Soil fumigation product taking cinnamyl aldehyde as active component and application of soil fumigation product

A technology of cinnamaldehyde and fumigant, applied in the field of pesticides

Inactive Publication Date: 2021-03-16
SHANDONG UNITED PESTICIDE IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the control effect of cinnamaldehyde on root-knot nematodes and related fungal diseases still needs to be further improved.

Method used

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  • Soil fumigation product taking cinnamyl aldehyde as active component and application of soil fumigation product
  • Soil fumigation product taking cinnamyl aldehyde as active component and application of soil fumigation product
  • Soil fumigation product taking cinnamyl aldehyde as active component and application of soil fumigation product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0120] Embodiment 2 is to underground insect pest toxicity test

[0121] Root-knot nematode: refer to NY / T 1833.1-2009 "Pesticide Indoor Bioassay Test Guidelines for Nematicides" Part 1: Inhibition of plant pathogenic nematodes test by insect dipping method. On the basis of pre-testing to determine the concentration range of the agent, dilute cinnamaldehyde (1% acetone solution) with clear water to 5 to 7 serial concentrations, and use an aqueous solution containing Tween 80 emulsifier and acetone (wherein the volume ratio of acetone and water 5:95) (Tween 80+diluted 100 times with acetone) as a control. Prepare the collected second-instar larvae into a suspension (about 100 pieces / mL) with clean water, pipette 0.5mL of the drug solution and 0.5mL of the second-instar larvae suspension into a 2mL counting dish, repeat 3 times, and use Thin glass rods were mixed and placed in a constant temperature incubator at 25°C. After 48 hours, the number of dead and alive nematodes was c...

Embodiment 3

[0128] Embodiment 3 control soil-borne disease test

[0129] Mycelium growth rate method: This test is determined by the mycelium growth rate method in accordance with the Agricultural Industry Standard of the People's Republic of China (NY / T1156.2-2006). The medicament (cinnamaldehyde) was diluted with sterile water into a series of concentration gradient mother solutions (25mg / L, 50mg / L, 100mg / L, 150mg / L, 200mg / L). Under aseptic operation conditions, according to the test treatment, quantitatively add the pre-thawed culture medium into the sterile conical flask, quantitatively absorb the liquid medicine from low concentration to high concentration, add them respectively to the above conical flasks, and shake well. Then pour the same amount into three petri dishes with a diameter of 9 cm to make a PDA plate containing the drug at the corresponding concentration; the cultured pathogenic bacteria were punched from the edge of the colony with a sterilized puncher with a diameter...

Embodiment 4

[0134] Embodiment 4 field efficacy test

[0135] Test drug:

[0136] Table 4 Reagent table

[0137]

[0138]

[0139] 5% cinnamaldehyde EC: 5% cinnamaldehyde, 2% 2,6-di-tert-butyl-4-methylphenol (BHT), 8% Tween 80, and cyclohexanone.

[0140] 5% cinnamaldehyde emulsion in water: 5% cinnamaldehyde, 2% 2,6-di-tert-butyl-4-methylphenol (BHT), 8% Tween 80, 20% cyclohexanone, and water.

[0141] 5% cinnamaldehyde granules: 5% cinnamaldehyde, 2% 2,6-di-tert-butyl-4-methylphenol (BHT), 2% DMSO, 5% NNO, filled with bricks.

[0142] The formulations involving 5% cinnamaldehyde emulsifiable concentrate, 5% cinnamaldehyde water emulsion and 5% cinnamaldehyde granules in the following examples are the same as here.

[0143] Test crop: cucumber

[0144] Control object: root-knot nematode

[0145] Dosage of active ingredients: 1.5 kg / ha

[0146] Disease index survey and preventive effect survey methods:

[0147] Crush the diseased roots of cucumber root knots, mix them with 9 t...

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Abstract

The invention belongs to the technical field of pesticides, and particularly relates to a soil fumigation product taking cinnamyl aldehyde as an active component and application of the soil fumigationproduct. The fumigation product is used for soil fumigation after film mulching, and plant diseases and insect pests causing soil continuous cropping obstacles can be effectively prevented and eliminated. The soil fumigation product can be used before and after crop planting. The fumigation product disclosed by the invention is long in lasting period, the lasting period of active ingredients canbe prolonged to a great extent, the problem of volatilization along with water is reduced, and the irritation of cinnamyl aldehyde to human skin is reduced. Compared with an existing fumigant, the fumigation product can be used for soil fumigation before crop planting, can also be used for soil fumigation after crop planting to prevent and remove soil-borne diseases and insect pests, is safe to crop seedlings, and can be used in the whole growth season.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a soil fumigation product with cinnamaldehyde as an active component and an application thereof. Background technique [0002] With the continuous expansion of greenhouse planting areas in my country and repeated planting of crops year after year, soil continuous cropping barriers have become a major aspect restricting the growth of crops in greenhouses. The main cause of crop continuous cropping barriers is soil-borne diseases and insect pests. Disinfection is one of the most commonly used methods to prevent and control continuous cropping obstacles. At present, the soil fumigants widely used in production are mainly melon, metamac, chloropicrin, furfural, and allyl isothiocyanate. Among them, furfural is registered in the United States, the original drug (content 99.7%, EPA registration number 75753-2) and preparation (Agriguard multiguard protect, content 90.0%, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N35/02A01N25/18A01P5/00A01P7/04A01P1/00A01P3/00
CPCA01N25/18A01N35/02
Inventor 吴建挺许辉韩君赵恭文
Owner SHANDONG UNITED PESTICIDE IND CO LTD
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