This part specifies the methods and basic requirements for field efficacy plot tests of fungicides for the control of mango powdery mildew (Oidium mangiferae). This part applies to field efficacy plot tests and efficacy evaluation of fungicides for the control of mango powdery mildew for registration. GB/T 17980.97-2004 Guidelines for field efficacy tests of pesticides (II) Part 97: Efficacy test of fungicides for the control of mango powdery mildew GB/T17980.97-2004 Standard download decompression password: www.bzxz.net
This part specifies the methods and basic requirements for field efficacy plot tests of fungicides for the control of mango powdery mildew (Oidium mangiferae). This part applies to field efficacy plot tests and efficacy evaluation of fungicides for the control of mango powdery mildew for registration.

GB/T17980.97-2CC4
Interstate efficacy test is an important part of pesticide registration and supervision work. "It is an important technical basis for formulating pesticide product labels and a guide for the rational use of pesticides. In order to standardize the field test methods and internal management of pesticides, make the tests more scientific and comprehensive, and be close to international standards and make our efficacy test reports have international recognition, we have specially formulated the national standard for efficacy test standards in my country: This series of labels refers to the interstate efficacy test rules of the European and American Plant Protection Organization (RPPO) and similar rules of the United Nations Agricultural Organization (FAO> Asia and the Pacific), and is formulated based on the actual situation in China and verified by the efficacy test. Powdery mildew is one of the main diseases of cattle, and it is often needed on cattle. Use Huangqi to prevent. In order to determine the best performance of the drug for treating fruit powdery mildew, the test agent's effect on fruit and non-target beneficial organisms is used to ensure the efficacy and safety of the soft microbial agent. The technical data for use are provided as the basis, and this part of GR/T1798 is formulated. The technical part is one of the series of standards for field efficacy tests of pesticides (II), but it is an independent part in itself. This part was proposed by the Ministry of Agriculture of the People's Republic of China on 14th. The drafting unit of this part is the Institute of Drug Approval of the Ministry of Agriculture. The main examiners of this part are Wu Xin, Wang Sheng, Shun Konggen, Liu Naizhi, Yang Zengshi, and the first one. This part is interpreted by the Institute of Drug Approval of the Ministry of Agriculture. 1 Tian
Field efficacy test guidelines (II)
Part 97: Fungicides for the control of fruit powdery mildew CA/T 17980.97-2004
This part specifies the method and basic technical requirements for the inter-plot test of fungicides against powdery mildew of fruit
This part applies to the efficacy test and efficacy evaluation of fungicides against powdery mildew of fruit. 2 Test conditions
2.1 Test objects, crops and varieties selection The test objects are powdery mildew,
The test objects are related fruits, and the variety name and tree age are recorded. 2.2 Environmental conditions
The field test should be selected from fruit crops that have been infected in previous years and carried out in the spring when the fog and sunshine are prone to powdery mildew. All test cultivation conditions (such as soil type, fertilizer, tree age, and sample size) should be consistent and in accordance with local scientific practice (G4P) 3 Test design and arrangement
3.1 Pesticides
3. 1. 1 Test drug
Indicate the drug number, generic name, Chinese name, dosage form, quantity and manufacturer): The test drug should be used in accordance with the agreed regulations for at least three drugs or the test agreement (the test agreement signed between the test party and the trial party). 3.1.2 The control drug is a registered product that has been proven to have good efficacy in practice. The mode of action of the control drug should be similar to that of the test drug and use the local base. Special circumstances may be determined according to the test date. 3.2 Plot arrangement
3.2.1 Plot arrangement
The plot arrangement of the test drug, the control drug and the blank control should be based on the basic arrangement, and the special circumstances should be explained. 3.2.2 The plot area and the number of replicates
are small, and the number of replicates should be at least 2. Number of replicates: at least 4 times.
3.3 Application method
3. 3. 1 Application method
Follow the instructions on the label. Application should be adapted to the actual agricultural practice. 3.3.2 Time and frequency of application
Follow the instructions as much as possible. Since powdery mildew is mainly caused by fruit nectar, it can occur from the first month to the end of the year, causing a large number of flowers and fruits to fall off. It is often sprayed during the flowering period. The second application depends on the development of the disease and the effective period of the drug. 3.3.3 Dosage and volume
Follow the instructions on the label. Usually, the content of the ingredients in the drug is expressed as m&/. At the same time, the drug multiple should be recorded1
GB/T 17980. 97-2004
and the drug dosage per tree (L/hr or L/plant). 3.3.4 Data requirements for the use of other pesticides to control diseases and diseases. The pesticides that have a particular impact on the test pesticide and the test animals should be selected, and all plots should be uniformly tested. They should be separated from the test pesticide and the control pesticide to minimize the interference of the pesticide with the environment, and accurate data on the use of such pesticides should be recorded.
