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Wheat field herbicide composition and preparation thereof

A herbicidal composition and herbicide technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the risk of increasing antagonism between herbicides, endanger the environment, and increase crop safety. To achieve the effect of delaying weed resistance, improving drug efficacy and reducing pollution

Inactive Publication Date: 2012-03-07
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the weeds in the wheat field are mainly gramineous weeds and broad-leaved weeds, and dicamba can only control broad-leaved weeds. invalid
In order to fully protect wheat from weeds, it is necessary to use a variety of herbicides, which increases the risk of antagonism among the herbicides, increases the dosage, increases the cost, and endangers the environment and the safety of subsequent crops. Safety

Method used

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  • Wheat field herbicide composition and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: the control effect test of herbicidal composition of the present invention to weeds

[0021] The test was carried out in a wheat field in Xinxiang, Henan Province. The herbicidal composition was formulated with 93% mesosulfuron-methyl and 98% dicamba as active ingredients, and a certain amount of adjuvants were added. Among them, each treatment was repeated 4 times, and the area of ​​the plot was 20m 2 , Arranged in random blocks, apply medicine at the 3-6 leaf stage of wheat, and spray evenly. The number of weeds of each type was counted before spraying, and the number of dead weeds was counted 10 days after spraying. See Table 1 for the test treatments and application rates, and Table 2 for the control results. The anti-efficiency calculation is according to the following formula:

[0022] Control effect (%) = 1-(number of weeds after application ÷ number of weeds before application) × 100%

[0023] Table 1 Test treatment and application rate

[002...

Embodiment

[0029] Example: 2: 20% mesosulfuron-dicamba wettable powder

[0030] With 93% mesosulfuron-methyl technical and 98% dicamba technical raw materials as active ingredient raw materials, take 10 kg of mesosulfuron-methyl technical, 195 kg of dicamba technical, 60 kg of auxiliary agent, and 735 kg of filler are mixed and processed by jet milling, Get 1000kg20% wettable powder.

[0031] The herbicide prepared in this example is compared with the single dose made from a single active ingredient, and the amount of each active ingredient is calculated as a standard. The premise that the amount of each active ingredient in the herbicide of the present invention is less than the amount of each single active ingredient Under the conditions, the control effect of the herbicide of the present invention is higher than that of a single agent, and has no cross resistance, and can effectively control grass weeds and broad-leaved weeds at the same time.

Embodiment 3

[0032] Example 3: 30% mesosulfuron-dicamba wettable powder

[0033] With 93% mesosulfuron-methyl technical and 98% dicamba technical raw materials as the active ingredient raw materials, take 15 kg of mesosulfuron-methyl technical, 292 kg of dicamba technical, 80 kg of auxiliary agent, 613 kg of filler, mix and process through airflow milling, Get 1000kg30% wettable powder.

[0034]The herbicide prepared in this example is compared with the single dose made from a single active ingredient, and the amount of each active ingredient is calculated as a standard. The premise that the amount of each active ingredient in the herbicide of the present invention is less than the amount of each single active ingredient Under the conditions, the control effect of the herbicide of the present invention is higher than that of a single agent, and has no cross resistance, and can effectively control grass weeds and broad-leaved weeds at the same time.

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Abstract

The invention relates to the field of pesticide preparations and discloses a wheat field herbicide composition. The herbicide composition is prepared from mesosulfuron methyl and dicamba in a mass ratio of 1:(5-30). The invention also discloses a herbicide prepared from the herbicide composition and auxiliary materials which can be accepted by pesticide preparations, wherein the herbicide composition accounts for 1-90% of the herbicide by weight. The herbicide composition and the preparation thereof have the following beneficial effects: the mesosulfuron methyl and the dicamba are compounded to be used as active ingredients, have complementary advantages, delay the drug resistance of weeds, reduce the environmental pollution and simultaneously improve the drug effects; grass weeds and broadleaf weeds can be effectively controlled through drug administration once, thus reducing the using amount as well as the using types and frequencies of the pesticide; and the herbicide composition and the preparation thereof can be widely applied in the agricultural field.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to a wheat field herbicidal composition and its preparation. Background technique [0002] Wheat is one of the main food crops in northern my country. It is rich in starch, protein, fat, minerals, calcium, iron, thiamine, riboflavin, niacin and vitamin A. It is the second largest grain in the world. Crops, my country's perennial planting area is more than 30 million hectares, second only to rice planting area. Most of the wheat fields in my country have been affected by weeds to varying degrees. The area of ​​weed damage accounts for more than 55% of the wheat planting area, of which the severely damaged area accounts for 28%, and the loss of yield accounts for 15% of the total wheat output. Therefore, the proportion of herbicides used in domestic wheat fields is almost 100%. [0003] Dicamba herbicide has systemic and conductive effects, and has a significant control effect o...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N37/40A01P13/00
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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