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Bactericidal composition containing pyrimorph and epoxiconazole

A technology containing pyrimorph and pyrimorph, applied in the field of pesticides, to achieve the effect of expanding the scope of sterilization, reducing the amount of mu and the cost of use, and good synergistic effect

Inactive Publication Date: 2015-04-22
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no relevant reports on the compounding of fenpyramorph and epoxiconazole at home and abroad.

Method used

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  • Bactericidal composition containing pyrimorph and epoxiconazole
  • Bactericidal composition containing pyrimorph and epoxiconazole
  • Bactericidal composition containing pyrimorph and epoxiconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Example 1 Indoor toxicity test of pyrimorph and epoxiconazole compound against rice blight.

[0033] The effective inhibitory concentration range of each agent was determined by pre-test, and clear water was set as control. Refer to the "Pesticide Indoor Bioassay Test Guidelines for Fungicides", and use the mycelial growth rate method to determine the toxicity of the pesticides to the mycelial growth of R. solani. After 72 hours, the colony diameter was measured by the cross method, and the net growth and mycelial growth inhibition rate of each treatment were calculated.

[0034] Net growth (mm) = measured colony diameter - 5

[0035]

[0036] The mycelia growth inhibition rate was converted into a probability value (y), and the concentration of the medicinal solution (μg / mL) was converted into a logarithmic value (x), and the toxicity regression equation (y=a+bx) was obtained by the least square method, and by This calculates the EC for each agent 50 value. At t...

Embodiment 230

[0046] Embodiment 230% pyrimorph. Epoxiconazole wettable powder

[0047] 15% pyrimorph, 15% epoxiconazole, 8% saponin powder, 5% polycarboxylate, 5% wetting agent pulling powder BX, 5% lignosulfonate, 3 sodium lauryl sulfate %, 5% diatomite, and 100% kaolin. The above raw materials are mixed according to the conventional method of preparing wettable powder, pulverized to a certain fineness, and then mixed into a finished product to obtain 30% fenpyroline. Fluorocycline Azole wettable powder.

Embodiment 360

[0048] Embodiment 360% pyrimorph. Epoxiconazole wettable powder

[0049] 48% pyrimorph, 12% epoxiconazole, 6% saponin powder, 3% polycarboxylate, 5% wetting agent pull-open powder BX, 3% sodium lauryl sulfate, 4 lignosulfonate %, white carbon black 10%, and kaolin to make up 100%, the above raw materials are mixed according to the conventional method of preparing wettable powder, pulverized, and then mixed into a finished product to obtain 60% dipyril-epoxiconazole wettable powder .

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PUM

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Abstract

The invention discloses a bactericidal composition containing pyrimorph and epoxiconazole, and belongs to the technical field of pesticides. The effective active ingredients of the bactericidal composition contain pyrimorph and epoxiconazole in the weight ratio of 1:20 to 20:1. Additives and fillers are added into the active ingredients to prepare wettable powder, water dispersible granules and suspension agents. The bactericidal composition disclosed by the invention has very obvious complementary and synergistic effects, can alleviate the generation of drug resistance of bacteria, and is widely applied to the field of agriculture.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a bactericidal composition containing pyrimorph and epoxiconazole. Background technique [0002] Oomycete diseases occur widely all over the country. Diseases caused by oomycetes account for about 20% of vegetable diseases, which can cause a 10% to 30% reduction in vegetable production, and in severe cases it can reach 80%, or even extinction. Bring extremely serious economic losses to agricultural production. [0003] At present, due to the long-term and large-scale use of the pesticides used in farmland to effectively prevent and control oomycete diseases, the pathogens have developed high drug resistance. Therefore, it is of great significance to develop new compound fungicides with high efficiency and slow down the resistance of bacteria. [0004] Pyrimorph, chemical name: (E)-3-(2-chloropyridin-4-yl)-3-(4-tert-butylphenyl)-acryloylmorpholine, structural formula: [000...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/84A01P3/00A01N43/653
Inventor 肖玉梅覃兆海李红万川吴燕华
Owner CHINA AGRI UNIV
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