4 Investigation, recording and inventory methods
4.1 Meteorological and spraying data
4.1.1 Meteorological data
During the test, the The experimental site or the recent meteorological data shall include rainfall (type of rainfall and daily rainfall, expressed in mm) and temperature (average daily temperature, maximum and maximum temperature, expressed in mm). The adverse factors affecting the experimental results during the entire experimental period, such as severe and long-term rainfall, shall be recorded. 4.1.2 Soil data
Record the soil type, soil fertility, soil composition (such as dry, wet or waterlogged), soil cover (such as crop residues, grass cover, weeds), etc.
4.2 Survey method 4.2.1 Investigation method: Carry out according to the agreement. Two plants are inspected in each plot, and the plants are sampled at five points: east, west, south, middle and center. Two plants are inspected at each point, and 20 plants are inspected in each plot. The summary data and the number of diseased plants at each level are recorded: Destruction method: Grade 1: 15% of the main side flowers are diseased; Grade 2: 11%-2% of the main side flowers are diseased; Grade 3: 2% of the main side flowers are diseased; Grade 4: 2% of the main side flowers are diseased. 7 level: 4%~0% of the main side of the flower ball incidence level: G% or more of the vertical side of the thin disease caused by the most results. 4.2.2 Investigation time and frequency
according to the requirements of the agreement. Usually before the drug is applied, the base number of the disease is checked, and the effect is investigated 7 days to 1C days after the drug is applied. 4.2.3 Efficacy calculation method
Actual rate (%) - adjustment or × 10
Disease number of each extreme pathological number of sexual grade value 》×1U0 total investigation single XS
...... (2)
Drug effect (2: (1 - set of white medical medicine has been disease Bo push number of literature and medicine urine exposure index): < 100 blank topic wind after disease index such as the area before the drug removal of the disease index, or closed treatment effect (yuan before the drug light base (%) Room white time for the area of ​​​​harm effect sugar cloud chain physical medicine disease index × 10043
empty household period area screening index
4.3 for the case of the base of the weak
observe whether the drug has any harm to the plant, if there is any, the type and explanation of the drug should be recorded. In addition, the seven months should be recorded for the beneficial effects of the crop (such as stimulating growth, promoting heat, etc.) The following method is used to record the drug: bzxZ.net
8) If the drug sound can be measured or calculated, It is expressed by a numerical value, such as step height h). In other cases, the following methods can be used to estimate the cost protection rate and efficacy of the drug: 11 According to the damage classification method, record the damage of each plot, and express it as one, ten, ten ten, one ten ten, ten ten 1. 2
Drug damage classification method:
one, no drug,
ten, mild drug, no effect on the growth of fruits, ten: obvious drug, can be restored, will not cause machine fruit yield reduction, GE/1 17980. 972004
10: Severe pesticide damage affects the normal growth of fruit trees, causing certain damage to the yield and quality. Part of the economic losses must be compensated as much as possible:
10) Severe pesticide damage affects the normal growth of fruit trees, causing certain damage to the yield and quality. Part of the economic losses must be compensated as much as possible:
10) The production of fruit trees is seriously affected. The growth of fruit trees is hindered, which seriously affects the yield and reduces the yield. The economic losses must be compensated. 2) Compare the treated areas with the control areas, evaluate their percentages, and at the same time, accurately describe the pesticide damage symptoms (dwarfing, green change, shape), provide physical photos, videos, etc. 4.4 Effects on other organisms
4.4.1: Effects on other pests and diseases
Any effects on local pests and diseases should be recorded, including beneficial and harmful effects. 4.4.2 Effect on other non-target organisms
Record the effects of the agent on the wild rare organisms and potential crystal worms in the test area. 4.5 The production and quality of the product
do not need to be optimized.
5 Results
The results obtained from the test shall be analyzed by biological design methods (using DMRT method), and a conclusion report can be issued in a formal format. The original data of the test results shall be kept for inspection and verification.
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