Terbuthylazine and bromacil containing weeding composition and application thereof

A herbicidal composition and a technology of terbutin, which are applied in the field of pesticides, can solve the problems of increasing the danger of pesticide applicators, increasing the direct contact of pesticides, and low utilization rate of effective components, and achieving the advantages of convenient popularization and application, prolonging service life and manufacturing cost. low effect

Active Publication Date: 2015-07-22
SHANDONG RUNBO BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, the dosage forms of terbuthylazine and terbuthin are mostly wettable powders and water-dispersible granules. These dosage forms need to be applied in the form of spraying. This method of app

Method used

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  • Terbuthylazine and bromacil containing weeding composition and application thereof
  • Terbuthylazine and bromacil containing weeding composition and application thereof
  • Terbuthylazine and bromacil containing weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 20% terbuthylazine · herbicide large granules

[0029] 12% terbutyzine, 8% bromadin, 1% dispersant 2-naphthalene sulfonate formaldehyde polymer sodium salt, 4% calcium lignosulfonate, 1% wetting agent a-olefin sulfonate sodium, dodecyl Sodium sulfate 2%, binder sucrose 4%, xanthan gum 1%, cornstarch make up 100%.

[0030]The preparation method is as follows: after fully mixing the components evenly, carry out ultrafine airflow pulverization to obtain 750-mesh fine powder, then knead the obtained fine powder in a kneader with an appropriate amount of water, and then granulate through an extrusion granulator. Wet granules with a diameter of 3.0 mm were obtained, and dried at 70° C. in a fluidized fluidized bed to obtain 20% terbuthylazine·herbidine large granules.

Embodiment 2

[0031] Example 2 20% terbuthylazine · herbicide large granules

[0032] The formula and preparation method of the large granule are the same as in Example 1, except that the diameter of the large granule is 2.0mm.

Embodiment 3

[0033] Example 3 20% terbuthylazine · herbicide large granules

[0034] The formula and preparation method of the large granule are the same as in Example 1, except that the diameter of the large granule is 2.5mm.

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Abstract

The invention discloses a terbuthylazine and bromacil containing weeding composition and application thereof. The terbuthylazine and bromacil containing weeding composition uses terbuthylazine and bromacil in a mass ratio of (1-50): (1-50) as effective components. The terbuthylazine and bromacil containing weeding composition compounds the terbuthylazine and the bromacil, so that the advantages of the terbuthylazine and the bromacil are effectively achieved, the obtained terbuthylazine and bromacil containing weeding composition is excellent in quality and good in pesticide effect, can be applied to a non-cultivated land area or a field planting citrus garden, and has a control effect significantly higher than that of single terbuthylazine or single bromacil; the weeding composition is prepared into big granules, can control the release rate of pesticidal active components, is long in lasting time and relatively low in using amount, and is unlikely to cause pesticidal damage to crops; the big granules are not required to be added into water, dissolved, diluted and sprayed, and can be directly spread onto the surface of soil manually or by airplane, so that the time and the labor are saved, and the weeding composition is convenient and quick; the big granules are not adhered to stems and leaves of the crops, and is small in drift and small in pollution to the environment, so that pesticidal damage caused by direct contact is avoided, and the weeding composition is safe to spreading personnel.

Description

technical field [0001] The invention relates to a herbicidal composition containing terbuthylazine and weededim and its application, in particular to a large-granule herbicidal composition containing terbuthylazine and mebedin and its application, and belongs to the technical field of pesticides. Background technique [0002] Terbutyzine, English common name: terbutylazine, chemical name: 2-chloro-4-tert-butylamino-6-ethylamino-1,3,5-triazine, also known as grass net Jin. Terbutyzine is a white solid with a water solubility of 8.5mg / L (20°C). It is easily soluble in organic solvents, stable in neutral, weak acid, and weak alkaline media, and easily hydrolyzed in strong acid and strong alkali media. Terbutyzine is a broad-spectrum systemic herbicide, which is mainly absorbed through the roots. It is used to control various weeds in soybean fields, sorghum fields, citrus fields, pome fruit fields, vineyards, afforestation on barren hills, and non-cultivated areas. , the dosag...

Claims

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Application Information

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IPC IPC(8): A01N43/70A01N25/14A01P13/00A01N43/54
Inventor 孙国庆侯永生吴勇刘杰
Owner SHANDONG RUNBO BIOTECH CO LTD
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