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Plant volatile oil slow-release core agent and application thereof

A plant volatile oil and slow-release core agent technology, applied in the field of pesticide research and development, can solve the problems of high humidity, fast prevalence of plant diseases, and unsatisfactory spray control effects of fungicides, etc., and achieve the effect of simple preparation method and prolonged effective period

Inactive Publication Date: 2019-02-26
XINYANG AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problems of high humidity in the greenhouse, fast prevalence of plant diseases, and unsatisfactory control effect of fungicide spray, the invention provides a slow-release core agent of plant volatile oil with fungicidal effect

Method used

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  • Plant volatile oil slow-release core agent and application thereof
  • Plant volatile oil slow-release core agent and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 : the preparation of volatile oil slow-release core agent (by weight)

[0024] Weigh 8 parts of L-carvone, 2 parts of D-limonene, 0.05 parts of 2,6-di-tert-butyl-p-cresol, and 0.05 parts of 2-hydroxy-4-methoxybenzophenone, mix well, and weigh Add 10 mg of the mixture dropwise to the desulfurized rubber sheet, and then add 100 μL of n-hexane dropwise to each desulfurized rubber sheet, and wait for the n-hexane to volatilize to obtain it.

Embodiment 2

[0025] Example 2 : the preparation of volatile oil slow-release core agent (by weight)

[0026] Weigh 7 parts of L-carvone, 3 parts of D-limonene, 0.03 parts of 2,6-di-tert-butyl-p-cresol, 0.03 parts of 2-hydroxy-4-methoxybenzophenone, mix well, and weigh Add 10 mg of the mixture dropwise to the desulfurized rubber sheet, and then add 100 μL of n-hexane dropwise to each desulfurized rubber sheet, and wait for the n-hexane to volatilize to obtain it.

Embodiment 3

[0027] Example 3 : Inhibitory effect of two kinds of volatile oil monomer compound on tomato gray mold (Botrytis cinerea)

[0028] Determination method: Mycelia growth rate method.

[0029] Add the melted PDA culture medium in the 90mm petri dish to make a plate with uniform thickness, and inoculate the plant pathogenic fungus cake with a diameter of 5mm for the test in the center of the plate. Place a sterilized circular filter paper piece on the lid of the dish, and add the volatile oil monomer mixture dropwise on the filter paper piece, 2 μL / dish. After the bottom of the dish was buckled, it was sealed with Parafilm, and cultured upside down. After 72 hours, the growth of the fungus was observed, and the diameter of the colony was measured by the cross method, and the antibacterial rate was calculated. Each experiment was repeated three times.

[0030] Bacterial inhibition rate=(average colony diameter of control group-average colony diameter of test group) / average colon...

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Abstract

The invention belongs to the technical field of pesticide research and development and in particular discloses a plant volatile oil slow-release core agent and application thereof. The plant volatileoil slow-release core agent consists of volatile oil monomers and a carrier, wherein the volatile oil monomers comprise L-carvone and D-limonene in a weight ratio of (5-10):(1-5). The plant volatile oil slow-release core agent disclosed by the invention has a good prevention effect on tomato gray mold in a protected land, is simple in preparation method, and is particularly applicable to popularization and application in vegetable planting in protected lands.

Description

technical field [0001] The invention belongs to the technical field of pesticide research and development, in particular to a slow-release core agent of plant volatile oil and its application. Background technique [0002] With the continuous expansion of the planting area of ​​vegetables in protected areas and the extension of cultivation years, a large number of pathogens have accumulated in the protected areas; due to the relatively stable temperature and high relative humidity in the protected areas, which are not easy to disperse, especially in early spring, the external low temperature cannot drain moisture, and the air is relatively Humidity above 90% is conducive to the germination, infection and reproduction of various pathogenic bacteria, leading to the occurrence and spread of major diseases, and the rise of secondary diseases to major diseases. At the same time, due to the frequent use of a certain drug or several pesticides, the resistance of vegetable diseases ...

Claims

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Application Information

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IPC IPC(8): A01N25/10A01N25/18A01N25/22A01N35/06A01N27/00A01P3/00A01P1/00
CPCA01N25/10A01N25/18A01N25/22A01N27/00A01N35/06
Inventor 智亚楠陈月华张方梅王国君王春生陈利军尹健
Owner XINYANG AGRI & FORESTRY UNIV
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