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Pirimicarb-dimethachlon compound pesticide

A technology of cleansing sclerotia and anti-pirimicarb, which is applied in the direction of fungicides, botany equipment and methods, chemicals for biological control, etc., can solve problems such as environmental pollution, flue-cured tobacco injury, and poor drug efficacy, and achieve The effect of reducing production costs, improving drug efficacy, and reducing the number of medications

Inactive Publication Date: 2016-05-04
杨红蕾
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the production of flue-cured tobacco, with the development and use of pesticide compounding agents, there have been some situations of confusion, random mixing, random selling, and random use. Some tobacco farmers often use several pesticides together, and some tobacco farmers Look for a compound pesticide, and use this compound all the time, resulting in poor efficacy and waste, and even causing pesticide damage to flue-cured tobacco and serious consequences of environmental pollution

Method used

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  • Pirimicarb-dimethachlon compound pesticide
  • Pirimicarb-dimethachlon compound pesticide
  • Pirimicarb-dimethachlon compound pesticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Indoor toxicity test to Aphids persicae

[0017] Cut off the tobacco plants and leaves that have propagated to a certain number of aphids, and soak them in the liquid medicine prepared according to the experimental design for 10 seconds. Pick 50 aphids that meet the test requirements on the pre-prepared tobacco leaves, put them into a petri dish with a diameter of 15cm, seal the inner dish with gauze and rubber bands, cover the outer dish, and place it at a room temperature of 25°C in relative air. Humidity 70%~80%, under indoor conditions with natural light or in an artificial climate box.

[0018] Each test treatment was investigated after 24 hours and 48 hours respectively, and the number of deaths and survivors of each treatment were recorded respectively. After gently pulling the aphid with a fine brush, if the aphid cannot stand and crawl normally, it is considered dead. After the experiment, the corrected mortality rate was calculated by the survival rate a...

Embodiment 2

[0028] (1) Field efficacy test on aphids

[0029] 3 kinds of pesticide treatments, with clean water as the control, a total of 4 treatments, each treatment was repeated 4 times, arranged in random blocks, a total of 16 plots, 3 rows of 30 plants were planted in each plot, and the area of ​​the plot was 15m 2 . Select the middle 5 tobacco plants in each plot for fixed plant and leaf listing. After investigating the base number of aphids, use a sprayer to spray evenly on the front and back of the tobacco leaves according to the concentration requirements of the test design, and spray water on the control area. The amount of aphids was investigated on the 10th day after spraying. During the survey, 5 tobacco plants were selected in the middle row of each plot, and the listed leaves of each tobacco plant were selected to investigate the number of surviving aphids, and the population reduction rate and control effect were calculated.

[0030]

[0031]

[0032] (2) 3 kinds ...

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Abstract

The invention relates to a pirimicarb-dimethachlon compound pesticide which is prepared by the following steps: diluting 25% pirimicarb by 2000 times, diluting 40% dimethachlon by 500 times and compounding the two in a weight ratio of 1:1. The compound pesticide also can be added with other components in percentage by weight: 5-10% of surfactant, 1.2-2.5% of sun-screening agent, 1.0-3.0% of stabilizer, 1.0-1.2% of preservative, 0.5-3.0% of synergist and 0.1-0.2% of pH regulator. Laboratory tests and field efficacy trials prove that the compound pesticide has a remarkable synergistic effect and can effectively prevent and control myzus persicae and brown spot while the aims of improving efficacy and reducing the pesticide use and lowering the production cost are achieved.

Description

technical field [0001] The invention belongs to the technical field of pesticide compounding, and in particular relates to a compound pesticide of pirimicarb and sclerotinia. Background technique [0002] Tobacco plays a very important role in my country's economic development. The main diseases in my country include Brownspot, BlaCkshank, Wildfire, Anthraenose, tobaeeomosaie, and Cueumbermosaie. The main pests are aphids (Greenpeahaphid) and tobacco budworm (tobaeeobudworm) bring great losses to flue-cured tobacco production every year. For this reason, governments and departments at all levels attach great importance to it. While vigorously advocating scientific tobacco planting, they have strengthened the management of tobacco pesticides. It is also required to improve the technical methods for the use of pesticide varieties and standardize the operating procedures of pesticides. At present, there are only more than 50 kinds of pesticides registered for use on tobacco, an...

Claims

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Application Information

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IPC IPC(8): A01N47/18A01N37/32A01P7/04A01P3/00
CPCA01N47/18A01N37/32
Inventor 杨红蕾
Owner 杨红蕾
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