Eugenol, osthol complex biological bactericide

A technology for compounding fungicides and ostholes, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of high cost, no relevant reports and applications, achieve low toxicity, overcome the tendency to produce antibacterial drugs, etc. performance, cost reduction

Inactive Publication Date: 2007-09-19
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this compound cannot be artificially synthesized, and the cost is relatively high
[0007] About the compo

Method used

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  • Eugenol, osthol complex biological bactericide
  • Eugenol, osthol complex biological bactericide
  • Eugenol, osthol complex biological bactericide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: Indoor formulation screening of compounded eugenol and osthole

[0017] 1. Drugs to be tested

[0018] A. 99.0% eugenol was purchased from Nanjing Fengze Native Animal Products Co., Ltd., dissolved in 70% ethanol, and prepared as a 10000 μg / ml mother liquor for later use.

[0019] B. 94.7% osthole, purchased from Longquan Hi-Tech Biological Products Company in Chengdu, Sichuan, dissolved in 70% ethanol, and prepared as a 10000 μg / ml mother solution for future use.

[0020] 2. Test strains

[0021] Rice sheath blight (Rhizoctonia solani), rape sclerotiorum (Sclerotinia sclerotiorum), tomato gray mold (Botrytis cinerea) (all provided by the Institute of Food Quality Safety and Testing, Jiangsu Academy of Agricultural Sciences).

[0022] 3. Test method

[0023] Adopt mycelia growth rate measurement method: the test is established with 9 treatments, i.e. eugenol, osthole, 5 different proportions of eugenol and osthole, solvent control and blank control, and th...

Embodiment 2

[0039] Embodiment 2: field efficacy test of eugenol and osthole compound fungicide

[0040] Field test of eugenol and osthole compound fungicide for controlling strawberry powdery mildew (the test program was designed according to the "Pesticide Field Efficacy Test Guidelines (2)"):

[0041] 1. Experimental Design and Arrangement

[0042] 1. Test crops and control objects.

[0043] Test crops: Strawberry, the variety is Fengxiang.

[0044] Control object: Strawberry powdery mildew, the pathogen is Sphaerotheca pannosa.

[0045] 2. Drugs to be tested

[0046] Test drug:

[0047] 20% eugenol microemulsion, Jiangsu Academy of Agricultural Sciences, the effective concentration is 300μg / ml.

[0048] 1% osthole water emulsion, Jiangsu Academy of Agricultural Sciences, effective concentration is 40μg / ml.

[0049] 22.5% eugenol·osthole microemulsion (active ingredient: 20% eugenol + 2.5% osthole), Jiangsu Academy of Agricultural Sciences, the effective concentration is 200 μg / ml...

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Abstract

The invention provides a eugenol and osthole complex biological bactericide, which is composed of eugenol and osthole, wherein the ratio (by weight) of eugenol to osthole is between 1:1 and 8:1. Eugenol and osthole are from plant and is safe to the human and the environment. Because the action mechanism of the bactericide to plant pathogenic bacteria is different from prior composition, after applying the bactericide to plant, the pathogenic bacteria is difficult to produce drug resistance to the bactericide.

Description

technical field [0001] The invention relates to a fungicide for preventing and treating plant diseases, belonging to the field of plant protection, in particular to a biological fungicide compounded from plant-derived natural compounds eugenol and osthole. Background technique [0002] About 80% of plant diseases are caused by fungi. Plant fungal diseases not only reduce the yield and quality of crops, but also cause greater damage and losses during the storage, processing, and transportation of agricultural products, and some of them can also produce mycotoxin pollution. Many plant diseases such as powdery mildew, gray mold, blight, downy mildew, sheath blight, leaf spot, etc. have become the main diseases affecting agricultural production. At present, chemical fungicides are mainly used to prevent and control plant fungal diseases. With the increase in the frequency and amount of chemical pesticides used, their potential disadvantages are gradually exposed: (1) high toxi...

Claims

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Application Information

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IPC IPC(8): A01N43/16A01P3/00A01N31/08
Inventor 王春梅石志琦陈浩范永坚
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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