CN108419637A - A kind of biological substitution method of control bidentis exotic invasive - Google Patents
A kind of biological substitution method of control bidentis exotic invasive Download PDFInfo
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- CN108419637A CN108419637A CN201810083133.8A CN201810083133A CN108419637A CN 108419637 A CN108419637 A CN 108419637A CN 201810083133 A CN201810083133 A CN 201810083133A CN 108419637 A CN108419637 A CN 108419637A
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- bidentis
- coreopsis
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- sowing
- biological substitution
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of biological substitution methods of control bidentis exotic invasive, the method is by using the seeding method of drilling to plant coreopsis in the ecological soil that bidentis has been invaded or is easily invaded, and then inhibiting the growth and development of bidentis, the thickness of sowing of the coreopsis is 1g/m2~3g/m2.There is biological substitution method provided by the invention extraordinary preventive effect, the inhibiting rate of bidentis can reach 100%.Coreopsis has very high ornamental value and medical value, using the effect that the method for the present invention can realize certain economic value while controlling bidentis and beautify the environment, suitable for being planted in city, backroad both sides.
Description
Technical field
The present invention relates to ecological control field, relates in particular to a kind of biology of control bidentis exotic invasive and replace
For method.
Background technology
Bidentis [Flaveria bidentis (L.) Kuntze] is that the malignant weed in invasion China and China forbid
Inward quarantine harmful organisms, ecological environment is adaptable, to saline and alkaline and arid with stronger patience；Fertility
By force, seed production is high, and one plant of plant can generate hundreds of even thousands of seeds, and seed is small and light, easily transmitted diffusion.It removes
Except this, bidentis, which is also secreted, generates allelochemical, inhibits native plants growth, ties up native plants growing space, can be very
It is fast to form dominant population, to reduce the bio-diversity on invasion ground, or even it is also possible to generate the filial generation for having more destructive power,
It is ecological environment " green disaster ", is referred to as " ecological killer ", there is the bad reputation of " I the flowers are in blossom after all sorts of flowers kill ".
It is reported that bidentis 2001 after Tianjin is found for the first time, has diffused to the provinces such as Hebei, Tianjin, Shandong so far
City, occurring area are more than 20,000 hectares, and serious economic loss and ecocatastrophe are caused to the agriculture in China, woods, animal husbandry production.
Chemical pesticide is mainly pulled out using artificial physics and sprayed to the method for the instruction plant bidentis of China's prevention at present
Method.Although artificial removal method can control bidentis in short-term, this method is not only time-consuming and laborious, but also cannot be fundamentally
The diffusion and sprawling of bidentis are solved, it is palliative.On the one hand chemical prevention and control method consumes manpower financial capacity, cause indirectly to pass through
Ji loss；On the other hand, the long-time service of chemical pesticide can not only make bidentis generate serious drug resistance, can also be to environment
It pollutes, threatens human health.
The successful invasion of adventitious plant is related with invasion domain floristics and diversity, and the ecology using invasion domain plant is anti-
Imperial function, the invasion for resisting adventitious plant by ecosystem itself are the control effective methods of exotic plant invasion,
Therefore, seek suitable plant and its planting patterns to carry out biological substitution to bidentis as important research topic.Such as mesh
Before have researcher using plants such as Sorghum sudanense, prairie milk vetch, Amaranthus retroflexus to inhibit bidentis, although prairie milk vetch to bidentis have compared with
Good preventive effect, but application range is narrow, is especially unsuitable for growth in heavy soil (Zhang Jinshan and Zhang Fuguang, present age poultry
It herds, the 04th phase in 1994).In view of the vast region in China and various geographical environment, existing method is difficult to meet actual demand.
Invention content
It is an object of the invention to provide a kind of biological substitution methods of control bidentis exotic invasive, to solve existing skill
Can be used in controlling in art bidentis floristics preventive effect is undesirable and problem that application range is narrow.
The purpose of the present invention is what is be achieved through the following technical solutions：A kind of biological substitution of control bidentis exotic invasive
Method, the method are by using the seeding method of drilling to plant wave in the ecological soil that bidentis has been invaded or is easily invaded
This chrysanthemum, and then inhibit the growth and development of bidentis, the thickness of sowing of the coreopsis is 1g/m2~3g/m2。
The sowing line-spacing of the coreopsis is 20cm~30cm, and depth of planting is 0.5cm~4cm.
