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Weeding composition

A herbicidal composition and the technology of the composition are applied in the directions of herbicides, algaecides, biocides, animal repellents, etc., which can solve the problems such as the deterioration of wheat quality, and achieve the advantages of improving control efficiency, reducing dosage and reducing pollution. Effect

Active Publication Date: 2012-01-11
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the survey, the general occurrence area of ​​jaggery wheat can cause a 12%-15% reduction in wheat production, and a 20%-38% reduction in wheat production in high-incidence areas. At the same time, the quality of wheat is also significantly reduced.

Method used

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  • Weeding composition
  • Weeding composition

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Effect test

Embodiment 1

[0033] Embodiment 1: biological test embodiment

[0034] The test was carried out in a wheat field in Zhengzhou, Henan Province. The active ingredients mesosulfuron-methyl and clodinafop-propargyl were mixed. The test treatments and application rates are shown in Table 1. For example, treatment 7 was used in combination with mesosulfuron-methyl and clodinafop-propargyl. The medicaments are mesosulfuron-methyl and clodinafop-propargyl, and the application rate is 59 g of the mixed medicine per 1 hectare of wheat field, wherein 50 g of clodin-methyl-sulfuron-methyl and 9 g of mesosulfuron-methyl. Each treatment was repeated 4 times, the wheat field area was 20m2, and the blocks were randomly arranged.

[0035] Table 1 Test treatment and application rate

[0036]

[0037] Each treatment was applied from the second-leaf stage to the jointing stage of wheat, and the dosage was 25 g / mu. Statistics and calculations were made for the vicious grasses that were closely related to wh...

Embodiment 2

[0044] Embodiment 2: wettable powder (WP)

[0045] 207kg of clodinafopargyl, 108kg of methylsulfuron-methyl, 60kg of additives such as sulfonated oil and sodium lauryl sulfate, and 625kg of fillers were jet milled and mixed to obtain 1000kg of 30% wettable powder.

Embodiment 3

[0046] Embodiment 3: wettable powder (WP)

[0047] 73kg of clodinafopargyl, 33kg of methylsulfuron-methyl, 40kg of additives such as soybean lecithin and sodium pyrophosphate, 854kg of fillers, jet milling, and mixing to obtain 1000kg of 10% wettable powder.

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Abstract

The invention, relating to the field of pesticide preparations, discloses a weeding composition. The weeding composition comprises mesosulfuron and clodinafop-propargyl, wherein, the weight ratio of mesosulfuron to clodinafop-propargyl is 1-50:5-80. The invention also provides a herbicide, wherein, the active components of the herbicide comprise the weeding composition disclosed in the invention. The weeding composition has obvious synergistic effect. According to the invention, the prevention effect is improved, the amount of effective components is reduced, the generation of drug resistance of insects is delayed, and the environmental pollution is reduced.

Description

technical field [0001] The invention relates to the field of pesticide formulations, in particular to a herbicidal composition. Background technique [0002] Wheat is a gramineous plant widely planted all over the world. It originated in the Middle East and is the most important food crop in northern my country. The annual planting area in the country is 25 million hectares, mainly concentrated in the Huanghuaihai Plain and the Yangtze River Basin. [0003] There are many weeds in wheat fields. According to the survey, there are more than 200 kinds of weeds in wheat fields in my country, mainly annual weeds, some biennial weeds and a few perennial weeds. Among them, the distribution is more common in the whole country, and the damage to wheat crops is serious. There are 19 species of weeds, including Artemisia sativa, Spondylos chinensis, Nestweed, Chenopodium, Amaranth, Purslane, Chickweed, Clubhead Grass, Bermudagrass, Paspalum, Golden Foxtail, Thistle , commelina, flat sto...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/40A01P13/00
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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