Tree branch sterilization coating agent as well as preparation method and application thereof

A technology of coating agent and bactericide, which is applied in the field of forest tree branch bactericidal coating agent and its preparation, can solve the problems of short duration, resistance to rain erosion, and low absorption rate of bactericidal substances, etc., and achieves ease of use and low cost. Inexpensive, long-lasting effect of sterilization

Inactive Publication Date: 2019-07-19
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems of traditional fruit tree branch sterilizing drying agent or whitening agent that are not resistant to rain erosion, short duration, and low absorption rate of bactericidal substances in the tree, the applicant aims to develop an ideal tree branch The bactericidal coating agent can be widely used in the prevention and treatment of branches and trunk diseases of fruit trees and forest trees, and it should meet the following requirements:

Method used

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  • Tree branch sterilization coating agent as well as preparation method and application thereof
  • Tree branch sterilization coating agent as well as preparation method and application thereof
  • Tree branch sterilization coating agent as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a bactericidal coating agent for preventing and controlling apple branch stem diseases and its preparation and application. In this example, agent A is 25% pyraclostrobin EC produced by BASF, and the trade name is Kairun; agent B is "Xinshishiliyaguang interior wall latex paint" produced by Nippon Paint. Agent A and Agent B are mixed in a volume ratio of 1:300. The preparation method of the branch and stem disease bactericidal coating agent is as follows: the agent A is directly added to the agent B, and the mixture is evenly mixed to prepare the finished coating agent. The bactericidal coating agent is prepared for immediate use before use, and used up within one week after preparation. The application time of the bactericidal coating agent is mid to late March.

[0035] After the apple branch is coated with a bactericidal coating agent for apple branch disease, a uniform white film layer can be formed on the branch, see figure 1 . The white fi...

Embodiment 2

[0037] In order to detect the duration of pyraclostrobin in the film, the following experiments were performed:

[0038] 1. Experimental setting: The above-mentioned configuration of branch and stem disease germicidal coating agent (pyraclostrobin EC and latex paint mixed in a volume ratio of 1:300) was used as the experimental group, and a control group (pyraclostrobin EC) Mix with starch paste at a volume ratio of 1:300).

[0039] 2. Detection of the retention of effective bactericidal ingredients: The coating agents of the experimental group and the control group were respectively coated on kraft paper labels (5cm×9cm) to form a detection film, which was hung outdoors under natural conditions at the end of May. Take regular sampling with the control group. The sampling method is as follows: use a puncher to periodically take the same size test film sample from the kraft paper coated with the drug film, extract the effective ingredients with methanol, and load the sample for chro...

Embodiment 3

[0045] 1. Experimental group settings: Nippon New Times Liyaguang interior wall latex paint, lime slurry (quick lime and water are prepared in a ratio of 1:5, and 2% starch paste is added to increase its adhesion), starch paste (modified Starch and water were mixed in a ratio of 1:14 and then boiled with water) The three raw materials were used as the substrates and were divided into three experimental groups. Each group was directly mixed with 25% pyraclostrobin EC (Kairun), the volume of the agent and the substrate The ratio is 1:300. After mixing, stir evenly to make three kinds of branch coating agents.

[0046] 2. Detection of the quantity of effective bactericidal ingredients: Wrap the non-woven fabric around the apple trunk and fix it to simulate the surface structure of the apple branch. Apply the three groups of coating agents to the above non-woven fabrics to form a detection film, and take samples regularly. The sampling method is: regularly cut or cut the same size te...

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Abstract

The invention discloses a tree branch sterilization coating agent as well as a preparation method and the application thereof, and relates to the field of application of agricultural bactericides. Thetree branch sterilization coating agent comprises an agent A containing bactericidal components and an agent B serving as a matrix, wherein the agent B is a water-based interior wall coating; the agent A is a methoxyacrylate bactericide and is an original medicine or various preparations using a methoxyacrylate compound as a main bactericidal component; and the coating agent contains 1-2.5 g/L ofmethoxyacrylate bactericide. A protective film layer formed by the tree branch sterilization coating agent on branches of trees not only can effectively protect the branches from infection of pathogenic bacteria as well as sunlight and low-temperature damage, but also can greatly prolong the efficacy lasting period of the bactericidal component and improve the internal absorption treatment effectof the bactericidal component; in addition, the tree branch sterilization coating agent is simple in formula, convenient to prepare and use, and convenient for large-scale promotion and application.

Description

Technical field [0001] The invention relates to the application field of agricultural bactericides, in particular to a forest tree branch bactericidal coating agent, and a preparation method and application thereof. Background technique [0002] Methoxyacrylate fungicides have high-efficiency systemic treatment, protection and eradication effects. They have a broad bactericidal spectrum and have good control effects on a variety of plant diseases. In the prevention and control of fruit trees and forest diseases, methoxy acrylate fungicides can be used to prevent and control various branch and stem diseases, such as canker disease and rot disease. It has the advantages of broad-spectrum, high efficiency, safety, and low toxicity. Commonly used agents for stem diseases, especially fruit stem diseases. However, methoxyacrylate fungicides have poor resistance to rain erosion, are easy to decompose, and have a short lasting period. At present, it is difficult to play their due role i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N25/02A01P3/00
CPCA01N25/02A01N47/24
Inventor 李保华马俊欢李平亮董向丽
Owner QINGDAO AGRI UNIV
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