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Herbicidal composition containing dimethenamid and pyriflufen

A technology of pyriflufen and a herbicidal composition, which is applied in the field of herbicidal compositions containing dimethfenapyr and pyriflufen, can solve the problems of high development cost, long development period, difficult effect and the like, and achieves the reduction of The effect of drug cost, usage reduction and pollution reduction

Active Publication Date: 2016-06-15
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development cost of new active ingredients is high, the development cycle is long, and it can never keep up with the speed of weed resistance
Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve obvious effects in actual operation.

Method used

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  • Herbicidal composition containing dimethenamid and pyriflufen
  • Herbicidal composition containing dimethenamid and pyriflufen
  • Herbicidal composition containing dimethenamid and pyriflufen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A herbicidal composition containing dimethenamid and saflufenacil, which is an emulsifiable concentrate, consisting of the following components in percentage by weight: dimethenamid, 58%; saflufenacil, 7%; emulsified Nongru 500 # Henong milk 601 # , The dosage is 4% and 6% respectively; xylene, the balance.

[0029] Preparation method: add the active ingredients dimethenamid and saflufenacil herbicide into the carrier according to the formula ratio, add surfactant and other functional auxiliaries therein, and stir and mix evenly in a stirring mixing tank. The stirring and mixing kettle can be enamel reaction kettle, stainless steel stirring kettle, etc.

Embodiment 2

[0031] A herbicidal composition containing dimethenamid and saflufenacil, which is a suspoemulsion, consists of the following components in percentage by weight: dimethenamid, 40%; saflufenacil, 20%; Emulsifier Nongru OP-10, 2%; dispersant polycarboxylate, 7%; thickener chooses xanthan gum, the dosage is 0.1%; antifreeze agent ethylene glycol, 5%; defoamer silicone compound, 0.5%; water, the balance.

[0032] Preparation method: According to the proportion of the formula, first put the active ingredient saflufenacil herbicide in the reaction kettle, add water and mix evenly, and make a concentrated suspension through the grinding process; then dimethenamid, surfactant and other functional Sexual additives are added to the reactor, mixed evenly and passed through high-speed shearing to prepare the final suspoemulsion. The main equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.

Embodiment 3

[0034] A herbicidal composition containing dimethenamid and saflufenacil, which is a wettable powder, and consists of the following components in percentage by weight: dimethenamid, 30%; saflufenacil, 20% Wetting agent sodium lauryl sulfate, 4%; Dispersant calcium lignosulfonate, 7%; Filler white carbon black, 10%, Filler kaolin, balance.

[0035] Preparation method: according to the proportion of the formula, add the active ingredients dimethenamid and saflufenacil herbicide into the carrier, add surfactant and other functional auxiliaries to it, mix, and then mix after airflow crushing. wettable powder. The main equipment is a mixer and a jet mill.

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Abstract

The invention discloses a weeding composition containing dimethenamid and pyribenzoxim, belongs to the field of herbicides, and aims to solve the problems that pests can easily generate resistance and the safety is low by the use of an existing single component herbicide. Dimethenamid and pyribenzoxim serve as effective components; the weight ratio of dimethenamid to pyribenzoxim is (35:1)-(1:25). The two effective components in the weeding composition have a coordinative synergism effect; the use amount of pesticide can be effectively reduced, the drug use cost is lowered, and the pollution to the environment is reduced; the generation of dug resistance to weeds can be delayed, and the drug action lasts for long time; the weeding composition is safe to crops, human, livestock and environment.

Description

technical field [0001] The invention relates to the field of herbicides, in particular to a herbicidal composition containing dimethenamid and saflufenacil. Background technique [0002] Dimethenamid, a chloroacetamide compound, is mainly used in crops such as corn, soybean, peanut or sugar beet to control a variety of annual grass weeds such as barnyardgrass, crabgrass, beef tendon, etc. and broad-leaved weeds such as Amaranth, ghost needle grass, shepherd's purse, bermudagrass, sweet chamomile, etc., are safe to crops. [0003] Saflufenacil, oxime ester compound, broad-spectrum selective post-emergence herbicide, acetolactate synthase (ALS) inhibitor. It has selective and super-efficient post-emergence herbicidal activity on rice, common wheat, and zoysia, and has no pre-emergence herbicidal activity. It is used to control various gramineous weeds and broad-leaved weeds such as barnyardgrass, A. The planning effect is outstanding, and it is safe to rice and common wheat....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01P13/00A01N43/10
Inventor 邵彦坡李波刘希玲于文鹏刘丽萍刘丹凤
Owner QINGDAO HANSEN BIOLOGIC SCI