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Application of bactericidal composition containing hinokitiol, plant essential oil and main components of hinokitiol and plant essential oil in prevention and treatment of plant diseases and mould

A technology of plant essential oil and juniper alcohol, which is applied in the directions of botanical equipment and methods, fungicides, plant growth regulators, etc., can solve the problems of increasing the dosage of drugs, strong toxic and side effects, and many drug residues, and achieves the reduction of drug costs, The effect of improving the control effect, the effect of improving the control effect

Pending Publication Date: 2021-06-01
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to long-term unreasonable use, fungi have produced varying degrees of resistance to these chemical fungicides, resulting in increased dosage to achieve the desired bactericidal effect, resulting in more drug residues and strong side effects

Method used

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  • Application of bactericidal composition containing hinokitiol, plant essential oil and main components of hinokitiol and plant essential oil in prevention and treatment of plant diseases and mould
  • Application of bactericidal composition containing hinokitiol, plant essential oil and main components of hinokitiol and plant essential oil in prevention and treatment of plant diseases and mould
  • Application of bactericidal composition containing hinokitiol, plant essential oil and main components of hinokitiol and plant essential oil in prevention and treatment of plant diseases and mould

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: a kind of fungicide composition containing hinokitiol and plant essential oil and main component thereof, comprises active component A and active component B (as shown in structural formula 1), described active component A is hinokitiol, so The above-mentioned active component B is plant essential oil and its main components.

[0016]

Embodiment 2

[0017] Example 2: Indoor activity determination of hinokinokitiol and active component B mixed against Rhizoctonia solani

[0018] The phytopathogenic bacteria used in this experiment were strains stored at 4°C in the laboratory, and the medium used was potato agar dextrose medium (abbreviated as PDA). PDA medium formula: potato (peeled) 200g, glucose 20g, agar 15g, distilled water 1000mL, natural pH.

[0019] The mixed synergistic effect of fungicides is calculated according to the Wadley (1967) formula to calculate the synergistic effect coefficient after mixing different agents:

[0020]

[0021]

[0022] In the formula, a and b respectively represent the proportions of hinoki alcohol (A), plant essential oil and its main component (B) in the mixture, EC 50 (A), EC 50 (B) represent the actual observed EC 50 value, EC 50 (Exp) represents the theoretical EC of two agents A and B mixed according to a:b 50 value, EC 50 (Obs) is the actual observed EC after mixing th...

Embodiment 3

[0033] Example 3: Indoor Activity Measurement of Hinokitiol and Active Component B Mixed to Botrytis Botrytis

[0034] Table 3 shows the synergistic effect of hinokitiol and active component B on indoor toxicity of gray mold of tomato.

[0035] Table 3. The synergistic effect of hinokitiol and active component B on indoor virulence of Botrytis cinerea

[0036]

[0037]

[0038] It can be seen from Table 3 that when the mixing mass ratio of hinokitiol and active component B is 1:1, 1:10, 1:30, and 1:50, there is basically no synergistic effect on tomato gray mold, and most of the compositions are in the additive state. effect. Only at the ratio of hinokitiol: clove essential oil 1:50 showed synergistic effect, SR was 1.65.

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PUM

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Abstract

The invention discloses a bactericidal composition containing hinokitiol, plant essential oil and main components of the hinokitiol and the plant essential oil, wherein the active components of the bactericidal composition are hinokitiol, origanum essential oil, clove essential oil, thyme essential oil, carvacrol, eugenol and thymol, and the mass part ratio of the hinokitiol to the origanum essential oil to the clove essential oil to the thyme essential oil to the carvacrol to the eugenol to the thyme is 1:1, 1:10, 1:30 and 1:50. According to the invention, the bactericidal composition can be used for preventing and treating rhizoctonia solani, sclerotinia rot of colza, botrytis cinerea, wheat scab, rice blast, fusarium wilt of cotton and aspergillus flavus; the components are all natural products and are harmless to the environment; and the influence of pesticides on the environment is expected to be reduced, the pesticide use cost is reduced, the generation of pesticide resistance of diseases can be delayed or overcome, the service life of the pesticide is prolonged, and the comprehensive management of the diseases is facilitated.

Description

technical field [0001] The bactericidal composition involved in the present invention uses hinokitiol, plant essential oil and its main components as active ingredients, and is used for preventing and treating Rhizoctonia solani, Sclerotinia sclerotiorum, tomato gray mold, wheat scab, rice blast, cotton Plant diseases caused by Fusarium wilt and use in Aspergillus flavus. Background technique [0002] Plant pathogenic fungi are one of the most common and most harmful diseases in the process of crop cultivation. According to the estimates of the Food and Agriculture Organization of the United Nations, the annual loss of grain and cotton production in the world due to diseases is more than 10%. my country is a big agricultural country and also a big country of food production. Wheat and rice are the main food crops in our country. Rapeseed, tomato, cotton, potato, corn, watermelon, pepper, etc. are the main economic crops. At present, there are different degrees of diseases. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N35/06A01N31/08A01N31/16A01N65/28A01N65/22A01P3/00
CPCA01N31/08A01N31/16A01N35/06A01N65/00A01N65/22A01N65/28
Inventor 刘映前周锐张智军王朝辉贺颖慧杜莎莎吴天琳赵文斌杨程杰唐晨胡勇梅马越
Owner LANZHOU UNIVERSITY
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