Method for preventing and removing Achnatherum inebrians-endophytic fungi symbiont by virtue of chemical agent

A technology of chemical medicament and drunk horse grass, which is applied in botany equipment and methods, preservation of human or animal bodies, chemicals for biological control, etc., can solve the problem of time-consuming and labor-intensive, ineffective removal of natural grassland soil Degradation and other problems, to achieve high application value, good control effect, multi-gain effects

Inactive Publication Date: 2017-01-11
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manual extraction is not only time-consuming and laborious, but also the current labor cost is high, it is difficult to apply in the current social and economic conditions, and the effect of extraction is not obvious
Deep plowing is also a method that was once chosen by some areas. Although this method reduces labor costs, it also increases mechanical costs virtually, which is not conducive to large areas of natural grassland and areas that cannot be reached by machinery; at the same time, this deep Overturning can easily destroy the

Method used

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  • Method for preventing and removing Achnatherum inebrians-endophytic fungi symbiont by virtue of chemical agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for chemical medicament control of drunken horseweed-endophytic fungal symbiont mainly comprises the following steps:

[0031] A. The preparation of herbicide and its spraying use 41% glyphosate isopropylamine salt, dilute it with water to about 100 times liquid, add a certain amount of soap powder as an auxiliary agent at the same time, choose sunny weather to use a sprayer to treat drunken horses at the seedling stage The upper part of the grass is sprayed, and the spraying concentration is: [3.0kg (41% glyphosate isopropylamine salt) + 1.0kg (soap powder)] / ha.

[0032] B. Preparation and spraying of fungicides Spray thiophanate-methyl fungicide 3 days after spraying herbicides in the first step. Choose 70% thiophanate-methyl, dilute it with water 800 times, use the same sprayer to spray, and the application concentration is: 1.5kg / ha.

[0033] C. Herbicide preparation and spraying 3 days after spraying the fungicide in the second step, spray again with 41% ...

Embodiment 2

[0036] The difference between the method of this embodiment and that of Example 2 is that the Drunken Horseweed plant at the booting stage is selected as the extermination object.

[0037] Described first step herbicide, auxiliary agent and concentration thereof are: herbicide is 41% glyphosate isopropylamine salt, auxiliary agent is soap powder, and application concentration is [4.5kg (41% glyphosate isopropylamine salt) +1.5kg (soap powder)] / ha;

[0038] The second-step fungicide is: the fungicide is 70% thiophanate-methyl, and the application concentration is: 3.0kg / ha;

[0039] Described 3rd step herbicide, auxiliary agent and concentration thereof are: herbicide is 41% glyphosate isopropylamine salt, and auxiliary agent is soap powder, and application concentration is [4.5kg (41% glyphosate isopropylamine salt) +1.5kg (soap powder)] / ha.

[0040] All the other steps are the same as in Example 1.

[0041] The spraying effect is: it can remove 99.18±0.23% of Drunken Horse...

Embodiment 3

[0043] The difference between the method of this embodiment and that of Example 2 is that the Drunken Horseweed plant in the mature stage is selected as the extermination object.

[0044] Described first step herbicide, auxiliary agent and concentration thereof are: herbicide is 41% glyphosate isopropylamine salt, auxiliary agent is soap powder, and application concentration is [4.5kg (41% glyphosate isopropylamine salt) +1.5kg (soap powder)] / ha;

[0045] The second-step fungicide is: the fungicide is 70% thiophanate-methyl, and the application concentration is: 3.0kg / ha;

[0046] Described 3rd step herbicide, auxiliary agent and concentration thereof are: herbicide is 41% glyphosate isopropylamine salt, and auxiliary agent is soap powder, and application concentration is [4.5kg (41% glyphosate isopropylamine salt) +1.5kg (soap powder)] / ha.

[0047] All the other steps are the same as in Example 1.

[0048] The spraying effect is: it can remove 98.08±0.43% of Drunken Horse Gr...

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Abstract

The invention provides a method for preventing and removing an Achnatherum inebrians-endophytic fungi symbiont by virtue of a chemical agent. The method comprises the following steps: (1) carrying out primary preparation and spraying on a herbicide: selecting 41% glyphosate isopropylamine, adding water to dilute, adding soap powder, and spraying the mixture to the stems and leaves of Achnatherum inebrians; (2) preparing and spraying a bactericide: after the herbicide is sprayed, spraying a thiophanate methyl bactericide to the stems and leaves of the Achnatherum inebrians; and (3) carrying out secondary preparation and spraying on the herbicide: after the bactericide is sprayed, spraying the herbicide again, selecting 41% glyphosate isopropylamine, adding water to dilute, adding soap powder, and spraying the mixture to the stems and leaves of Achnatherum inebrians. According to the method, the bactericide is added for cooperative use in the prevention and removal processes of the Achnatherum inebrians for the first time because of the consideration that an endophytic fungi has more beneficial effects to the growth of the host, namely the Achnatherum inebrians. The method has the beneficial effects that the operation is simple, the cost is relatively low, the prevention and treatment effects are relatively good, and a feasible method is provided for the prevention and removal of the Achnatherum; and the method has a relatively high application value.

Description

technical field [0001] The invention belongs to the technical field of prevention and control of poisonous weed disasters in natural grasslands, and in particular relates to a method for controlling Drunken Horseweed-endophytic fungus symbiosis by using a combination of herbicides and fungicides. Background technique [0002] Drunken Horse Grass ( Achnatherum inebrians ) is a perennial gramineous plant of the genus Achnatherum, and it is one of the main poisonous weeds in natural grasslands in northern my country. Drunken horse grass is widely distributed in Gansu, Xinjiang, Inner Mongolia, Qinghai, Tibet, Ningxia, Sichuan, Shaanxi and other provinces and regions. Drunken horse grass has the advantages of cold resistance, disease resistance, and drought tolerance, and domestic animals do not eat it, so it has a greater advantage in the interspecific competition of degraded grassland communities, making it an important species in arid and semi-arid alpine grasslands in my co...

Claims

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Application Information

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IPC IPC(8): A01N61/00A01N57/20A01N47/34A01P3/00A01P13/00A01G13/00
CPCA01N61/00A01G13/00A01N47/34A01N57/20A01N2300/00
Inventor 李春杰魏学凯李秀璋陈振江
Owner LANZHOU UNIVERSITY
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