The sowing line-spacing of the coreopsis is 25cm~30cm, and depth of planting is 1cm~3cm.
At the beginning of the sowing time of the coreopsis is North China's late April to 5 months.
The biological substitution method of control bidentis exotic invasive provided by the invention has extraordinary preventive effect, this hair
It is bright under certain thickness of sowing, to September part bidentis incidence be 0, the inhibiting rate of bidentis can reach 100%.
The present invention uses biological substitution plant of the coreopsis as bidentis, seed to be easy to get, and implantation methods are simple, easily
Operation, and suitable for being planted in sandy land, heavy soil, compensate for the deficiencies in the prior art.The present invention is substituted with other biological
Plant is compared, and can generate stronger inhibiting effect to bidentis compared under low-density, therefore greatly reduce prevention bidentis
Cost input.
In addition, coreopsis has very high ornamental value and medical value, it can be on the yellow top of control using the method for the present invention
The effect realized certain economic value while chrysanthemum and beautified the environment, suitable for being planted in city, backroad both sides.
Specific implementation mode
Embodiment 1
The present invention uses bidentis and coreopsis miscegenation, and coordinates specific Cultivate administration technology, realizes the control of the present invention
The purpose of bidentis processed, is as follows：
1. the clearance technique of the bidentis before biological substitution improvement
Test site is seated the Langfang City Chinese Academy of Agricultural Sciences of Hebei province Langfang scientific research Pilot Base, and (experimental field soil is
Viscous principal characteristic soil).Test plot has been invaded by bidentis in the previous year, and the previous year August part is clear using artificial removal method
In addition to bidentis plant.
2. sowing and final-period management
The seeding method of coreopsis be drilling, sowing line-spacing be 28cm, depth of planting be 1cm~3cm, the sowing time be
At the beginning of late April to 5 months, thickness of sowing is respectively 1g/m2、2g/m2And 3g/m2.The thickness of sowing of bidentis is 0.06g/m2.Examination
Five repetitions of setting are tested, each quadrat size of testing is 3 × 2m2(long × wide), is 1m buffering areas between sample prescription, each sample prescription with
Machine is distributed.Watering mode is trickle irrigation, natural precipitation, and growth period manually extracts other kinds of weeds.
3. sampling and measuring plant growth index of correlation.
June and September just measure the indices of bidentis respectively, specific as follows, and result is listed in Tables 1 and 2 respectively
In.
Plant height：The tape measure for being 1mm with minimum scale measures plant height, calculates the average value of plant height；
Strain number：Manually look into meter cell；
Branch amount：Artificial counting calculates branch amount average value；
Spend number：10 branches of each cell spend number, calculate average single plant and spend number；
Biomass：After being finished at 105 DEG C with baking oven, at 85 DEG C, drying to constant weight, its dry weight is claimed on electronic balance, calculates
Biomass average value.
Embodiment 2, embodiment 3, comparative example 1
Change the thickness of sowing (being specifically shown in Tables 1 and 2) of coreopsis, other conditions are constant, and the items for measuring bidentis refer to
Mark, and be listed in Tables 1 and 2 respectively.
Comparative example 1
Bidentis (thickness of sowing 0.06g/m is only sowed in testing sample prescription2) it is used as blank control, other management measures
With embodiment 1, the indices of bidentis are measured, are listed in Tables 1 and 2 respectively.
Table 1：June bidentis indices
Note：Numerical value is mean+SD in table.Different letters indicate Multiple range test significant difference (P<0.05).
Table 2：The indices of September part bidentis
Note：Numerical value is mean+SD in table.Different letters indicate Multiple range test significant difference (P<0.05).
As seen from table, the bidentis during the bidentis in single processing is handled with different densities miscegenation is in plant height, strain number, life
Object amount, branch amount and spend number aspect there is significant difference, coreopsis shows bidentis fairly obvious inhibition.
