Sterilization composite based on phenazino-1-carboxylicacid

A technology of shenzimycin and its composition, which is applied in the field of agricultural fungicidal compositions containing shenzimycin, and can solve the problems that the combined application of shenzimycin and triazoles has not been reported.

Active Publication Date: 2013-06-19
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the combined application of

Method used

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  • Sterilization composite based on phenazino-1-carboxylicacid
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  • Sterilization composite based on phenazino-1-carboxylicacid

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Bioassay Example 1: Indoor Toxicity Determination of Shenzimycin and Propiconazole Compound to Rice Sheath Blight

[0025] Test object: Rice sheath blight (Rhizoctonia solani), collected from the field, separated and purified indoors.

[0026] Test method: refer to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", that is, the mycelium growth rate method. Dissolve the original drug with acetone, dilute with 0.1% Tween 80 water, and prepare 6 series of mass concentrations. Under sterile conditions, take 5 mL of the prepared medicinal solution and mix them with 75 mL of culture medium evenly to make 4 plates containing medicine, and mix an equal amount of sterile water with the culture medium as a control. Under aseptic conditions, the cultured cucumber blight was cut out from the edge with a sterilized puncher with a diameter of 5 mm. Use an inoculator to inoculate the fungus cake on the center of the drug-containing plate, with the mycel...

example 2

[0035]Bioassay Example 2: Indoor Toxicity Determination of Shenzimycin and Hexaconazole Complex on Rice Sheath Blight

[0036] Test object: Rice sheath blight (Rhizoctonia solani), collected from the field, separated and purified indoors.

[0037] Test method: refer to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", that is, the mycelium growth rate method. The test method is the same as that of biological assay example 1, and the least square method is used to calculate the inhibitory intermediate concentration EC50, and then the co-toxicity coefficient (CTC) is calculated according to Sun Yunpei's method. When CTC120, the composition exhibits synergistic effect.

[0038] Actual Toxicity Index (ATI) = (standard drug EC50 / test drug EC50) × 100

[0039] Theoretical toxicity index (TTI) = Toxicity index of agent A × percentage of A in the mixture + toxicity index of agent B × percentage of B in the mixture

[0040] Co-toxicity coefficient (CTC...

example 3

[0044] Bioassay Example 3: Indoor Toxicity Test of Shenzimycin and Difenoconazole Compound on Rice Sheath Blight

[0045] Test object: Rice sheath blight (Rhizoctonia solani), collected from the field, separated and purified indoors.

[0046] Test method: refer to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", that is, the mycelium growth rate method. The test method is the same as that of biological assay example 1, and the least square method is used to calculate the inhibitory intermediate concentration EC50, and then the co-toxicity coefficient (CTC) is calculated according to Sun Yunpei's method. When CTC120, the composition exhibits synergistic effect.

[0047] Actual Toxicity Index (ATI) = (standard drug EC50 / test drug EC50) × 100

[0048] Theoretical toxicity index (TTI) = Toxicity index of agent A × percentage of A in the mixture + toxicity index of agent B × percentage of B in the mixture

[0049] Co-toxicity coefficient (CTC) = [...

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Abstract

The invention relates to a sterilization composite based on phenazino-1-carboxylicacid. Effective constituents of the sterilization composite based on the phenazino-1-carboxylicacid comprises the phenazino-1-carboxylicacid and one kind of triazole compound, the mass ration of the phenazino-1-carboxylicacid to the triazole compond is 50:1-1:50, and the effective constituents account for 1%-90% of the total weight. The sterilization composite based on the phenazino-1-carboxylicacid can be produced into a suspending agent, wetting powder, a seed coating agent, water emulsion, missible oil, granules and water dispersible granules. The sterilization composite based on the phenazino-1-carboxylicacid is mainly used for preventing diseases of vegetable crops, fruit crops and food crops.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to an agricultural bactericidal composition containing shenzimycin. Background technique [0002] In recent years, unscientific drug use by growers has caused many pathogenic bacteria to be highly resistant to widely used pesticides, seriously reducing the level of chemical agents to control diseases, insect pests and weeds. In this case, in order to control diseases, insect pests and weeds, farmers will increase the amount of pesticides and increase the frequency of pesticides. This increases the cost of planting agricultural products and aggravates the pollution of pesticides to food and the environment. Therefore, high-efficiency, low-toxic, safe, and environmentally friendly fungicides are a continuous demand for agricultural production. [0003] Shenzimycin is a fermentation product of Pseudomonas fluorescens M18, the main component is phenazine-1-carboxylic acid (phenazine-1-car...

Claims

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Application Information

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IPC IPC(8): A01N43/60A01N43/653A01P3/00
Inventor 唐彩乐曹明章张华东王新军陈树茂李广泽
Owner SHENZHEN NOPOSION AGROCHEM
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