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Flumetsulam and malathion synergistic composition for preventing and killing resistant weeds and application thereof

A technology for resisting fomesafen and fomesafen, which is applied in the field of synergistic combination of flumesafen and malathion, which can solve the problem of failure of the recommended dosage to meet the control requirements, soybean injury, increased dosage, etc. problems, to achieve the effect of reducing the cost of chemical control, reducing the amount of medication, and reducing the frequency of medication

Pending Publication Date: 2020-08-07
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tests have shown that sulfaflufenacil has a certain control effect on resistant Amaranthus retroflexus, but the recommended dose cannot meet the control requiremen

Method used

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  • Flumetsulam and malathion synergistic composition for preventing and killing resistant weeds and application thereof
  • Flumetsulam and malathion synergistic composition for preventing and killing resistant weeds and application thereof
  • Flumetsulam and malathion synergistic composition for preventing and killing resistant weeds and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] (1) Synergistic effect test of the synergist malathion on the control of flamisulam against fomesafen-resistant Amaranth retrovertica—Greenhouse test:

[0016] The greenhouse whole plant bioassay test was carried out in the plant greenhouse of Northeast Agricultural University from May 2019 to August 2019.

[0017] Test medicament: 80% flumesulam water-dispersible granules (Dow AgroSciences, Inc., USA)

[0018] Test agent: 45% malathion emulsifiable concentrate (Jiangsu Good Harvest Wayne Agrochemical Co., Ltd.)

[0019] Weeds tested: Amaranthus retroflexus (fomesafen-resistant, hereinafter referred to as resistant Amaranthus reflexae, its GR 50 The value is 7417.91ga.i. / hm 2 , the relative resistance multiple was 101.74, and the seeds were collected from Nenjiang County, Heihe City, Heilongjiang Province in September 2014).

[0020] Greenhouse whole plant bioassay test process

[0021] 1. The synergistic effect of malathion on the control of sulphafenacil against f...

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Abstract

The invention belongs to the technical field of pesticide synergy. The invention discloses a flumetsulam and malathion synergistic composition for preventing and killing resistant weeds and application thereof. The flumetsulam and malathion synergistic composition has a remarkable synergistic effect on the fomesafen amaranthus retroflexus in a soybean field, and has the advantages of being safe tosoybeans, remarkably reducing the dosage, reducing the chemical control cost, treating other resistant broadleaf weeds in the soybean field, reducing the dosage frequency, reducing pesticide residuesand the like. The flumetsulam and malathion synergistic composition is a feasible synergistic decrement herbicide synergist composition for preventing and removing fomesafen amaranthus retroflexus insoybean fields at present.

Description

technical field [0001] The invention belongs to the technical field of pesticide synergy, and relates to a synergistic combination of flumesulam and malathion for controlling resistant weeds and an application thereof. Background technique [0002] Soybean is an important economic crop and a source of vegetable oil and protein. It is one of the main crops in my country. Soybean has a long history of planting in my country and is widely distributed. Soybean can not only meet the demand for oil crops in the domestic market, but also provide strong support for the sustainable development of animal husbandry, which is of great importance to the development of rural economy. effect. With the structural adjustment of the domestic planting industry and the increase in vegetable oil consumption year by year, the demand for soybeans continues to increase, and the soybean planting area has been increased. In 2018, my country's soybean planting area increased to 8412.77 thousand hecta...

Claims

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Application Information

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IPC IPC(8): A01N57/12A01N43/90A01P13/00A01P13/02
CPCA01N57/12A01N43/90
Inventor 滕春红陶波马艺倩岳建超冯曦茹王博王星茗
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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