Anti-freezing disease prevention film agent for trees and preparation method and application thereof

A tree and film agent technology, applied in the field of composite antifreeze and disease prevention film agents, can solve the problems of inability to achieve comprehensive control, short protection time, and no bacteriostatic and bactericidal effects.

Inactive Publication Date: 2014-07-02
辽宁省杨树研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Trees are damaged by overwintering and dry up or die, which is the result of the combined effects of low temperature, wind, ice nuclei bacteria, canker and skin rot bacteria. , Anti-freeze, anti-water loss function, the disadvantage is that the membrane has poor waterproof performance, short protection time, no antibacterial and bactericidal effect or only works on bacteria or fungi, and cannot achieve comprehensive control effect
Because there is no antifreeze and disease prevention agent suitable for trees at present, trees such as poplar, hazelnut, and apricot have extensive overwintering damage and frozen flowers and fruit problems, including canker and skin rot induced by freezing damage, which is harmful to forestry and fruit trees. severe loss of production

Method used

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  • Anti-freezing disease prevention film agent for trees and preparation method and application thereof
  • Anti-freezing disease prevention film agent for trees and preparation method and application thereof
  • Anti-freezing disease prevention film agent for trees and preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0087]Embodiment 1, tree antifreeze and disease prevention film agent and effect thereof

[0088] One, prepare tree antifreeze and disease prevention film agent

[0089] The present embodiment has prepared following 9 kinds of tree antifreeze and disease prevention film agents:

[0090] The tree antifreeze and disease prevention film agent (1) is composed of: 400 parts by mass of chitosan, 200 parts by mass of glycerin, 50 parts by mass of ethylene glycol, 50 parts by mass of dimethyl sulfoxide, 2-methyl-4-iso 29 parts by mass of thiazolin-3-one, 1 part by mass of 5-chloro-2-methyl-4-isothiazolin-3-one, and 9270 parts by mass of water.

[0091] The tree antifreeze and disease prevention film agent (2) is composed of: 600 mass parts of chitosan, 500 mass parts of potassium dihydrogen phosphate, 100 mass parts of glycerol, 50 mass parts of ethylene glycol, 50 mass parts of dimethyl sulfoxide, 29 parts by mass of 2-methyl-4-isothiazolin-3-one, 1 part by mass of 5-chloro-2-methy...

Embodiment 2

[0123] Embodiment 2, tree antifreeze and disease prevention film agent and antibacterial effect thereof

[0124] One, prepare tree antifreeze and disease prevention film agent

[0125] The present embodiment has prepared following 4 kinds of tree antifreeze and disease prevention film agents:

[0126] Tree antifreeze and disease prevention film agent A consists of: 600 mass parts of chitosan, 500 mass parts of potassium dihydrogen phosphate, 100 mass parts of glycerol, 50 mass parts of ethylene glycol, 50 mass parts of dimethyl sulfoxide, 2- 0.2 parts by mass of methyl-4-isothiazolin-3-one, 1 / 150 parts by mass of 5-chloro-2-methyl-4-isothiazolin-3-one, and about 8699.8 parts by mass of water.

[0127] Tree antifreeze and disease prevention film agent B consists of: 600 mass parts of chitosan, 500 mass parts of potassium dihydrogen phosphate, 100 mass parts of glycerol, 50 mass parts of ethylene glycol, 50 mass parts of dimethyl sulfoxide, 2- 1 part by mass of methyl-4-isothi...

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Abstract

The invention discloses an anti-freezing disease prevention film agent for trees as well as a preparation method and the application thereof. The anti-freezing disease prevention film agent consists of main ingredients and water, wherein the main ingredients comprise the following components in part by mass: 200-1,100 parts of film-forming material, 1-100 parts of 2-methyl-isothiazolin-3-ketone, 0.033-3.3 parts of 5-chlorine-2-methyl-4-isothiazolin-3-ketone, 10-80 parts of dimethyl sulfoxide and 10-80 parts of ethylene glycol; and the film-forming material is a or b, wherein a is chitosan, and b is chitosan and carboxymethyl cellulose. The anti-freezing disease prevention film agent for trees can take a better control effect on frozen damages caused by low temperature, wind, ice nucleating bacteria and the like, is suitable for frost prevention and overwinter protection of sapling stems and branches of poplars, hybrid hazelnut trees, apple trees and other trees, as well as late spring cold prevention, cytospora chrysosperma prevention and canker prevention after blossom of apricot trees, pear trees and the like in early spring, and wound surface protection after scraping of scabs.

Description

technical field [0001] The present invention relates to an antifreeze and disease-preventing film agent for trees and its preparation method and application, in particular to the prevention of tree stems, branches, flowers, and jelly damage, and the prevention and treatment of canker and skin rot. . Background technique [0002] In northern my country, fast-growing poplars such as black poplars and hybrids of black poplars and green poplars have gradually replaced native poplars as the main planting species. However, in Liaoning, Jilin, Heilongjiang, Inner Mongolia, and parts of Hebei, young fast-growing poplar trees often suffer from overwintering damage such as freezing damage and die in special years, and even large trees often suffer from dry shoots and death. Similar problems also occurred in the introduction and cultivation of chestnuts, hybrid hazelnuts, apples and other fruit trees. Apricot and pear trees often suffer from flower bud freezing damage in late spring. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01N59/26A01P1/00A01P3/00A01N3/00
Inventor 杨成超王胜东杨志岩彭建东李晓宇赵继梅
Owner 辽宁省杨树研究所
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