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Weedicide for preventing and controlling weeds in sugarcane field

A herbicide and weed technology, applied in the directions of herbicides, algaecides, biocides, biocides, etc., can solve the problem of ineffective weed control, delay the generation of weed resistance, reduce the dosage, kill the weeds, etc. broad-spectrum effect

Inactive Publication Date: 2008-04-23
浙江省长兴第一化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The compound herbicide of this invention has an average control effect of more than 92% on monocotyledon and dicotyledonous sugarcane field weeds, but there are still many kinds of monocotyledonous, dicotyledonous, broad-leaved and narrow-leafed in the sugarcane field which cannot be effectively controlled by this compounding agent. As well as annual and perennial weeds, the herbicidal spectrum needs to be further improved and improved

Method used

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  • Weedicide for preventing and controlling weeds in sugarcane field
  • Weedicide for preventing and controlling weeds in sugarcane field
  • Weedicide for preventing and controlling weeds in sugarcane field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1: 55% Diuron · 2 A · Aramide wettable powder

[0047] Composed of components with the following mass fractions:

[0048] Diuron 15%

[0049] 2M 4 Chlorosodium salt 10%

[0050] Atrazine 30%

[0051] Dispersant 7%

[0052] Wetting agent 1.5%

[0053] Inert filler to 100%.

[0054] The dispersant is (sodium methylene bismethyl naphthalene sulfonate (MF), sodium p-methoxy fatty amidobenzene sulfonate (LS), sodium methylene dinaphthalene sulfonate (NNO)), wetting agent It is (sodium lauryl sulfate (K12)), and the inert filler is kaolin.

[0055] Diuron, 2-methyl-4-chlor and arazine are sieved separately, then coarsely pulverized according to the above ratio, then the above-mentioned additives and inert fillers are added to mix, and then air-jet pulverized and fully mixed.

[0056] The obtained compounded herbicide of the present invention is a loose powder with uniform appearance, suspension rate: diuron ≥ 60%, ametrazine ≥ 60%; fineness (through a 44um stan...

Embodiment 2

[0057]Embodiment 2: 60% diuron · 2 A · atrazine suspoemulsion

[0058] Consists of the following mass fractions

[0059] Diuron 25%

[0060] 2M 4 Chlorosodium salt 20%

[0061] Atrazine 15%

[0062] Emulsifier 5%

[0063] Antifreeze 5%

[0064] Thickener 1%

[0065] Defoamer 0.2%

[0066] Deionized water to 100%.

Embodiment 3

[0067] Example 3: 70% diuron·beta·atrazine water dispersible granules.

[0068] Consists of the following mass fractions

[0069] Diuron 15%

[0070] 2M 4 Chloride Sodium Salt 5%

[0071] Atrazine 50%

[0072] Disintegrant 3%

[0073] Dispersant 2%

[0074] Wetting agent 1.5%

[0075] Fill to 100%.

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Abstract

The present invention relates to a cane-field weed-killing agent. Its effective component composition includes (by wt%) 5-25% of diuron, 5-20% of dimethyltetrachlorosodium and 10-50% of ametryn. Besides, said invention also provides its application method.

Description

technical field [0001] The invention belongs to the agricultural technical field of herbicides containing heterocyclic compounds, and in particular relates to a mixed herbicide for controlling weeds in sugarcane fields. Background technique [0002] There are many kinds of weeds in the sugarcane field, with high density and large growth. Using herbicides instead of agriculture or mechanical control to weed the old cane cane can not only have a good weeding effect, but also timely and effectively control the weeds in the sugarcane field, and the control cost is low, which can save man-hours , Reduce labor intensity and reduce agricultural labor costs. At the same time, it also makes pests and germs lose numerous intermediate hosts and wild hosts, which alleviates diseases, insects, and rodents to a certain extent; conditions such as field water, nutrients, and space can be fully utilized by sugarcane to promote normal growth and development of sugarcane. Increase production....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/32A01N25/14A01P13/00A01N43/70A01N25/30
Inventor 徐梅英
Owner 浙江省长兴第一化工有限公司
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