Sterilization composition containing picarbutrazox and application thereof

A composition and technology of active ingredients, applied in the field of bactericidal compositions, can solve the problems of increasing pesticide residues, reducing the control effect, aggravating environmental pollution, etc., and achieving the effects of reducing pesticide residues, increasing action sites, and reducing environmental pollution

Inactive Publication Date: 2017-05-17
DONGGUAN RUIDEFENG BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the long-term use of these agents, they have produced different degrees of drug resistance, and the control effect is reduced.
At the same time, the extensive use of medicaments increases pesticide residues, endangers food safety, and aggravates environmental pollution.

Method used

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  • Sterilization composition containing picarbutrazox and application thereof
  • Sterilization composition containing picarbutrazox and application thereof
  • Sterilization composition containing picarbutrazox and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0040] Biological Assay Example 2: Indoor Toxicity Test of Picarbutrazox, Cyazofamid, and Indazolesulprofesmin on Cucumber Downy Mildew (Pseudoperonospora cubensis)

[0041] The potted method was used in this experiment. Two cucumber seedlings at the true leaf stage with the same growth were selected, and 5 pots of cucumber seedlings for testing were selected for each treatment, and the numbers were reserved for future use. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. Five concentration gradients were set for each agent, and the same amount of water sprayed was used as the blank control. Spray and inoculate the sporangia suspension of cucumber downy mildew after 24 hours of chemical treatment. sporangia, the concentration is 3×10 5 sporangia suspension per mL. After inoculation, cucumber seedlings were placed in an artificial climate box (relative humidity 100%, temperature 15-20°C) for cultivation, and after 24 hours, the temperature was kept at 15...

Embodiment 1

[0066] Example 1: 31% picarbutrazox Cyazofamida suspension concentrate

[0067] picarbutrazox 30%, Cyazofamid 1%, sodium methylnaphthalenesulfonate formaldehyde condensate (dispersant) 10%, sodium lauryl sulfate (wetting agent) 3%, xanthan gum (thickener) 2% , bentonite (thickener) 1%, glycerin (antifreeze) 5%, water to make up to 100%.

[0068] Example 2: 31% picarbutrazox · indazole sulfasulfame suspension concentrate

[0069] picarbutrazox 30%, sulfasulfame 1%, sodium methylnaphthalenesulfonate formaldehyde condensate (dispersant) 10%, sodium lauryl sulfate (wetting agent) 3%, xanthan gum (thickener) 2%, bentonite (thickener) 1%, glycerin (antifreeze) 5%, water to make up to 100%.

Embodiment 3

[0070] Example 3: 31% picarbutrazox · Cyazofamida suspension concentrate

[0071] picarbutrazox 1%, Cyazofamida 30%, polycarboxylate (dispersant) 10%, tea dry powder (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1% , Ethylene glycol (antifreeze) 5%, water to make up to 100%.

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PUM

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Abstract

The invention relates to a sterilization composition containing picarbutrazox. The sterilization composition is prepared from effective ingredients of A and B, wherein the ingredient A is picarbutrazox, the ingredient B is chosen from any of cyazofamid and amisulbrom, the weight ratio of the ingredient A to the ingredient B is (50 to 1) to (1 to 50), and the mass percent content of an active ingredient in the composition is 5% to 80%. The composition can be prepared into dosage forms like a suspending agent, wettable powder, water dispersible granule and the like. Application places of the sterilization composition are farmland, orchards and the like, the sterilization composition can be used to prevent and treat varieties of oomycete diseases like late blight, downy mildew, epidemic diseases and like of crops including vegetables, fruit trees, flowers and the like.

Description

technical field [0001] The invention relates to a fungicide composition, in particular to a fungicide composition containing picarbutrazox and its application for preventing and treating crop diseases, belonging to the field of agricultural fungicides. Background technique [0002] Potato late blight (Potato Late Blight) is caused by Phytophthora infestans, a devastating oomycete disease that causes potato stem and leaf death and tuber rot. Main symptoms: When the leaves are infected, water-soaked green-brown spots appear on the tip or edge of the leaves, with a light green halo around the spots. When the humidity is high, the spots expand rapidly and turn brown, and produce a circle of white mold, that is, cysts Stems and sporangia, especially on the back of leaves are the most obvious; when dry, the lesions turn brown and dry, brittle and easy to crack, no white mold, and the expansion speed slows down. Brown streaks appear on stems or petioles. Severely affected leaves ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/18A01N43/50A01N43/653A01P3/00
CPCA01N47/18A01N43/50A01N43/653A01N2300/00
Inventor 张承来吴成林戴兰芳蒋卫国彭勇
Owner DONGGUAN RUIDEFENG BIO TECH
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