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Mikania micrantha prevention and control composition and application thereof

A composition, the technology of Mikania micrantha, applied in the application, biocide, animal repellent and other directions, can solve the problems of long half-life, poor persistence, affecting the ecological environment, etc., and achieves less phytotoxicity, significant killing effect, and ecological safety. high performance effects

Inactive Publication Date: 2018-10-09
深圳中绿环境集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are certain defects in the agents suitable for the prevention and treatment of Mikania micrantha. The main defect is that the killing of Mikania micrantha is easy to recur in the second and third years, and the persistence is poor; secondly, Mikania micrantha is easy to form drug resistance and has a broad spectrum, and even some chemical agents It has a great impact on trees, shrubs, vegetables and other crops. After the pesticide enters the soil, it has a long half-life in the soil and affects the ecological environment.

Method used

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  • Mikania micrantha prevention and control composition and application thereof
  • Mikania micrantha prevention and control composition and application thereof
  • Mikania micrantha prevention and control composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Proportioning raw materials according to the following weight percentages: Bentazone 14%, fomesafen 7%, alkylbenzene sulfonate 1%, lignosulfonate 1%, xanthan gum 2%, ethylene glycol 5%;

[0041] Then add water to 100%, mix and stir to make a suspension.

[0042] When applying, choose before the flowering period of Mikania micrantha, and mix the above suspension at 1000-1500ml / hm 2 , Spray 600L-1000L of water on the leaves of Mikania micrantha plants, and spray once.

[0043] Figure 1A There is a plant picture of Mikania micrantha growing in a protected area in Shenzhen City. After 90 days of using the suspending agent of Example 1 of the present invention, by Figure 1B It can be seen that the Mikania micrantha has basically withered in this area. It can be seen from this that the killing rate of Mikania micrantha is 100%, which has a good killing effect, and has little impact on the surrounding trees and shrubs, and is relatively safe.

Embodiment 2

[0045] Proportion raw materials according to the following weight percentages: Bentasone 20%, fomesafen 10%, alkylbenzene sulfonate 0.5%, alkylamino taurate 0.5%, polyvinylpyrrolidone 2%, glycerin 5%;

[0046] Then add water to 100%, mix and stir to make a suspension.

[0047] When applying, choose before the flowering period of Mikania micrantha, mix the above-mentioned suspending agent according to 1000-1500ml / hm 2 , add 100g of washing powder, then add 600L-1000L of water, spray on the leaves of Mikania micrantha plants, and spray once.

[0048] Figure 2A There is Mikania micrantha plant picture growing in another protected area of ​​Shenzhen City, after applying the suspending agent of the embodiment of the invention 2 for 90 days, by Figure 2B It can be seen that the Mikania micrantha in this area has basically withered, so it can be seen that it has a good killing effect on Mikania micrantha.

Embodiment 3

[0050] Proportioning raw materials according to the following weight percentages: the components of the chemical agent are: bentazone 17%, fomesafen 8%, alkylbenzene sulfonate 1%, polyvinylpyrrolidone 1%, methyl cellulose 2% , glycerol 5%, add water to 100%.

[0051] Then add water to 100%, mix and stir to make a suspension.

[0052] When applying, choose before the flowering period of Mikania micrantha, and mix the above suspension at 1000-1500ml / hm 2 , add 100g of dish soap, then add 600L-1000L of water, spray on the leaves of Mikania micrantha plant, and spray once.

[0053] Figure 3A There is Mikania micrantha plant picture growing in a certain park in Shenzhen City, and after 90 days of using the suspending agent of the embodiment of the present invention 3, by Figure 3B It can be seen that most of the Mikania micrantha in this area has withered, so it can be seen that it has a good killing effect on Mikania micrantha.

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Abstract

The invention provides a mikania micrantha prevention and control composition, which is prepared from bentazon and fomesafen, the mass of which accounts for 20%-30% of the total mass of the composition. The mass ratio of bentazon to fomesafen is (14-20):(6-10). The composition is also prepared from a cosolvent, the mass of which accounts for 3% to 5% of the total mass of the composition, and the cosolvent is prepared from alkylbenzene sulfonate, a dispersant and a thickener in a mass ratio of 1:1:2 to 1:1:4. The composition has remarkable effect on killing mikania micrantha, has little phytotoxicity to trees and shrubs, makes up for the defects of mikania micrantha prevention and control chemicals on the market, has higher ecological safety performance, and is applicable to forest land, cultivated land and other areas suffering from a higher degree of damage from the mikania micrantha. The invention also provides application of the mikania micrantha prevention and control composition.

Description

technical field [0001] The invention relates to the technical field of harmful plant control, in particular to a composition for preventing and controlling harmful vines Mikania micrantha and its application. Background technique [0002] Mikania micrantha is a perennial herbaceous vine of the genus Mikania Willd. in the Asteraceae family, native to tropical America. Mikania micrantha likes fertile and moist soil, and it is easier to grow when there is sufficient light. It competes for sunlight by climbing, entwining, and covering other plants, and consumes a large amount of water and nutrients in the soil, posing a threat to the growth of other plants and reducing the stability of the natural ecosystem. obviously decased. According to statistics, as of 2009, the area of ​​Mikania micrantha in Huizhou City, Guangdong Province has reached 18553hm 2 , the total occurrence area of ​​Mikania micrantha in Futian District of Shenzhen in 2010 was 562.13hm 2 ; In 2013, the distri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01N41/06A01P13/00
CPCA01N41/06A01N43/88
Inventor 宋雪黄文良陈少东王旭光王彰九王辉
Owner 深圳中绿环境集团有限公司
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