In comparative example 1, coreopsis thickness of sowing is 0.2g/m2, June, the incidence of bidentis was 64.18%, and average plant height reduces
25.10%, average biomass of individual tree reduces 34.24%, and the incidence of September part bidentis is 48.15%, the inhibiting rate of bidentis
It is 51.85%.In embodiment 1, coreopsis thickness of sowing is 1g/m2, June, the incidence of bidentis was 3.56%, average strain
Height reduces 67.41%, and average biomass of individual tree reduces 94.89%, and the incidence to September part bidentis is 0, the suppression of bidentis
Rate processed reaches 100%, it is seen that the present invention can completely inhibit the growth of bidentis under smaller thickness of sowing.Embodiment 2 and reality
It applies in example 3, coreopsis thickness of sowing is 2g/m2And 3g/m2, June, the incidence of bidentis was respectively 2.87% and 2.64%,
Plant height reduced rate is 75.82% and 80.04%, and biomass of individual tree reduced rate is 96.08% and 99.21%；September part bidentis
Incidence is 0, and the inhibiting rate of bidentis reaches 100%.The opposite competition intensity (RCI) of bidentis and coreopsis is 1 (RCIY=
(Ycontrol-Ytreatment)/Ycontrol, wherein Y is the dry weight of bidentis), show that it makees the control of the exotic invasive of bidentis
With notable.
Coreopsis of the present invention after planting mushrooms out, being capable of rapid Cover ground, it is suppressed that bidentis goes out
Seedling, the powerful density effect of later-stage utilization form shading effect, to inhibit the growth of bidentis to bidentis.With it is existing
Technology is compared, and control effect of the invention protrudes, in addition, coreopsis is not only very drought-resistant, it is barren-resistant, and to weather, soil
Earth adaptability is very strong, can be grown in sandy land, clayed ground.
Control effect of the present invention is good, and seed easily obtains, of low cost, saving of labor save trouble and labor, wide to soil suitability, and grasps
Make and management is simple, can be widely applied.
Claims (3)
1. it is a kind of control bidentis exotic invasive biological substitution method, characterized in that the method be by bidentis
Using the seeding method plantation coreopsis of drilling in invasion or the ecological soil easily invaded, and then inhibit the growth hair of bidentis
It educates, the thickness of sowing of the coreopsis is 1g/m2~3g/ m2。
2. the biological substitution method of control bidentis exotic invasive according to claim 1, characterized in that the coreopsis
Sowing line-spacing be 20cm ~ 30cm, depth of planting be 0.5cm ~ 4cm.
3. the biological substitution method of control bidentis exotic invasive according to claim 1, characterized in that the coreopsis
Sowing line-spacing be 25cm ~ 30cm, depth of planting be 1cm ~ 3cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810083133.8A CN108419637B (en) | 2018-01-29 | 2018-01-29 | Biological substitution method for controlling external invasion of flaveria bidentis |
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| CN201810083133.8A CN108419637B (en) | 2018-01-29 | 2018-01-29 | Biological substitution method for controlling external invasion of flaveria bidentis |
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| CN108419637A true CN108419637A (en) | 2018-08-21 |
| CN108419637B CN108419637B (en) | 2021-08-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109566300A (en) * | 2018-12-27 | 2019-04-05 | 河北大学 | A kind of biological substitution method controlling artemisiifolia exotic invasive |
| CN109661943A (en) * | 2019-01-29 | 2019-04-23 | 河北大学 | A kind of biological substitution method using maidenhair control bidentis exotic invasive |
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| CN101743837A (en) * | 2009-12-28 | 2010-06-23 | 中国农业科学院农业环境与可持续发展研究所 | Method for substituting for flaveria bidentis by utilizing combination of sunflower and perennial ryegrass |
| CN101743946A (en) * | 2010-01-08 | 2010-06-23 | 农业部环境保护科研监测所 | Method for controlling invasion of flaveria bidentis through ecological substitution |
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2018
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Cited By (3)
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|---|---|---|---|---|
| CN109566300A (en) * | 2018-12-27 | 2019-04-05 | 河北大学 | A kind of biological substitution method controlling artemisiifolia exotic invasive |
| CN109566300B (en) * | 2018-12-27 | 2021-09-21 | 河北大学 | Biological substitution method for controlling foreign invasion of ragweed |
| CN109661943A (en) * | 2019-01-29 | 2019-04-23 | 河北大学 | A kind of biological substitution method using maidenhair control bidentis exotic invasive |
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| CN108419637B (en) | 2021-08-10 |
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