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Method of determining the practically useful application dose of pesticide, method of developing pesticide and method of indicating the performance of pesticide

A biological control agent and a technology for harmful organisms, which are applied in the fields of determination of the practical distribution of the harmful biological control agent, development of the harmful biological control agent, and performance expression of the harmful biological control agent, can solve problems such as difficulties, achieve cost reduction, The effect of shortening development time

Inactive Publication Date: 2005-01-05
THINK CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is extremely difficult to choose the most suitable thing for consumers from the many kinds of pest control agents available in the market from this limited information

Method used

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  • Method of determining the practically useful application dose of pesticide, method of developing pesticide and method of indicating the performance of pesticide
  • Method of determining the practically useful application dose of pesticide, method of developing pesticide and method of indicating the performance of pesticide
  • Method of determining the practically useful application dose of pesticide, method of developing pesticide and method of indicating the performance of pesticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] Using the efficacy data recorded in the 1997 pesticide test results of JA Quannong (National Agricultural Cooperative), the practical spraying dose of NC-1111 (the code name of the acaricide being developed by Nissan Chemical Co.) to the female adults of Panonychus citrus was calculated. The control agent was pyridaben (the trade name of a commercially available acaricide developed by Nissan Chemical Co., Ltd.).

[0104] The crop that biological experiment adopts is summer citrus, and in concentration gradient test, the female adult of Citrus Panonychus (Daiso series-medicine sensitivity system) is inoculated on the citrus leaf disk of diameter 27mm, at 25 degrees Celsius After leaving it in a constant temperature room for 24 hours, remove the healthy female adults, spray the prescribed medicinal solution with a sprayer, place it in a constant temperature room at 25 degrees Celsius, and after spreading for 24 hours, calculate the mortality rate. On the other hand, the r...

Embodiment 2

[0136] The formula and table calculated in embodiment 1 are substituted into each unit of the table calculation software MicrosoftExcel. Table-1, 2, 3, which have been used in embodiment 1 figure 2 with image 3 Fits properly in 1 sheet. There are 3 vertical rows below it, namely the name of the agent, the name of the pest control agent and the name of the control agent, and the name of the agent (repeated), the concentration in the concentration gradient test (ppm), and the control value corresponding to the concentration in the row. (%), the dispersion concentration (ppm) in the residual effect test, the number of days (days) after treatment, the reduction constant, the half-life (day), the effective control value (%) based on the allowable damage standard in the residual effect test, and The spray concentration (ppm) with the same control value, the practical spray dose (ppm) applied in the actual site, the residual effect period (days) in the left-note residual effect t...

Embodiment 3

[0140] When developing a new pest control agent, according to the same method as in Example 1, using fenvalerate as a control agent with a practical spraying dose of 100ppm, from the indoor concentration gradient of the 3rd instar larvae of Spodoptera litura using potted cabbage As a result of the test and the field residual effect test, the practical spray dose in this application site of the development candidate compound A (here is to show the spray drug with the same time and the same effect as the treatment with 100ppm fenvalerate amount) was determined to be 50ppm. Using the method of the present invention, from the date of initial synthesis of compound A to the 14th day, the practical dose of the development candidate compound can be determined.

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Abstract

The present invention provides a method for calculating a practically useful application dose, with which a desired residual activity period and desired effective preventive value can be retained, by comparison with a control pesticide in obtaining an equivalent useful application dose by conversion by correlating a decreasing constant of a pesticide obtained from the results of residual activity testing conducted in actual situation for use or under environmental factors corresponding to the actual situation, and a damage rate or a damage suppression rate to the results of concentration-mortality curve testing, a method for developing a pesticide, and a method for indicating the performance of a pesticide.

Description

technical field [0001] The invention relates to a method for determining the practical spraying dose of a pest control agent, a development method for a pest control agent and a method for expressing the performance of a pest control agent. Background technique [0002] In the past, the practical spraying dose of pest control agents was based on the indoor concentration gradient test, etc. to obtain the basic efficacy, referring to the relative efficacy of the control agent, and repeated large-scale tests in the practical site where multiple doses were set. , determined by accumulating accurate and stable performance many times. However, the conventional method requires setting multiple doses, huge equipment and personnel costs for many large-scale experiments, and many years of experiments. Therefore, there is an urgent need for a more simple, inexpensive, and accurate identification of harmful organisms. The preventive agent is practical to disperse the dose. [0003] Al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01M7/00A01N25/00
CPCA01N25/00A01M7/0089
Inventor 岸田博
Owner THINK CHEM
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