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Contact insecticide for orange young sprout

A technology of contact killer and new shoots, applied in biocides, animal repellents, plant growth regulators, etc., to achieve the effect of saving labor costs, stable formulation, good disintegration and dispersibility

Inactive Publication Date: 2008-07-23
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art and related products, there is a lack of a medicament that has a stable dosage form, can kill citrus summer shoots in a short period of time, and will not have adverse effects on citrus old leaves and young fruits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Each component of the present invention and specific content are as follows:

[0030] Component Content (%)

[0031] 52 parts of tetramethylbenzene;

[0032] 25 parts of oxyfluorfen;

[0033] 10 parts of methanol;

[0034] Tween 60 10 parts;

[0035] Naphthalene 3 parts.

[0036] According to the above content ratio, the specific preparation steps are as follows:

[0037] (1) Heat tetramethylbenzene to 40-50°C, add acifluorfen, stir well to dissolve, let it stand and cool to room temperature after the dissolution is complete, and form A liquid;

[0038] (2) Add Tween 60 into methanol, stir well, add naphthalene after the dissolution is complete, stir to make it dissolve evenly, let it stand for 2-3 hours after the dissolution is complete, and form B liquid;

[0039] (3) Use 2mol / L of HCL and 2mol / L of NaOH to adjust the pH values ​​of both liquid A and liquid B to 6.

[0040] (4) Mix liquid A and liquid B. When mixing, slowly pour liquid B into liquid A, stir wh...

Embodiment 2

[0042] Each component of the present invention and specific content are as follows:

[0043] Component Content (%)

[0044] 50 parts of tetramethylbenzene;

[0045] 23 parts of oxyfluorfen;

[0046] 15 parts of methanol;

[0047] Tween 60 8 parts;

[0048] Naphthalene 4 parts.

[0049] According to the above content ratio, the specific preparation steps are as follows:

[0050] (1) Heat tetramethylbenzene to 40-50°C, add acifluorfen, stir well to dissolve, let it stand and cool to room temperature after the dissolution is complete, and form A liquid;

[0051] (2) Add Tween 60 into methanol, stir well, add naphthalene after the dissolution is complete, stir to make it dissolve evenly, let it stand for 2-3 hours after the dissolution is complete, and form B liquid;

[0052] (3) Use 2mol / L of HCL and 2mol / L of NaOH to adjust the pH values ​​of both liquid A and liquid B to 6.

[0053] (4) Mix liquid A and liquid B. When mixing, slowly pour liquid B into liquid A, stir whi...

Embodiment 3

[0055] Each component of the present invention and specific content are as follows:

[0056] Component Content (%)

[0057] 50 parts of tetramethylbenzene;

[0058] 26 parts of oxyfluorfen;

[0059] 8 parts of methanol;

[0060] Tween 60 12 parts;

[0061] Naphthalene 4 parts.

[0062] According to the above content ratio, the specific preparation steps are as follows:

[0063] (1) Heat tetramethylbenzene to 40-50°C, add acifluorfen, stir well to dissolve, let it stand and cool to room temperature after the dissolution is complete, and form A liquid;

[0064] (2) Add Tween 60 into methanol, stir well, add naphthalene after the dissolution is complete, stir to make it dissolve evenly, let it stand for 2-3 hours after the dissolution is complete, and form B liquid;

[0065](3) Use 2mol / L of HCL and 2mol / L of NaOH to adjust the pH values ​​of both liquid A and liquid B to 6.

[0066] (4) Mix liquid A and liquid B. When mixing, slowly pour liquid B into liquid A, stir whil...

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PUM

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Abstract

The invention discloses a citrus young sprout contact insecticide which adopts fluoroglycofen-ethyl as an effective ingredient of the young sprout contact insecticide for plants, particularly methanol is used as a cosolvent and the fluoroglycofen-ethyl is dissolved in tetramethylbenzene, added with an emulsifier and a dispersing agent so as to form a stable emulsifiable solution with good dispersion. The invention has stable dosage form, excellent disintegration and dispersion and a simple preparation method and can form uniform solution after being dissolved in water with slightly mixing, thus providing great convenience for mechanized insecticide spraying. The contact insecticide of the invention can kill the new sprout of a fruit tree instead of manual sprout picking, thus saving labor cost for management of fruit trees and having no adverse effect on old leaves and young fruits.

Description

technical field [0001] The invention belongs to the technical field of agricultural production, and in particular relates to a contact killer for citrus shoots. Background technique [0002] During the young fruit period of citrus, a large amount of germination of summer shoots will take away a large amount of nutrients from the tree body, which will lead to insufficient supply of nutrients for young fruits, resulting in a large number of fruit drop. Therefore, controlling the growth of new shoots in the young fruit stage of citrus is one of the key technologies of citrus management. [0003] There are two main ways to control the new shoots of citrus in production at present: one is to pick the shoots and circumcision manually, and the other is to control the shoots by spraying plant growth inhibitors. Manual picking and circumcision are inefficient and consume a lot of labor. It can be handled manually on small-area fruit trees, but if it is a large-area orchard, manual l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/48A01P21/00
Inventor 张承林胡克纬龚林
Owner SOUTH CHINA AGRI UNIV
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