

YC/T 341 according to this part of GB/T 1.1-2009 "Standardization Guide Part 1. Standard structure and write" to Request be written.

Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.

YC/T 341 "Tobacco Diseases forecast investigation procedure" is divided into the following sections.

--- Part 1. brown spot;

--- Part 2. The virus spread by aphids;

--- Part 3. black shank;

--- Part 4. bacterial wilt;

--- Part 5. root knot nematode;

--- Part 6. wildfire, angular leaf spot;

--- Part 7. powdery mildew.

This section YC/T Part 5 341.

This part by the State Tobacco Monopoly Bureau.

This part of the National Technical Committee of Standardization Technical Committee on Tobacco Agriculture (SAC/TC144/SC2) centralized.

This section drafted by. China National Tobacco Corporation Qingzhou Tobacco Research Institute.

1 Scope

This section YC/T 341 provisions of the Tobacco Root - knot winter Insect base survey, systematic investigation, field survey methods and measurement Daily data collection, reporting and aggregation methods.

This section applies to tobacco root knot nematode disease investigation and forecast in forecasting site levels.

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/T 23222 Classification and tobacco pest survey methodology YC/T 341.1 tobacco disease investigation protocols forecast - Part 1. brown spot

3 Terms and Definitions

Terms and definitions YC/T 341.1 defined apply to YC/T 341 of the present section.

4 Overwintering insect base survey

4.1 Investigation time

In mid-October and mid-year next year in March, were investigated twice.

4.2 Survey Sampling Methods

Two surveys carried out in the same block. Randomly selected 10 points were taken with the Soil depth of 5cm ~ 20cm of soil samples 200g, mix After absorbed by quartering to take 200g for testing. Each sample was detected 3 times the average, according to the number of eggs and larvae. Mitsuke record form Record A.

5 System Survey

5.1 Investigation time

Tobacco leaf 5 to 6 leaf stage of the investigation once every 5d investigation began after transplanting once completely after the end of harvest.

5.2 Survey plots

Select local representative climate tobacco-growing region, to establish a relatively fixed observation garden, covering an area greater than 667m2, planting perennial varieties Stable susceptible varieties, without the application of nematicides During the investigation, other agronomic practices with local practices.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 23222Grade and investigation method of tobacco diseases and insect pests

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