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Herbicide composition

A herbicidal composition, a technology of weight percentage, applied in the directions of herbicides, algaecides, biocides, animal repellents, etc., can solve the problems of unsafe subsequent crops, easy to produce resistance, and short duration of effect. , to achieve the effect of delaying weed resistance, increasing safety and reducing dosage

Inactive Publication Date: 2013-01-30
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many varieties of chemical herbicides for wheat, but most of them have various problems, such as narrow herbicidal spectrum, easy to produce resistance, short duration of effect, unsafe for subsequent crops, etc.

Method used

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  • Herbicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: Indoor toxicity assay:

[0043] In order to understand the combined effects of clopyralid and MC-4 on weeds, the following experiments were carried out:

[0044] Test method: Fill the test soil quantitatively to 4 / 5 of the pot, and use top watering to make the soil completely wet to saturated. Sow the pretreated weed seeds evenly on the soil surface, cover the soil with 0.5cm, keep the soil fully moist after sowing, move them into the greenhouse for routine cultivation, and apply pesticides until the weeds grow to the 2-3 leaf stage. Every 20 weed seeds was regarded as a treatment, and each treatment was repeated 4 times. Calculate the control effect, and then use the least square method to calculate the inhibitory medium concentration EC 50 (95% confidence interval), and then use the Sun Yunpei method to calculate the co-toxicity coefficient (CTC). Co-toxicity coefficient (CTC) ≥ 120 represents synergistic effect; co-toxicity coefficient (CTC) ≦ 80 rep...

Embodiment 2

[0052] Example 2: 10% Clopyralid 2 M 4 Chlorine Water Agent

[0053] Clopyralid 2%, 2M 4 Cl 8%, Nongru 700# 8%, Sodium Lauryl Sulfate 4%, Rapid Penetrant T3%, Water supplement 100%, fully mixed and dissolved, that is, 10% diclofenac Clopyralid · 2 M 4 chlorine water agent.

Embodiment 3

[0054] Example 3: 30% Clopyralid 2 M 4 Chlorine Water Agent

[0055] Clopyralid 10%, clopyralid 20%, 0203B7%, pull open powder 4%, penetrant JFC 3%, water supplement 100%, fully mixed and dissolved to get 30% clopyralid·2 methyl 4 chloride Aqua.

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Abstract

The invention relates to the field of pesticide preparations and discloses a herbicide composition. The herbicide composition is formed by clopyralid and methyl-4-chlorophenoxyacetic acid in a weight ratio of (1:2)-(1:10). The invention provides a herbicide composition preparation. The active ingredient of the preparation is formed by the herbicide composition. The herbicide composition and the conventional auxiliary materials can be prepared into the herbicide composition preparations such as water aqua, soluble powder, soluble granules, wettable powder or water dispersible granules according to the known methods. The herbicide composition is formed by compounding clopyralid and methyl-4-chlorophenoxyacetic acid, expands the herbicide controlling spectrum, can simultaneously control most weeds in the wheat fields, enhances the broad leaf weed control effect, simultaneously has the advantages of long use age, safety to later crops, long duration and environmental safety and can be widely applied in the agricultural field.

Description

Technical field [0001] The present invention relates to the field of pesticide preparations, specifically to a herbicidal composition, especially a herbicidal composition whose active ingredients are composed of clopyralid and 2-methyl-4-chloride. Background technique [0002] Wheat is a gramineous plant widely grown around the world. It originated in the Middle East and is one of the most important food crops in northern my country. It is rich in starch, protein, fat, minerals, calcium, iron, thiamine, and riboflavin. , niacin and vitamin A, etc., are the second most abundant food crops in the world. Our country is one of the countries with the largest wheat planting area and highest consumption in the world. It is my country's main food crop after rice. Over the years, the wheat planting area has accounted for 22%-30% of the country's total cultivated land and 20% of the total food crop area. -27%, distributed throughout all provinces, cities and districts across the countr...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N39/04A01P13/00
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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