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Trifloxystrobin-containing compound pesticide bactericidal composition and preparation

A technology of trifloxystrobin and composition, which is applied in the field of fungicidal pesticide composition, can solve the problems of increasing the burden of pesticide application on farmers, reducing the treatment effect, and high cost of fungicidal composition, so as to reduce the amount of field application, reduce environmental pollution and reduce pesticide residues , the effect of preventing disease resistance

Active Publication Date: 2012-10-03
YONGNONG BIOSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the basis of the above findings, the technical scheme of the present invention has been formed through quantitative analysis of the combined effects of the compositions, namely: the cost of the obtained bactericidal composition is high, which increases the burden of pesticide application on farmers; and the use of the above composition After a period of time, plant diseases will also develop certain resistance, and the treatment effect will be reduced

Method used

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  • Trifloxystrobin-containing compound pesticide bactericidal composition and preparation
  • Trifloxystrobin-containing compound pesticide bactericidal composition and preparation
  • Trifloxystrobin-containing compound pesticide bactericidal composition and preparation

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0043] Bioassay example 1: Toxicity determination of trifloxystrobin and oxastrobin compound against downy mildew

[0044] Test object: Tomato downy mildew

[0045] Test method: refer to the indoor bioassay test guidelines for fungicides and pesticides "The People's Republic of China Agricultural Industry Standard NY / T 1156.6-2006" and the creation of the SOP for the evaluation of biological activity of pesticides (fungicide volume), using the spore suspension spray inoculation method. Select potted tomato seedlings with the same growth in 1 leaf and 1 heart stage (remove the growth point), and dry them naturally after spraying the medicine. After 24 hours, use a brush to dip distilled water to wash off the sporangia on the back of the diseased leaves, and make a sporangia suspension (2 -3×10 5 perml), spray the sporangia suspension evenly on the tomato leaves with an inoculation sprayer (pressure 0.1MPa), and then move the inoculated tomato seedlings to an artificial climate...

Embodiment 1

[0059] Example 1 71% Trifloxystrobin · Enoxastrobin Wettable Powder

[0060]

[0061] The active ingredients and various auxiliary agents are fully mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, a 71% trifloxystrobin · enoxastrobin wettable powder can be obtained.

[0062] The enoxastrobin in this embodiment can be replaced by mandipropamid, azoxystrobin, fluopicolide and orysastrobin to form a new embodiment.

[0063] This embodiment is applied to control tomato downy mildew. Dilute 71% trifloxystrobin · enoxastrobin wettable powder 4000 times with water and spray, and the control effects are 81.2%, 93.7% and 90.3% at 1 day, 7 days and 15 days after application. 25% Trifloxystrobin Suspension Concentrate was used at 3500 times and 5% Enoxastrobin EC was used at 2000 times by the same method, and the imitation rates were 65.6% and 78.9% respectively after 1 day of medicine, and 7 days and 15 days after medicine. The...

Embodiment 250

[0064] Embodiment 250% trifloxystrobin · azoxystrobin suspension concentrate

[0065]

[0066] Mix the active ingredient, dispersant, wetting agent, antifreeze agent, thickener, defoamer and water according to the proportion of the formula, and grind it with a sand mill to obtain 50% trifloxystrobin · azoxybacterium Amine Suspending Agent.

[0067] The azoxystrobin in this embodiment can be replaced by oxastrostrobin, mandipropamid, orysastrobin, and fluopyram to form a new embodiment.

[0068] This embodiment is applied to the prevention and treatment of wheat rust. Dilute 50% trifloxystrobin · azoxystrobin suspension concentrate 5000 times with water and spray, and the control effect is 97.8% and 94.6% respectively 7 days and 15 days after application. 25% trifloxystrobin suspension concentrate is 3500 times and 25% azoxystrobin emulsifiable concentrate is 3000 times, using the same method, the control effect of 7 days and 15 days after the drug is 80.3%, 76.8%, 91.7%, ...

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Abstract

The invention discloses a trifloxystrobin-containing compound pesticide bactericidal composition. The effective ingredients comprise a component A and a component B; the mass ratio of the component A to the component B is 70:1-1:70; the component A is trifloxystrobin; and the component B is one of SYP-1620, mandipropamid, mepanipyrim, fluopicolide and orysastrobin. The invention also discloses a preparation prepared from the composition and suitable for agricultural application. Compared with the simplex trifloxystrobin, the compound bactericidal composition disclosed by the invention has the advantages of obvious synergistic action on various diseases such as downy mildew, rust disease, powdery mildew, leaf spot disease, scab and rice blast, thus improving the control effect; functional mechanisms of the effective ingredients in the bactericidal composition are different from each other, thereby facilitating to overcome the disease resistance and delay the generation of the drug resistance of pests, greatly increasing the dosage of the pesticide in the field, effectively decreasing the environmental pollution and the pesticide residue, and reducing the production and use costs; additionally, according to the trifloxystrobin-containing compound pesticide bactericidal composition disclosed by the invention, the fungicide spectrum is enlarged and the comprehensive control of crop diseases is benefited.

Description

Technical field [0001] The present invention relates to a bactericidal pesticide composition, specifically to a compound pesticide bactericidal composition containing trifloxystrobin and a preparation prepared from the composition and suitable for agricultural use. Background technique [0002] In recent years, due to single-use and unscientific use of drugs, many diseases have become resistant to currently used pesticides, such as downy mildew, powdery mildew, rice blast, etc., which has become a major problem in chemical control. At the same time, frequent pesticide application increases the burden on farmers and intensifies environmental pollution. Therefore, there is an urgent need for new varieties of fungicides that are efficient, low-potency, environmentally friendly, and low-residue. [0003] Trifloxystrobin broad-spectrum fungicides are a new class of fluorinated fungicides successfully developed from the natural product Strobilurins as lead fungicide compounds. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/40A01N37/50A01N37/36A01P3/00
Inventor 汪云强王淼彭文涛张子翱
Owner YONGNONG BIOSCI
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