Sterilization composition containing tiadinil

A technology of thiazinil and its composition, which is applied in the field of fungicides, can solve the problems of no clear synergies of active ingredients, no description of the composition, etc., and achieve the effects of less drug resistance, improved disease prevention effect, and improved control effect

Active Publication Date: 2013-05-15
HAINAN ZHENGYE ZHONGNONG HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent application 200810183486.1 discloses a fungicide composition containing thiazil and flunamide. The purpose of the invention is to prepare a preparation containing active ingredients. It is not clear that the two active ingredients can be synergistic
In addition to the compounding, in the patent application, the pr

Method used

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  • Sterilization composition containing tiadinil
  • Sterilization composition containing tiadinil
  • Sterilization composition containing tiadinil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 The control effect of thiazinamide composition on rice blast

[0022] A single compound or composition is dissolved in an organic solvent to prepare a 1000 mg / L mother solution. According to the preliminary test of biological activity, a certain amount of the above mother solution was diluted with 0.1% Tween 80 to prepare the required concentration. During the measurement, first spray the medicinal solution on the potted rice plants, then inoculate the pathogenic bacteria, keep moist and cultivate for 24 hours, then place them in the greenhouse for cultivation, and measure the percentage of plant foliage infection after a certain period of time. Convert percentages to efficacy using Abbot's formula.

[0023]

[0024] Theoretical control effect (%)=x+y-xy

[0025] x is the control effect of active component A when the concentration is a, and y is the control effect of active component B when the concentration is b. Compare the theoretical effect and the a...

Embodiment 2

[0030] Example 2 Control effect of thiazilamide composition on cucumber downy mildew

[0031] A single compound or composition is dissolved in an organic solvent to prepare a 1000 mg / L mother solution. According to the preliminary test of biological activity, a certain amount of the above mother solution was diluted with 0.1% Tween 80 to prepare the required concentration. During the test, the cucumber plants were basically at the 4-leaf stage, and the incidence of downy mildew was investigated before the first medicine. A potted test of cucumber downy mildew was carried out with the thiazilamide composition, and a corresponding single agent and a blank control were set up, and a hand-held sprayer was used for conventional constant spraying. Each agent was sprayed on 10 plants, and sprayed once and then sprayed again 7-10 days after spraying once. 10-14 days after the second spraying, investigate all the leaves of each plant, record the total number of leaves and the number o...

Embodiment 3

[0048] Example 3: Field test on wheat powdery mildew of thiazinil composition

[0049] The field test of wheat powdery mildew was carried out with the composition, and a corresponding single dose and a blank control were set up, and a plot of 30m was set up for each dose. 2 . A knapsack sprayer was used for conventional constant spraying, and the test was sprayed once at the booting stage and the early flowering stage, before the drug and 7-10 days after the second spraying, and each treatment was sampled at five points, 50 plants at each point, and all leaves were investigated for each plant. Record and investigate the total number of leaves and the number of diseased leaves, and calculate the disease index and control effect according to the following grading method.

[0050] Leaf Grading Method:

[0051] Level 0: no disease

[0052] Grade 1: The connected area of ​​disease spots accounts for less than 1% of the entire leaf area;

[0053] Grade 3: The connected area of ​...

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PUM

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Abstract

The invention relates to a sterilization composition containing tiadinil. The composition comprises two kinds of active components A and B for effective dose synergism, wherein A refers to tiadinil, and B is selected from one of methoxyl acrylic ester sterilization ingredients, one of triazole sterilization ingredients, one of sulfur-containing sterilization ingredients, one of organophosphorus sterilization ingredients, one of amide compounds, one of miazines sterilization ingredients, one of biological source sterilization ingredients, one of imidazole sterilization ingredients or one of oxazole sterilization ingredients. The composition within certain proportioning range shows a favorable synergism effect in a certain proportion range, the disease prevention effect of the composition is improved, also multiple diseases on agricultural production can be prevented and treated, the using times are reduced, the using cost is lowered, and the generation of drug resistance of single dosage caused by pathogen can be delayed.

Description

technical field [0001] The invention relates to a fungicidal composition containing thiazinamide, which belongs to the field of fungicides. The composition is used for preventing and treating rice blast, downy mildew, powdery mildew, anthracnose, late blight, leaf spot, scab and the like. Background technique [0002] Thianodil is a new type of fungicide containing amide structure. It is a new type of long-acting paddy field fungicide, which can effectively prevent the invasion of pathogenic bacteria and has obvious induced resistance. In order to reasonably protect agents, delay the emergence of bacteria resistance to new agents, and improve the control effect of agents, it is necessary to carry out reasonable compound research. Patent application 200810183486.1 discloses a fungicide composition containing tiiazil and flunamide. The purpose of the invention is to prepare a preparation containing active ingredients. It is not clear that the two active ingredients can be syne...

Claims

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Application Information

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IPC IPC(8): A01N43/828A01N43/54A01N37/50A01N43/653A01N41/08A01N57/14A01N43/16A01N47/38A01N47/24A01N43/40A01N47/14A01N37/34A01N43/84A01N43/50A01N43/76A01P3/00
Inventor 侯华民张善学王少龙陆红霞陈坚
Owner HAINAN ZHENGYE ZHONGNONG HIGH TECH
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