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Ternary herbicidal composition containing benzobicyclon

A herbicidal composition, the technology of bicyclic sulcotrione, which is applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problem of no combination of bicyclic sulcotrione and pyrazosulfuron-methyl, and achieve The effect of making up for defects and limitations, reducing the dosage, and obviously synergizing

Active Publication Date: 2020-01-31
合肥巨卓农业技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no literature report on the combined use of bicyclic sulcotrione, mefenacet and pyrazosulfuron-methyl

Method used

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  • Ternary herbicidal composition containing benzobicyclon
  • Ternary herbicidal composition containing benzobicyclon
  • Ternary herbicidal composition containing benzobicyclon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1 Composite composition to barnyard grass indoor bioassay

[0018] Test object: Barnyardgrass

[0019] Test method: soil spray treatment. 12 hours before treatment, sow the weeds evenly and uniformly at 100cm 2 In the pot, cover the soil with water until the soil moisture is saturated, and then place it in a ventilated hall for treatment. The test treatment was carried out in a well-ventilated hall, and the blank control was treated first, and then the test agent was treated. Spray device setting: spray pressure 1.95kgf / cm 2 , spray volume 50ml / m 2 , The meeting height is 45cm. After treatment, place them in a ventilated hall for 2-3 hours and then move them to the greenhouse for routine cultivation. In the following 15 days, the fresh weight control effect of barnyardgrass was investigated; the experiment was repeated three times.

[0020] The type of combined action of the herbicidal compositions was evaluated using Colby's method. Evaluation criteria:...

Embodiment 2

[0024] Embodiment 2: preparation formula and preparation

[0025] Preparation 1: 70% bicyclic sulcotrione · dithiazamide · pyrazosulfuron-methyl water-dispersible granules

[0026] components % bicyclic sulcotrione 15.0 mefenamide 50.0 pyrazosulfuron-methyl 5.0 Sodium dodecyl sulfate 8.0 Sodium lignosulfonate 5.0 starch 1.5 ammonium sulfate 2.0 Silica 4.0 Kaolin Make up 100

[0027] Preparation method: adopt the fluidized bed boiling granulation process to prepare water-dispersible granules, mix the active ingredient and auxiliary materials sodium lauryl sulfate, sodium lignosulfonate, ammonium sulfate, white carbon black, and kaolin evenly, and pass ultra- Micro-jet pulverizer pulverized into powder, put into the fluidized bed boiling granulator, use the aqueous solution containing binder starch, granulate and dry in the fluidized bed granulation dryer at the temperature of 50-70℃, This product is obtained...

Embodiment 3

[0032] Example 3 Field Control Effect of Compound Composition on Weeds in Paddy Fields.

[0033] Experimental weeds: barnyardgrass, three-edge grass, bermudagrass, sedge, rice Lishihe in paddy field

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Abstract

The invention belongs to the field of pesticides, and particularly relates to a ternary herbicidal composition containing benzobicylon, which comprises the following active ingredients: benzobicylon,mefenacet and pyrazosulfuron-ethyl at the weight ratio of (15-80): (20-100): (1-10); the ternary herbicidal composition can be used for preventing and treating weeds in paddy fields, can slow down thegeneration of herbicide resistance of weeds and reduce the dosage of single agent by compounding, and has synergistic effect.

Description

technical field [0001] The invention belongs to the field of pesticide preparations, in particular to a ternary herbicidal composition containing bicyclic sulcotrione. Background technique [0002] Bicyclic sulcotrione is an inhibitor of p-hydroxyphenylpyruvate dioxygenase (HPPD) developed by Shidishi in Japan. It affects the synthesis of plastoquinone by inhibiting HPPD, and then dehydrogenates phytoene by plastoquinone. Enzyme (PDS) action, which ultimately affects the biosynthesis of carotenoids, resulting in leaf bleaching. It is a selective herbicide, which is absorbed through the roots and stems of weeds, and then transmitted to the whole plant. It is used before and after seedlings to control annual and perennial weeds in direct-seeded rice fields and transplanted fields. [0003] Benthiazamide is an amide herbicide, which can be used to control gramineous weeds in paddy fields. It has special effects on barnyard grass, and also has control effects on annual weeds, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N41/10A01N43/78A01P13/00
CPCA01N41/10A01N43/78A01N47/36
Inventor 陈琦戴权
Owner 合肥巨卓农业技术开发有限公司
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