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Pesticide composition containing pseudolaric acid and application of pesticide composition to prevention and treatment of plant diseases

A hibiscus bark acetic acid and composition technology, applied in the field of pesticide composition containing hibiscus bark acetic acid and its application in preventing and controlling plant diseases, to achieve the effects of improving the control effect, prolonging the service life, and delaying the generation of drug resistance

Pending Publication Date: 2022-07-29
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no relevant report on the combined application of hibiscus bark acetic acid, small molecule phenolic compounds, and plant essential oils

Method used

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  • Pesticide composition containing pseudolaric acid and application of pesticide composition to prevention and treatment of plant diseases
  • Pesticide composition containing pseudolaric acid and application of pesticide composition to prevention and treatment of plant diseases
  • Pesticide composition containing pseudolaric acid and application of pesticide composition to prevention and treatment of plant diseases

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: a fungicide composition containing hibiscus acetic acid, small molecular phenolic compounds, and plant essential oils, comprising active component A and active component B (as shown in structural formula 1), the active component A It is hibiscus bark acetic acid, and the active component B is a small molecule phenolic compound and a plant essential oil.

[0017]

[0018] Active ingredient B: thymol, carvacrol, eugenol, paeonol, bakuchiol, thyme essential oil, patchouli essential oil, clove essential oil, oregano essential oil, cinnamon essential oil, cinnamaldehyde.

[0019] Table 1 Antibacterial activity of hibiscus acetic acid and active component B against 7 agricultural pathogens

[0020]

[0021]

Embodiment 2

[0022] Example 2: Indoor activity determination of Sclerotinia sclerotiorum by mixing hibiscus bark acetic acid and active component B

[0023] 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 (PDA for short). PDA medium formula: potato (peeled) 200g, glucose 20g, agar 15g, distilled water 1000mL, natural pH.

[0024] PDA medium configuration method: Wash and peel the potatoes, weigh 200g and cut them into small pieces, boil in distilled water for about 20min (the potato pieces are soft but not rotten), filter with eight layers of gauze, make up the filtrate to 1000mL with distilled water, add 15g of agar , 20g glucose, stir to make it fully dissolved, pack it in a conical flask, sterilize at 121 ℃ for 20 minutes, and cool it for later use.

[0025] The indoor activity was measured by the mycelial growth rate method.

[0026] (1) Activation of strains: Plant pathogenic bacte...

Embodiment 3

[0039] Example 3: Determination of indoor activity of hibiscus bark acetic acid and active component B on tomato Botrytis cinerea

[0040] Table 3 shows the indoor virulence synergistic effect of the mixture of hibiscus bark acetic acid and active component B on tomato Botrytis cinerea.

[0041] Table 3. Indoor virulence synergistic effect of hibiscus bark acetic acid and active component B on tomato Botrytis cinerea

[0042]

[0043]

[0044]

[0045]It can be seen from Table 3 that the mixing mass ratio of hibiscus acetic acid and active component B is 1:1, 1:10, 1:30, 1:50, 1:100, which has obvious synergistic effect on tomato Botrytis cinerea , among them, the SR values ​​were as high as 13.02, 14.44, and 11.00 respectively at the mass ratio of ginseng bark acetic acid and cinnamaldehyde, paeonol, and bakuchiol; , Bakuchiol at a mass ratio of 1:10, the SR values ​​are as high as 11.13, 10.82, 11.58, 10.80, respectively; at the mass ratio of 1:30, the SR values ​​...

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Abstract

The invention discloses a bactericidal composition containing pseudolaric acid, a small molecular phenolic compound and plant essential oil. The bactericidal composition comprises effective components of pseudolaric acid, thymol, carvacrol, eugenol, paeonol, bakuchiol, thyme essential oil, pogostemon cablin essential oil, clove essential oil, origanum vulgare essential oil, cinnamon essential oil and cinnamyl aldehyde. The mass part ratio of the pseudolaric acid to the small molecular phenolic compound to the plant essential oil is 1: 1, 1: 10, 1: 30, 1: 50 and 1: 100. The bactericidal composition disclosed by the invention can be used for preventing and treating rhizoctonia solani, sclerotinia sclerotiorum, botrytis cinerea, fusarium graminearum, magnaporthe oryzae and fusarium oxysporum of cotton; according to the invention, the application cost of the Pseudolaricin is reduced, the generation of drug resistance of diseases is expected to be delayed or overcome, the service life of the medicament is prolonged, and the green treatment of the diseases is facilitated.

Description

technical field [0001] The pesticide composition involved in the present invention is composed of active component A: hibiscus acetic acid and active component B: thymol, carvacrol, eugenol, paeonol, bakuchiol, thyme essential oil, patchouli Essential oil, clove essential oil, oregano essential oil, cinnamon essential oil, and cinnamaldehyde are the active ingredients, which are suitable for the prevention and control of Rhizoctonia solani, Sclerotinia sclerotiorum, tomato Botrytis cinerea, wheat scab, rice blast, cotton fusarium wilt, Use on plant diseases caused by Phytophthora capsicum. Background technique [0002] In recent years, the problem of drug resistance has attracted wide attention from countries all over the world. The unreasonable application and even abuse of antibiotics is one of the important factors causing drug resistance. The abuse of antibiotics is mainly manifested in three aspects: clinical medication, patients and unreasonable use in animal husbandr...

Claims

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Application Information

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IPC IPC(8): A01N43/16A01N31/08A01N31/16A01N35/04A01N35/02A01N65/22A01N65/28A01N65/24A01P3/00
CPCA01N43/16A01N31/08A01N31/16A01N35/04A01N35/02A01N65/00A01N65/22A01N65/28A01N65/24
Inventor 刘映前赵文斌张智军吴天琳贺颖慧杜莎莎杨程杰燕银芳
Owner LANZHOU UNIVERSITY
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