CN102771303B - Method for selecting and changing seeds of saline-alkali-resistant ditch millet lawn - Google Patents
Method for selecting and changing seeds of saline-alkali-resistant ditch millet lawn Download PDFInfo
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- CN102771303B CN102771303B CN 201210298371 CN201210298371A CN102771303B CN 102771303 B CN102771303 B CN 102771303B CN 201210298371 CN201210298371 CN 201210298371 CN 201210298371 A CN201210298371 A CN 201210298371A CN 102771303 B CN102771303 B CN 102771303B
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Abstract
The invention relates to a method for growing and breeding ditch millet in the intertidal zone of coastal areas of Jangsu, and particularly relates to a method for selecting seeds of saline-alkali-resistant ditch millet, belonging to the field of the green and soil and water conservation of saline-alkali soil, the improvement of the saline-alkali soil and the herding utilization in the saline-alkali soil. According to the method, the strong saline-alkali-resistant ditch millet is bred, can grow on the soil of the intertidal zone of Jangsu, and can be irrigated by saline-alkali water resource,and the application value in gardens and the ecological application value are high.
Description
Technical field
The present invention relates to a kind of seed selection and be fit to Littoral Jiangsu Province beach growth ditch millet and propagation method, particularly a kind of seed choosing method of anti-strong saline and alkaline ditch millet belongs to saline land greening, water and soil conservation, alkaline land improving, saline land herding and utilizes the field.
Background technology
Current jiangsu coast exploitation rises to national Development Strategy, becomes Jiangsu and develops most important strategy and new growth pole.The shoaly land exploitation is one of important content of jiangsu coast exploitation.
(1) the beach initiative and advantages of the localities are remarkable, and potentiality to be exploited is large.
The resources advantage major embodiment of Sustainable Utilization Issues in Tidal Flat of Jiangsu Province: at first be the soil reserved resources, 1,143 ten thousand mu of total beach areas, account for 1/4 of the national beach gross area, have now and can enclose beach more than 1,300,000 mu, and whenever have every year the beach about 30,000 mu generating, also have nearly 1,000,000 mu poor efficiency salt pan can supply development and use; Next is marine resources, and the enrichment of jiangsu coast marine organisms, wind resource are abundant and environmental carrying capacity is also stronger.The 3rd is that ecological functions are very active, coastal beach is in the zone of transition of the flood and field two large ecosystems, very frequent with the exchange of the material in the external world and energy, material recycle, power conversion all are among the violent dynamic equilibrium, and ecological functions are very active.The Sustainable Utilization Issues in Tidal Flat of Jiangsu Province resources advantage is obvious, and the geographical position is important, is in again the Economy In Northern Jiangsu low developed area, has newcoming advantage, therefore has very large potentiality to be exploited.
(2) ecosystem is fragile, and environmental disruption is polynary.
Beach generally becomes the land time shorter, and the formation of the beach ecosystem is still unstable, and its dynamic change is fairly obvious, is also very easily destroyed, and causes the deterioration of ecotope.Because the beach area is the sensitive area that Hai Lu crosses, the beach ecosystem is subject at any time terrestrial environment and changes the double action that changes with marine environment, is subject to the interference of many factors, and it is relatively more fragile that the ecosystem seems, not only easily destroyed, and in case destruction just is difficult to recovery.On the other hand, human activity is diversification, so also be diversification on the impact of beach environment with destroying.As excessively capture a large amount of exhaustions that coyoting causes Tidal Flat Resources, even form light beach, dead beach.A large amount of industry, agricultural, domestic pollution enter the coastal waters, cause beach seriously polluted.Build the sea wall culverts and water gates, changed in a way the beach natural environment.It is so all that to have caused destruction in various degree to utilize the difficulty of growing plants on beach plant maximum to the beach ecosystem be exactly that how to guarantee can normal growth on the beach of these plants in salinization of soil.The tidal flat of Jiangsu Province salinization of soil is heavy, mostly is the primary landforms in saline land that do not utilize, and has the salt wormwood artemisia except sparse, does not have other green vegetation.Soil salt content is up to more than 1%, and is serious to edaphon and root system of plant harm.Secondly, soil belongs to clay soil, and soil fertility and physical property are poor, and the content of organic matter is low, and is ventilative poor with water-holding capacity, causes soil so-called " cold, cool, plate, thin ".This area is that beach accretion forms simultaneously,, formation time is decades only, physical features is mild, and natural gradient is very little, and draining on the ground and groundwater flow are not smooth, and subterranean water level is high, and salinity is along with underground water arrives floor surface along capillary rise, and accumulating over a long period makes native salinization of soil aggravation.
