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Barley field weeding composition and application thereof

A herbicidal composition and technology for wheat fields, applied in the fields of pesticides and herbicides, can solve problems such as the unsatisfactory effect of herbicidal drug combinations, and achieve the effects of reducing the risk of phytotoxicity, slowing down the generation of resistance, and improving the control effect.

Inactive Publication Date: 2017-08-18
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Both haclopyrid and salmazone have certain defects and limitations when they are used alone
There is currently no compound drug for the two, and the combination of other herbicides used in barley fields is not very effective

Method used

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  • Barley field weeding composition and application thereof
  • Barley field weeding composition and application thereof
  • Barley field weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Example 1: 66% fluclopyridine · salmazone wettable powder 1:32

[0075] Ratio: fluclopyridine, 2%; salmazone, 64%; wetting agent sodium lauryl sulfate, 2%; dispersant calcium lignosulfonate, 8%; filler white carbon black, 16%, Filler kaolin, balance.

[0076] Preparation method: According to the above ratio, add the active ingredients salmazone and fluchloropyridine into the carrier, add surfactant and other functional additives, mix, and then mix after jet crushing to obtain wettable powder . The main equipment is a mixer and a jet mill.

Embodiment 2

[0077] Example 2: 75% fluclopyridine · salmazone wettable powder 1:24

[0078] Ratio: fluclopyridine, 3%; salmazone, 72%; wetting agent sodium lauryl sulfate, 2%; dispersant calcium lignosulfonate, 8%; filler white carbon black, 8%, Filler kaolin, balance.

[0079] The preparation method is the same as in Example 1.

Embodiment 3

[0080] Example 3: 68% chloropyridine · salmazone water dispersible granules 1:16

[0081] Proportion: fluclopyridine, 4%; salmazone, 64%; wetting agent sodium dodecylbenzene sulfonate, 3%; dispersing agent alkyl naphthalene sulfonate formaldehyde condensate, 8%; filler attapulgite Soil, surplus.

[0082] Preparation method: according to the above ratio, add the active ingredients salmazone and fluchloropyridine into the carrier, and add surfactant and other functional additives, mix, and add 10-25% of water after jet crushing , and then kneading, granulating, drying, and sieving to obtain water-dispersible granules; or spray the pulverized powder with water in a boiling granulator, granulate, dry, and then sieve to obtain the product. The main equipments are mixer, jet mill, kneader, extrusion granulator, drying room or fluidized bed drying, or boiling granulator, screening machine.

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Abstract

The invention provides a barley field weeding composition and an application thereof, and belongs to the field of herbicides. Active ingredients of tralkoxydim and halauxifen-methyl are selected to compound, then weeds can be effectively controlled, and the phytotoxicity is reduced, especially for the barley field weeds, the weeding effect is particularly significant. The barley field weeding composition includes the active ingredients and auxiliary ingredients, wherein the active ingredients are the halauxifen-methyl and the tralkoxydim, and the weight ratio of the halauxifen-methyl to the tralkoxydim is 1:2-32. The weight of the active ingredients of the halauxifen-methyl and the tralkoxydim accounts for 5%-95% of the total weight of the barley field weeding composition. The auxiliary ingredients include carriers and auxiliaries, the carriers are one or more of water, solvents or fillers, and the auxiliaries include at least one surfactant.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to the field of herbicides, in particular to a barley field herbicide composition and its application. Background technique [0002] Barley is widely distributed in my country, and the main producing areas are relatively concentrated, mainly in the Yangtze River Basin, the Yellow River Basin and the Qinghai-Tibet Plateau. In recent years, the development of the beer industry has led to a rapid increase in the demand for raw barley. [0003] Herbicides are commonly used to control weeds in barley fields, and play an important role in promoting barley yield and saving planting costs. However, with the long-term and large-scale promotion and use of herbicides, the problems of weed resistance, population succession and phytotoxicity caused by chemical control of weeds in farmland are becoming more and more serious, which will affect the yield of barley and subsequent crops. Commonly used age...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N35/10A01P13/00
CPCA01N43/40A01N35/10
Inventor 王旭李波刘君良杨志鹏李慧明
Owner QINGDAO HANSEN BIOLOGIC SCI
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