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Quick liquid film forming agent capable of preventing pine wilt disease spreading

A film-forming agent and liquid technology, applied in the field of pine wood nematode disease control, can solve the problems of heavy bagging and other problems, and achieve the effects of preventing the spread of pine wood nematode disease, good lethal effect, and difficult toughness

Active Publication Date: 2017-11-10
HANSHAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although, exposure to the sun after bagging can save the fumigation step, but bagging is also a heavy work

Method used

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  • Quick liquid film forming agent capable of preventing pine wilt disease spreading
  • Quick liquid film forming agent capable of preventing pine wilt disease spreading
  • Quick liquid film forming agent capable of preventing pine wilt disease spreading

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation of embodiment 1 liquid film-forming agent

[0031] The first step of solvent preparation: n-butanol and ethyl acetate are mixed at a volume ratio of 1:1 to prepare a solvent.

[0032] In the second step, take 30 parts of polyvinyl butyral and 30 parts of polyamide, and mix them evenly.

[0033] The third step is to take the prepared solvent, put it in a closed container, slowly add the above mixture under stirring, and vibrate on a shaker after sealing until it is completely dissolved. After it is completely dissolved, add 2 parts of dioctyl phthalate, 0.5 part of BHT, 0.1 part of hydrophobic nano-silica, 0.5 part of light stabilizer 770, and 1 part of alcohol-soluble nigrosine into the solution, stir to dissolve, and add to prepare The solvent makes the total amount 1000ml.

[0034] The fourth step is to quantitatively seal the solution and pack it according to the requirements.

Embodiment 2

[0035] The preparation of embodiment 2 liquid film-forming agent

[0036] The first step of solvent preparation: n-butanol and ethyl acetate are mixed at a volume ratio of 1:1 to prepare a solvent.

[0037]The second step is to take 100 parts of polyvinyl butyral and 40 parts of polyamide, and mix them evenly.

[0038] The third step is to take the prepared solvent, put it in a closed container, slowly add the above mixture under stirring, and vibrate on a shaker after sealing until it is completely dissolved. After it is completely dissolved, add 5 parts of dioctyl phthalate, 1 part of BHT, 0.5 parts of hydrophobic nano-silica, 1 part of light stabilizer 770, and 1 part of alcohol-soluble nigrosine into the solution, stir to dissolve, and add to prepare The solvent makes the total amount 1000ml.

[0039] The fourth step is to quantitatively seal the solution and pack it according to the requirements.

Embodiment 3

[0040] The preparation of embodiment 3 liquid film-forming agent

[0041] The first step of solvent preparation: n-butanol and ethyl acetate are mixed at a volume ratio of 1:1 to prepare a solvent.

[0042] In the second step, take 100 parts of polyvinyl butyral and 50 parts of polyamide, and mix them evenly.

[0043] The third step is to take the prepared solvent, put it in a closed container, slowly add the above mixture under stirring, and vibrate on a shaker after sealing until it is completely dissolved. After being completely dissolved, add 5 parts of dioctyl phthalate, 2 parts of butylated hydroxyanisole, 0.5 parts of hydrophobic nano silicon dioxide, 2 parts of light stabilizer 770, 10 parts of alcohol-soluble nigrosine into the solution, and stir Dissolve, add the prepared solvent to make the total amount 1000ml.

[0044] The fourth step is to quantitatively seal the solution and pack it according to the requirements.

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Abstract

The invention discloses a quick liquid film forming agent capable of preventing pine wilt disease spreading. The quick liquid film forming agent is characterized by being prepared from 100 parts of polyvinyl butyral, 40 parts of polyamide, 1 part of hydrophobic nano silica, 5 parts of a plasticizer, 1 part of an antioxidant, 1 part of a light stabilizer, 1 part of a light absorbent and 85 parts of a solvent. A sealing film formed by the quick liquid film forming agent on dead pine wood can produce the greenhouse effect under sunlight, the temperature in the film can increase to 50 DEG C or above, and pine wood nematode and monochamus alternatus larvae in the dead wood can be killed effectively. The ratio composition is more reasonable and targeted, and the waterproof effect of the liquid film forming agent can be improved by adding the hydrophobic nano silica; the liquid film forming agent forms a film more quickly and more compactly due to addition of the plasticizer, the film forming time is effectively shortened, the sealing effect of the sealing film is enhanced, and the temperature in the film can be increased.

Description

technical field [0001] The invention relates to the technical field of pine wood nematode disease control, in particular to a liquid rapid film-forming agent for preventing the spread of pine wood nematode disease. Background technique [0002] Pine wood nematode (Bursaphelenchus xylophilus), the nematode belongs to the phylum Vermiformes, the class Nematodes, the order Ceromidae, the superfamily Slipperidae, and the genus Umbria. The body of nematode adults is about 1 mm long, the tail of the female is nearly conical, with a rounded end; the tail of the male is like a bird's claw, curved towards the ventral surface. Pine wilt, also known as pine blight, is a devastating pest. It is spread in pine trees by vector insects such as Monochamus alternatus, and monochamus alternatus can be observed in the trunk to invade holes or traces of laying eggs, thereby causing pine tree diseases. The pathogenicity of pine wood nematode is strong, and the death rate of the host is fast; t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L29/14C08L77/00C08K13/02C08K5/12C08K3/36C08K5/13
CPCC08K2201/011C08L29/14C08L77/00C08L2201/08C08L2203/16C08K13/02C08K5/12C08K3/36C08K5/13
Inventor 郑玉忠张振霞杜颖青查广才邹湘辉肖漫萍
Owner HANSHAN NORMAL UNIV
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