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GB/T 17980.22-2026: Pesticide - Guidelines for the field efficacy trials - Part 22: Fungicides against cereal powdery mildew
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GB/T 17980.22: Evolution and historical versions
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| GB/T 17980.22-2026 | English | 379 |
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Pesticide - Guidelines for the field efficacy trials - Part 22: Fungicides against cereal powdery mildew
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| GB/T 17980.22-2000 | English | 159 |
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Pesticide. Guidelines for the field efficacy trials (I). Fungicides against cereal powdery mildew
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Basic data | Standard ID | GB/T 17980.22-2026 (GB/T17980.22-2026) | | Description (Translated English) | Pesticide - Guidelines for the field efficacy trials - Part 22: Fungicides against cereal powdery mildew | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B17 | | Classification of International Standard | 65.100 | | Word Count Estimation | 18,177 | | Date of Issue | 2026-02-27 | | Date of Implementation | 2026-09-01 | | Older Standard (superseded by this standard) | GB/T 17980.22-2000 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 17980.22-2026: Pesticide - Guidelines for the field efficacy trials - Part 22: Fungicides against cereal powdery mildew
---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.
ICS 65.100
CCSB17
National Standards of the People's Republic of China
Replaces GB/T 17980.22-2000
Guidelines for Pesticide Field Efficacy Trials
Part 22.Fungicide Control of Powdery Mildew in Cereals
Published on 2026-02-27
Implemented on 2026-09-01
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document is Part 22 of GB/T 17980, "Guidelines for Field Efficacy Testing of Pesticides". GB/T 17980 has published the following...
part.
---Part 1.Insecticide control of lepidopteran borers in rice;
---Part 2.Insecticide Control of Rice Leaf Roller;
---Part 3.Pesticide Control of Rice Leafhoppers;
---Part 22.Fungicides for the Control of Powdery Mildew in Cereals;
---Part 149.Insecticides for the Control of Red Imported Fire Ants.
This document replaces GB/T 17980.22-2000 "Guidelines for Field Efficacy Testing of Pesticides (I) - Control of Powdery Mildew on Cereals with Fungicides".
Compared with GB/T 17980.22-2000, the main technical changes in the "Disease" standard, apart from structural adjustments and editorial modifications, are as follows.
a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2000 edition);
b) The requirements for test conditions have been changed (see Chapter 4, Chapter 2 of the.2000 edition);
c) Added requirements for experimental treatments and blank controls (see 5.1);
d) The requirements for test and control reagents have been changed (see 5.2, 3.1 of the.2000 edition);
e) Changes were made to cell arrangement, cell size, and duplication requirements (see 5.3, 3.2 of the.2000 edition);
f) The application requirements have been changed (see Chapter 6, 3.3 of the.2000 edition);
g) The survey methods and disease grading criteria have been changed, as have the requirements for survey time and frequency (see 7.1, 4.2 of the.2000 edition);
h) The requirements for direct impact on crops have been changed (see 7.2, 4.3 of the.2000 edition);
i) The requirements for product output have been changed (see 7.3, 4.5 of the.2000 edition);
j) The requirements regarding effects on other organisms have been changed (see 7.4, 4.4 of the.2000 edition);
k) The requirements for calculating drug efficacy have been changed (see Chapter 8, 4.2.3 of the.2000 edition);
l) The requirements for the preparation of results and reports have been changed (see Chapter 9, Chapter 5 of the.2000 edition).
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China.
This document is under the jurisdiction of the National Technical Committee on Pesticide Standardization (SAC/TC133).
This document was drafted by. the Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs; China Agricultural University; Northwest A&F University; and the Institute of Botany, Chinese Academy of Agricultural Sciences.
Institute of Plant Protection and Soil and Fertilizer, Hubei Academy of Agricultural Sciences.
The main drafters of this document are. Fan Jieru, Gong Shuangjun, Yuan Shankui, Liu Xili, Yang Lijun, Duan Yabing, Miao Jianqiang, Liu Wei, Zhou Yilin, and Chen Liping.
Peng Qin, Liu Liang, Huang Zhongqiao, Zhang Nan, Hou Yanhua.
The release history of this document and the document it replaces is as follows.
---First published in.2000 as GB/T 17980.22-2000;
---This is the first revision.
Introduction
Field efficacy trials are an important means of evaluating the comprehensive efficacy of pesticides against pests under various environmental factors, and are crucial for guiding pesticide safety.
It provides crucial technical basis for the comprehensive and rational use of pesticides. It helps to scientifically evaluate the efficacy and safety of pesticides and reduce discrepancies in results caused by different testing methods.
There is a need to standardize the procedures and evaluation content for field efficacy trials. GB/T 17980 describes insecticides, fungicides, herbicides, and plant pesticides.
A total of 149 field efficacy test methods for plant growth regulators and other pesticides against their respective target pests were established, aiming to standardize methods, unify evaluation criteria, and promote pesticide production.
The research, development, registration and use of the product are planned to consist of 149 parts, as detailed in Appendix A.
Guidelines for Pesticide Field Efficacy Trials
Part 22.Fungicide Control of Powdery Mildew in Cereals
1 Scope
This document describes the methods for field plot trials of fungicides for controlling powdery mildew (Blumeriagraminis) in cereals.
This document applies to field efficacy plot trials and efficacy evaluations of fungicides for the control of powdery mildew in cereal crops, for registration purposes. Other field efficacy trials...
The verification shall be carried out in accordance with the reference.
2 Normative references
This document has no normative references.
3 Terms and Definitions
This document does not contain any terms or definitions that need to be defined.
4.Test conditions
4.1 Selection of test subjects, crops and varieties
The test subject was powdery mildew in cereal crops.
The experimental crops were winter (spring) wheat, barley, rye, and other cereal crops, using susceptible varieties or locally grown varieties. Variety names were recorded.
4.2 Environmental Conditions
Field trials should be conducted in disease-prone areas. Cultivation conditions (soil type, fertilization, variety, row spacing, sowing density) should be considered for all trial plots.
The degree of uniformity should be consistent and conform to local scientific agricultural practices.
5.Experimental Design and Arrangement
5.1 Test Treatment
Test reagents, control reagents, and blank controls should be included.
5.2 Reagents
5.2.1 Test reagents
The test reagent should be applied at least three times; in special cases, the dosage should be set according to experimental requirements. Specify the Chinese/English common name or code of the reagent.
Dosage form, active ingredient content, manufacturer, production date or batch number, etc.
5.2.2 Control reagent
The control agent should be a registered, locally commonly used product with good efficacy and safety in actual use. The type and function of the control agent should be clearly defined.
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