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Method for using China fir to control mikania micrantha

A technology of Mikania micrantha and Chinese fir, which is applied in the field of pest ecological control, can solve the problems that are difficult to popularize and apply, treat the symptoms but not the root cause, and spread, and achieve the effects of improving land utilization, being environmentally friendly, and promoting production increase

Active Publication Date: 2015-01-07
YUNNAN ACAD OF FORESTRY +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, we mainly use chemical, natural enemy resource utilization, artificial extraction and other methods to prevent and control Mikania micrantha. Although they can achieve certain effects, they can only treat the symptoms but not the root cause. Mikania micrantha is still relapsing, spreading and spreading.
[0003] Although there is an invention patent application "a method of controlling Mikania micrantha by means of alternative control combined with herbicide application (CN201210533086)", which uses sweet potato Ipomoea batatas Combining the herbicide "Bencao Song" to prevent and control Mikania micrantha, but after all, most of the areas suitable for sweet potato planting are agricultural land, and they are relatively fertile cultivated land, while mountainous and raw land are not easy to plant, and sweet potatoes have a narrow suitable range, and are not suitable for Mikania micrantha. The continuous control ability is limited, and the vines will wither in winter, and need to be constantly replanted, which brings certain difficulties to the continuous control of Mikania micrantha
There is another invention patent application "a method for completely curbing the growth of new individuals of the malignant weed Mikania micrantha (CN200510033305)", which also involves the alternative control of Mikania micrantha, and the choice is the maple Heteropanax fragrans Alternative control of Mikania micrantha, although Mikania micrantha can control Mikania micrantha to a certain extent, but after all, the greatest value of the maple is ornamental value, which belongs to landscape garden plants. It is used in large scale to replace Mikania micrantha, and its cost investment is relatively large, so it is difficult to popularize and apply; In addition, the site conditions in the area where Mikania micrantha occurs are not completely suitable for planting Umbrella Maple

Method used

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  • Method for using China fir to control mikania micrantha

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Experimental program
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Effect test

Embodiment 1

[0015] 1) In the area where Mikania micrantha has been harmed, and the natural geographical conditions of the area are: a climate environment with warm and humid, foggy and calm wind, annual average temperature of 23°C, extreme minimum temperature of -17°C, and annual precipitation of 2000mm , and belong to fertile, deep, moist, well-drained acidic or slightly alkaline soil;

[0016] 2) The 1-year-old first-grade Chinese fir seedlings with a ground diameter of 0.6cm and a seedling height of 32cm were planted in July of that year, with a plant spacing of 1.5m and a row spacing of 1m;

[0017] 3) Continuous growth for 3 years, weeding and loosening the soil once a year in June, and topdressing once a year at the end of each year;

[0018] 4) After 3 years of growth, pruning is carried out at the end of the year, and then topdressing is carried out as usual, so that it can be gradually replaced until the Mikania micrantha is completely contained.

Embodiment 2

[0020] 1) In the area where Mikania micrantha has been harmed, and the natural geographical conditions of the area are: a climate environment with warm and humid, foggy and calm wind, annual average temperature of 15°C, extreme minimum temperature of -17°C, and annual precipitation of 800mm , and belong to fertile, deep, moist, well-drained acidic or slightly alkaline soil;

[0021] 2) The 1-year-old first-grade fir seedlings with a ground diameter of 0.4cm and a seedling height of 30cm were planted in June of that year, with a plant spacing of 1m and a row spacing of 1.5m;

[0022] 3) Continuous growth for 4 years, weeding and soil loosening once a year in July, and topdressing once a year at the end of each year;

[0023] 4) After 3 years of growth, pruning should be carried out at the end of each year, and then topdressing should be carried out once as usual, so that it can be gradually replaced until the Mikania micrantha is completely contained.

Embodiment 3

[0025] 1) In the area where Mikania micrantha has been harmed, and the natural geographical conditions of this area are: a climate environment with warm and humid, foggy and calm wind, annual average temperature of 20°C, extreme minimum temperature of -17°C, and annual precipitation of 1000mm , and belong to fertile, deep, moist, well-drained acidic or slightly alkaline soil;

[0026] 2) The one-year-old first-grade Chinese fir seedlings with a ground diameter of 0.5cm and a seedling height of 36cm were planted in July of that year, with a plant spacing of 1.2m and a row spacing of 1.2m;

[0027] 3) Continuous growth for 3 years, weeding and loosening the soil once a year in June, and topdressing once a year at the end of each year;

[0028] 4) After 3 years of growth, pruning is carried out at the end of the year, and then topdressing is carried out as usual, so that it can be gradually replaced until the Mikania micrantha is completely contained.

[0029] In order to show t...

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Abstract

The invention provides a method for using China fir to control mikania micrantha. The method includes: planting China fir seedlings in areas with the mikania micrantha and suitable for China fir growth according to the plant row distance of 1-1.5m*1.5-1m, and cultivating the China fir for 3-4 years to gradually replace the mikania micrantha until the mikania micrantha is completely contained. By the method, the growth of the mikania micrantha can be contained completely, spreading of the mikania micrantha is controlled, and China fir timbers and products machined by the China fir can be acquired. In addition, the method is environmental friendly, low in investment, high in earnings, fast to become effective, simple, practical, and easy to popularize.

Description

technical field [0001] The invention relates to a method for controlling mikania micrantha by using Chinese fir, and belongs to the technical field of pest ecological control. Background technique [0002] Mikania micrantha is a perennial herbaceous vine of the genus Eupatorium in the Asteraceae family. In 2004, the International Union for Conservation of Nature (IUCN) announced that it was one of the 100 most invasive alien species in the world. On January 9, 2013, it was once again identified as the only national forestry quarantine harmful plant by the Chinese government announcement. At present, the prevention and control of Mikania micrantha is mainly carried out by means of chemical, natural enemy resource utilization, and manual extraction. Although they can all achieve certain effects, they can only treat the symptoms but not the root cause, and Mikania micrantha is still relapsing, spreading, and spreading. [0003] Although there is an invention patent application...

Claims

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Application Information

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IPC IPC(8): A01G17/00
CPCA01G17/005A01G22/00
Inventor 泽桑梓季梅杨斌赵宁周平阳朱家颖户连荣王大伟王琳林向群张传光
Owner YUNNAN ACAD OF FORESTRY
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