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Compounded herbicide used in corn field

A herbicide and cornfield technology, applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problems of leaf edge shrinkage, affecting the extraction of heart leaves, etc., to reduce control costs and slow down weeds Resistance, speed effect

Inactive Publication Date: 2015-03-11
JIANGSU INST OF ECOMONES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some leaves are curled into a tube, and the leaf margins are shrunk, which affects the extraction of the heart leaves.

Method used

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  • Compounded herbicide used in corn field
  • Compounded herbicide used in corn field
  • Compounded herbicide used in corn field

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Experimental program
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preparation Embodiment

[0021]

[0022]

[0023] The inventor found that the effect of using water-dispersible oil suspension (Oil dispersion) in this formula is better.

[0024] Suspension concentrate refers to the preparation that uniformly disperses the solid pesticide original drug in water with particles below 4 microns. The international code is SC. The solid pesticides and adjuvants that are poorly soluble in water are ground and dispersed in aqueous media. The continuous phase is water. Since SC does not have the problem of flying dust like wettable powder (WP), it is non-flammable and explosive, has small particle size, high biological activity, large specific gravity, and small packaging volume, which is safer and more environmentally friendly than other pesticide formulations.

[0025] Suspension concentrates are divided into water suspension concentrates and oil suspension concentrates. Aqueous suspensions use water as a solvent. Oil suspensions use oil as the main solvent and do...

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PUM

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Abstract

The invention discloses a compounded herbicide used in corn fields. The compounded herbicide used in corn fields comprises three active components, namely, nicosulfuron, atrazine and iodosulfuron, wherein the weight ratio of nicosulfuron to atrazine and iodosulfuron is (20-50):(150-300):(1-5). The invention provides the herbicide which is safe, fast in speed, wide in herbicide controlling spectrum, long in drug delivery period and small in environment influence.

Description

technical field [0001] The invention relates to a compound herbicide for cornfields. Background technique [0002] Maize is the food crop with the third largest production area after wheat and rice in my country, with an annual planting area of ​​21.4 million hm2, accounting for 18.9% of the total food crop area. Corn is a crop with few diseases and insect pests and serious weed damage. According to the results of the national weed census, there are 22 families, 38 genera and 43 species of weeds in corn fields. The main weeds that harm corn fields are: crabgrass, scale grass, foxtail, goosegrass, anti-branch, horse-tooth, iron, green onion, vice (Daqian and Xiaoshang), field bindweed, dawanhua , Yayang grass, etc. And the fungus stage is the most harmful, which can cause the corn plants to be short and small, and the stalks and leaves are yellow, etc., which seriously affect the corn yield, and the yield reduction rate can reach about 35%. [0003] At present, there are m...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N25/04A01P13/00A01N43/70
Inventor 孔繁蕾张旺庚吴小平
Owner JIANGSU INST OF ECOMONES