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NY/T 617-2002 English PDF

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NY/T 617-2002: Rules for the investigation and forecast of wheat leaf rust (Puccinia recondita Rob.et Desm.)

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
NY/T 617-2002	English	319	Add to Cart	3 days [Need to translate]	Rules for the investigation and forecast of wheat leaf rust (Puccinia recondita Rob.et Desm.)		NY/T 617-2002

PDF similar to NY/T 617-2002

Standard similar to NY/T 617-2002

SN/T 2034 SN/T 1204 NY 39 NY/T 4449 NY/T 4236 NY/T 4180

Basic data

Standard ID	NY/T 617-2002 (NY/T617-2002)
Description (Translated English)	Rules for the investigation and forecast of wheat leaf rust (Puccinia recondita Rob.et Desm.)
Sector / Industry	Agriculture Industry Standard (Recommended)
Classification of Chinese Standard	B16
Classification of International Standard	65.020
Word Count Estimation	9,942
Date of Issue	2002-12-30
Date of Implementation	2003-03-01
Summary	This standard specifies the wheat leaf rust disease severity documented projects and grading indicators system disease surveys and census methodology, forecasting data collection, reporting and aggregation methods. This standard applies to the implementation of investigation and forecast of wheat leaf rust.

NY/T 617-2002: Rules for the investigation and forecast of wheat leaf rust (Puccinia recondita Rob.et Desm.)

---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 the investigation and forecast of wheat leaf rust (Puccinia recondita Rob.et Desm.) ICS 65.020 B16 People's Republic of China Agricultural Industry Standard Wheat leaf rust survey report survey specification Released on December 12,.2002 2003-03-01 implementation Published by the Ministry of Agriculture

Foreword

Appendix A and Appendix B of this standard are normative appendices. This standard was proposed by the Plantation Management Department of the Ministry of Agriculture. This standard was drafted. National Agricultural Technology Extension Service Center and Plant Protection Department of Hebei Agricultural University. The main drafters of this standard. Liu Wancai, Zhang Yuejin, Jiang Yuying, Cao Keqiang, Wang Yanqing. Wheat leaf rust survey report survey specification

1 Scope

This standard specifies the project records and grading indicators for the incidence of wheat leaf rust, disease system investigation and census methods, and measurement data collection. Set, report, and summary methods. This standard is applicable to the survey and investigation of wheat leaf rust.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 15795 Wheat stripe rust survey report survey specification

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 Systematic investigation In order to understand the dynamics of the occurrence and growth of pests and diseases in a region, a survey of fixed-point, timing, and fixed methods was conducted. 3.2 Daejeon census In order to understand the overall occurrence of pests and diseases in a region, a multi-point survey was conducted on a larger scale. 3.3 Recover damages The yield loss of the crops recovered by controlling the pests and larvae, that is, the increased yield of the control area than the control area. 3.4 Actual loss The yield loss caused by the remaining pests and diseases of the crops after the crops have been controlled by the pests and diseases. 3.5 Diseased leaf rate The number of infected leaves was investigated as a percentage of the total number of leaves investigated. 3.6 Severity The ratio of the leaf area covered by the pathological mycelium to the total area of the leaf on the diseased leaf, expressed by the classification method, is set to 8 grades, respectively, using 1%, 5%, 10%, 20%, 40%, 60%, 80%, 100%. For the condition between the grades, take the close value, although the disease has occurred but the severity is low At 1%, record at 1%. For group leaves, the average severity of diseased leaves should be calculated according to formula (1). The use of average severity can be used during the initial period of the disease Strict counting calculation; when the disease is in the probable period and the number of points to be investigated is large, the average severity of a point is given according to the visual estimate.

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