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Cornfield weeding composition

A herbicidal composition and cornfield technology, applied in the field of pesticides, can solve the problems of aggravating the economic loss of growers, reducing the effect of weed control, and unsatisfactory drug efficacy, so as to slow down the resistance of weeds, improve the effect of control, and ensure reliable safety effect

Inactive Publication Date: 2014-01-22
SHANDONG BINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when mesotrione, pendimethalin and bentazone are used alone as a single agent, the herbicidal spectrum is narrow, and the drug efficacy is not ideal, thereby causing the weed control effect to decrease year by year, resulting in a reduction in corn production. Aggravated the economic loss of growers

Method used

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  • Cornfield weeding composition
  • Cornfield weeding composition
  • Cornfield weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: 50% mesotrione·pentamethalin·bendazone wettable powder (2:8:15), including the following components by weight: (based on 100 kg, the same below)

[0024] Mesotrione 4 kg, pendimethalin 16 kg, bendazone 30 kg, lignosulfonate 6 kg, sodium dodecylbenzene sulfonate 4 kg, white carbon black 5 kg, kaolin supplement 100 kilogram.

[0025] Preparation method: Coarsely pulverize the components of the above weight, put them into a mixer and mix them evenly, and then pulverize them by air flow, and after passing the inspection, 50% mesotrione·pentamethalin·bendazone wettable powder can be prepared .

[0026] How to use: It is suitable for the control of weeds in corn fields. The dosage is 120 grams per mu, mixed with 30-40 kilograms of water, and sprayed evenly under the condition of no wind and clear weather.

Embodiment 2-7

[0027] Embodiment 2-7: Preparation of wettable powder: unit: kilogram (kg)

[0028]

[0029] Dispersant among the embodiment 2-7 selects lignin and derivative sulfonate thereof, naphthalene and alkylnaphthalene sulfonate formaldehyde condensate, one or more in alkylphenol polyoxyethylene ether phosphate; The wet agent is selected from one or more of sodium lauryl sulfate, sodium dodecylbenzene sulfonate, pull-off powder, fatty alcohol polyoxyethylene ether, octylphenol polyoxyethylene ether, and nonylphenol polyoxyethylene ether. The carrier is selected from one or more of activated clay, kaolin, montmorillonite, diatomite, attapulgite, and light calcium carbonate.

[0030] The preparation method of embodiment 2-7 is the same as embodiment 1.

[0031] The using method of the wettable powder prepared in embodiment 2-7: all applicable to the control of weeds in cornfields, the amount per mu of land is respectively 120 grams, 120 grams, 70 grams, 70 grams, 70 grams, 90 grams,...

Embodiment 8

[0032] Example 8: 37.5% mesotrione·pentamethalin·bendazone aqueous suspension (2:8:15), including the following components by weight:

[0033] Mesotrione 3kg, Pendimethalin 12kg, Bentazone 22.5kg, Sodium Lauryl Sulfate 5kg, Sodium Lignosulfonate 6kg, Xanthan Gum 1kg, Ethylene Glycol 5kg , Silicone defoamer 0.5 kg, water to make up to 100 kg.

[0034] Preparation method: mix the above-mentioned weight of mesotrione, pendimethalin, bendazone, sodium lauryl sulfate, sodium lignin sulfonate, silicone defoamer and part of the water, then sand mill, After the glass beads are separated, add xanthan gum and ethylene glycol, make up to 100 kg with water, cut with a shearing machine, and pass the inspection to obtain 37.5% mesotrione pendimethalin bentazone Aqueous suspension.

[0035] How to use: It is suitable for the control of weeds in corn fields. The dosage is 160 grams per mu, mixed with 30-40 kilograms of water, and sprayed evenly under the condition of no wind and clear weath...

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Abstract

The invention relates to the technical field of pesticides, and especially discloses a cornfield weeding composition. Effective components of the cornfield weeding composition comprise mesotrione, pendimethalin and bentazon, and a weight ratio of mesotrione to pendimethalin to bentazon is 1-10:4-25:5-40. Mesotrione, pendimethalin and bentazon have different action mechanisms and different weed action points, and the weed control spectrums of mesotrione, pendimethalin and bentazon are complementary, so the cornfield weeding composition has the advantages of substantially enlarged weed control spectrum, substantially improved preventing and killing effects, prevention and killing of cornfield grassy weeds and broadleaf weeds, reduction of the consumption of the effective components per unit area, alleviation of the generation of the drug resistance of weeds, reduction of the pollution to environment, and reliable safety to corn and later crops.

Description

(1) Technical field [0001] The invention relates to the technical field of pesticides, in particular to a herbicide composition for cornfields. (2) Background technology [0002] Mesotrione, also known as Mesotrione and Mesotrione, is a new type of selective systemic conduction pre-emergence and post-emergence broad-spectrum herbicide, which is characterized by environmental friendliness and rapid and extensive degradation. And the final metabolite is carbon dioxide. Mesotrione is mainly used to control annual broad-leaved weeds and some grass weeds in corn fields. It has good control effects on quinoa, amaranth, chrysanthemum, cocklebur, crabgrass, foxtail, etc., with high herbicidal activity , safe for corn. [0003] Pendimethalin, also known as Chucaotong, Shitianbu, and Chuyatong, is a selective pre-emergent dinitroaniline soil treatment herbicide, which mainly inhibits meristem cell division and does not affect the germination of weed seeds. Instead, it acts after th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01P13/00A01N41/10A01N33/18
Inventor 黄延昌司永兵曲耀训禹文静
Owner SHANDONG BINNONG TECH
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