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GB/T 17980.27-2026: Pesticide - Guidelines for the field efficacy trials - Part 27: Fungicides against leaf spot of vegetables
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GB/T 17980.27: Evolution and historical versions
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| GB/T 17980.27-2026 | English | 379 |
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Pesticide - Guidelines for the field efficacy trials - Part 27: Fungicides against leaf spot of vegetables
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| GB/T 17980.27-2000 | English | 159 |
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Pesticides. Guidelines for the field efficacy trials (I). Fungicides against leaf spot of vegetables
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Basic data | Standard ID | GB/T 17980.27-2026 (GB/T17980.27-2026) | | Description (Translated English) | Pesticide - Guidelines for the field efficacy trials - Part 27: Fungicides against leaf spot of vegetables | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B17 | | Classification of International Standard | 65.100 | | Word Count Estimation | 18,115 | | Date of Issue | 2026-02-27 | | Date of Implementation | 2026-09-01 | | Older Standard (superseded by this standard) | GB/T 17980.27-2000 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 17980.27-2026: Pesticide - Guidelines for the field efficacy trials - Part 27: Fungicides against leaf spot of vegetables
---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 17980.27-2000
Guidelines for Pesticide Field Efficacy Trials
Part 27.Fungicides for the Control of Leaf Spot Disease in Vegetables
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 27 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 27.Fungicides for the Control of Leaf Spot Disease in Vegetables;
...
---Part 149.Insecticides for the Control of Red Imported Fire Ants.
This document supersedes GB/T 17980.27-2000 "Guidelines for Field Efficacy Tests of Pesticides (I) Control of Leaf Spot Disease in Vegetables with Fungicides", and is consistent with...
Compared with GB/T 17980.27-2000, apart from structural adjustments and editorial changes, the main technical changes 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 requirements for application equipment have been changed (see 6.2, 3.3.2 of the.2000 edition);
g) The requirements for application time and frequency have been changed (see 6.3, 3.3.3 of the.2000 edition);
h) The dosage requirements have been changed (see 6.4, 3.3.4 of the.2000 edition);
i) The requirements for pesticides used to control other pests and diseases have been changed (see 6.5, 3.3.5 of the.2000 edition);
j) The requirements for efficacy surveys have been changed (see 7.1, 4.2 of the.2000 edition);
k) The requirements for direct impact on crops have been changed (see 7.2, 4.3 of the.2000 edition);
l) The requirements for product output have been changed (see 7.3, 4.5 of the.2000 edition);
m) The requirements regarding effects on other organisms have been changed (see 7.4, 4.4 in the.2000 edition);
n) The requirements for calculating drug efficacy have been changed (see Chapter 8, 4.2.3 of the.2000 edition);
o) The requirements for results and report writing 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; Fujian Agriculture and Forestry University; and Hebei Province.
Anhui Academy of Agricultural and Forestry Sciences Institute of Plant Protection, Anhui Provincial Plant Protection Station.
The main drafters of this document are. Zhang Nan, Liu Xili, Chen Fengping, Zhao Jianjiang, Wu Jie, Yuan Shankui, Chen Liping, Hou Yanhua, Huang Zhongqiao, and Miao Jianqiang.
Peng Qin, Wang Zhiwen, Ning Weiwen, Shi Jinxia, Li Jing.
The release history of this document and the document it replaces is as follows.
---First published in.2000 as GB/T 17980.27-2000;
---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 27.Fungicides for the Control of Leaf Spot Disease in Vegetables
1 Scope
This document describes the method for field plot trials of fungicides for controlling leaf spot disease in vegetables.
This document applies to the use of fungicides to control leaf spot diseases in vegetables, including celery leaf spot (Cercosporaapii) and carrot black spot (Alter-).
Follow the instructions.
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 experimental subjects were leaf spot, black spot, brown spot, purple spot, ring spot, and ring blotch.
The experimental crops included celery, carrots, peas, beets, scallions, cabbage, Chinese cabbage, radishes, and rapeseed. Disease-susceptible varieties or locally conventionally grown varieties were selected.
Variety. Record the variety name.
4.2 Environmental Conditions
Field trials should be conducted in disease-prone areas. Cultivation conditions (soil type, fertilization, sowing/planting date, growth stage) for all experimental plots should be considered.
The spacing between sections and rows of crops should be uniform and consistent with local scientific agricultural practices. If irrigation is used, record the method, time, and amount of water used.
If fumigants, smoke agents, powders (spraying), or fogging agents are applied in greenhouses, each treatment should be performed in a single greenhouse or the greenhouse should be tightly isolated.
Several residential communities.
5.Experimental Design and Arrangement
5.1 Test Treatment
Test reagents, control reagents, and blank controls should be included.
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