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Eupatorium adenophorum replacement control method by utilizing dolichos lablab L

A kind of E. japonica and alternative control technology, applied in the field of biological control, can solve the problems of weak competitiveness, poor control effect, slow growth, etc., and achieve the effects of wide ecological adaptability, good coverage, and increased fertility

Inactive Publication Date: 2011-09-14
BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of this invention is to provide a kind of method that utilizes Laba bean to substitute and control Eupatorium adenophorum, solve the replacement plant variety (such as perennial ryegrass etc.) that adopts in the substitute control of Eupatorium adenophorum in the past to grow slowly, cover degree is little, competition The problem of weak ability and poor prevention and control effect

Method used

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  • Eupatorium adenophorum replacement control method by utilizing dolichos lablab L
  • Eupatorium adenophorum replacement control method by utilizing dolichos lablab L
  • Eupatorium adenophorum replacement control method by utilizing dolichos lablab L

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Experimental program
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Effect test

Embodiment 1

[0023] Embodiment 1: alternative plant ecological adaptability test

[0024] The substituted plants for the test were Labrador (provided by the Beijing representative office of the American Bailv Group), Amorpha fruticosa, African foxtail, pig dung bean, grass hut, corymbose cassia, perennial ryegrass, duck's grass, pennisetum, carnation Mulberries. The test was carried out in Chitu Village, Huishui County, Guizhou Province. The test site is located at 26.2° north latitude, 106.3° east longitude, and an altitude of about 1000m. The frost-free period is about 270 days. The annual average temperature is 14-16°C. The monthly average temperature is 4-6°C, the annual extreme maximum temperature is between 34.0-36.0°C, the extreme minimum temperature is between -6.0--9.0°C, and the annual average annual precipitation is 1100-1300mm. It is rainy, and the drought is severe from August to October.

[0025] Table 1 planting method for testing alternative plants

[0026]

[0027] T...

Embodiment 2

[0032] Embodiment 2: the competition test of substitute plant and Eupatorium adenophorum

[0033] The experiment was conducted outdoors in Shazi Township, Zhenning County, Guizhou Province. The species of substitute plants were Labrador and perennial ryegrass (control species), and their competition objects were Eupatorium adenophorum. The test pots are plastic pots with a diameter of 18 cm and a height of 14.8 cm. Each pot contains 2000 g of soil from the Eupatoria adenophorum invasion site. The soil is acidic yellow soil with an organic matter content of 15.6 g / Kg. Sowing on May 26, 2010, the replacement plant was sown 1 cm deep, and Eupatorium adenophorum was sown on the soil surface, and then the soil was kept moist. When the seedlings were 2-3 cm high, the replacement plant and Eupatorium adenophorum were planted in each pot. The number of plants was reserved according to the ratio of 4:0, 3:1, 2:2, 1:3 and 0:4 respectively. Fertilizers were not applied throughout the g...

Embodiment 3

[0039] Embodiment 3: field experiment of preventing and controlling Eupatoria adenophorum by Raba bean

[0040] The test was carried out in Shazi Township, Zhenning County, Guizhou Province, about 100Km away from the site of Example 1, and to the southwest. The climate, altitude and soil texture are similar to the Huishui test site, and there was no severe drought in the test year.

[0041] The experimental site is a gentle slope mountain with a slope of 20°, and a small number of young peach trees are planted, with a density of 1 tree / 43.5m 2 , canopy density is less than 0.69. The number of Eupatorium adenophorum before site preparation (division number) was 71.7 plants / m 2 . The sowing time was May 1, 2010, when the soil moisture was good. First cut down Eupatorium adenophorum on the ground, and then divide the treatment of completely digging out the roots of Eupatorium adenophorum and the treatment of retaining the roots of Eupatorium adenophorum (that is, cutting trea...

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Abstract

The invention discloses a eupatorium adenophorum replacement control method by utilizing dolichos lablab L, belonging to the field of biological control. In the method, an optimum succession ecological community is established on the land growing with eupatorium adenophorum in tropical and subtropical areas of China by planting the dolichos lablab L, weeding at proper time, targeted fertilizing, proper cutting and other steps. The dolichos lablab L has the advantages of high growing speed, high cover degree and good effect of displacement control on the eupatorium adenophorum, and can increase the soil fertility. The dolichos lablab L is high-quality pasture, has high fresh grass yield and high economical utilization value, and can provide sufficient high-quality feeds for developing animal husbandry in poverty-stricken areas, so that income of peasants is increased.

Description

technical field [0001] The invention belongs to the field of biological control, and in particular relates to a method for substituting and controlling Eupatoria adenophorum by using rabad bean. Background technique [0002] Eupatorium adenophorum (Eupatorium adenophorum Sprengel), Eupatorium adenophorum genus, Asteraceae Eupatorium genus, perennial herb or subshrub, seed propagation and vegetative propagation, seeds are extremely small, 1000-grain weight 0.04-0.045g, each Eupatorium adenophorum can produce 3-10 seeds Thousands of grains, spread by wind, water or carry. Eupatorium adenophorum can be grown under climate conditions where the annual average temperature is higher than 10°C, the annual average relative humidity is higher than 68%, the absolute minimum temperature is not lower than -11.5°C, the highest temperature is below 35°C, and the coldest monthly average temperature is higher than 6°C. grow appropriately. Eupatorium adenophorum can adapt to occur and grow ...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01M21/00
Inventor 卢向阳刘伟成杨剑芳卢彩鸽田兆丰刘霆张涛涛董丹刘冰
Owner BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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