At present the beach soil salt content is many 1%, about, belong to heavy salinized, outside desalination wormwood artemisia, the Value of Spartina Anglica, almost without any ornamental plant can be on this side beach normal growth.Soil removal and replacement not only economic cost is large, and wastes a large amount of cultivated land resources, welding.Beach periphery River is all to a certain degree saline and alkaline simultaneously, waters and must attract from afar fresh water, and cost is high.
A kind of herbaceous plant of seed selection how, in the situation that not soil removal and replacement, can normal growth on beach soil, both had landscape value, can improve again soil, conserve water and soil, have larger economic benefit and social benefit.
The present invention is that the energy normal growth uses the pouring of saline and alkaline water source, and has higher Landscape Application and ecological using value on Jiangsu Province beach soil by a kind of anti-strong saline and alkaline Dallis grass of seed selection.
Summary of the invention
The invention provides a kind of paspalum lawn seed choosing method of Salt And Alkali Tolerance, purpose is the ditch millet kind that selects by this method, can be grown in salt content reaches on the soil about 1%, the water source that uses salt content to reach about 1% waters, form without flower, without the ditch millet of planting, allow Dallis grass be more applicable for general lawn.
For finishing the foregoing invention purpose, the present invention is achieved in that a kind of paspalum lawn choosing of Salt And Alkali Tolerance replants method, and it is characterized in that: it may further comprise the steps,
1. provenance is collected
In Jiangsu, Zhejiang, Shandong coastal area collects ditch millet class germplasm provenance, takes back the proving ground seed selection;
2. laboratory seed selection;
The germplasm provenance of using the husky training of nutritive cube to collect in the greenhouse; With the salt solution pouring of grass blade plantation, use 1% concentration, after 3 months the provenance of normal growth is chosen first, entered small plot experiment; Afterwards, use the pouring of 2%-3% concentration seawater, 2 times per month, after 2 years, obtain 5 kinds; 5 kind residential quarters by normal maintenance work, by turf quality marking test, are selected the lawn species of best turf quality;
3. grass blade breeding;
Until the lawn after the florescence before long kind, therefrom its grass roots section kind stem of upwards wiping out 3-5CM is cultivated; Described kind of stem should be under kind of the joint, and the part that will contain seed and flower is removed; Only keep pure stem; Reject the part that the band point has minor matters;
4. become the level ground breeding;
Density artificial broadcast according to 3 square meters of 1 kilogram of plantation screws in grass blade about soil 1cm with rotovator again; In time water seawater, keep ground moistening, grass blade roots after 10 days, executes nitrate of lime or composite fertilizer once, and the every square meter of 25 grams applied fertilizer once every 15 days, approximately two first quarter moon Cheng Ping afterwards;
5. purification lawn;
Grass and living seed-bearing grass that part is bloomed are rejected;
Repeat (4) and go on foot expansion lawn area.
This patent is chosen from more than 100 kinds of Dallis grasses, utilizes seawater to water, and adopts the mode of artificial selecting to select the Dallis grass that can be directly applied for the seawater pouring from several Dallis grass, by special method, purifies, and changes ditch millet moral character.
Technique scheme is done further to improve, and described soil is that original beach saline-alkali soil, salt content are about 1%.It is the most serious saline land that 1% salt content is representing such soil, can survive in such soil, has also just represented, and where upward this Plants can growth in office.
Technique scheme is done further to improve, and the seawater salinity of watering in (4) step is greater than 3%.The salt content of China's seawater is different, and is different in different marine site salt content, but 3% seawater is the salt content maximum, if can be suitable for 3% salt content seawater, just go for so all marine sites of China.
Technique scheme is done further to improve, and described lawn can be bred three to four times in 1 year, and a square meter is bred the 6-10 square meter.According to the upgrowth situation on lawn, can do three to four times pruning in 1 year, breed thereby finish the high speed that 1 year square meter brings out the 6-10 square meter.
Embodiment
(1) provenance is collected
2007 in Jiangsu, Zhejiang, Shandong coastal area collects 125 parts of ditch millet class germplasm provenances, takes back the proving ground seed selection.
(2) laboratory seed selection;
The germplasm provenance of using the husky training of nutritive cube to collect in the greenhouse.With the salt solution pouring of grass blade plantation, use 1% concentration, after 3 months 35 parts of provenances of normal growth are chosen first, entered small plot experiment.
(3) outdoor cell test seed selection;
With 35 parts by experiment the provenance of chamber seed selection be planted in the residential quarter.Subdistrict position is regional such as eastern coastal beach, and soil salinity and alkalinity is 1%.Use first the saline-alkali water pouring of 1% concentration, approximately Cheng Ping after 3 months.Afterwards, use 3% concentration seawater pouring (2 times per month), after 2 years, obtain 5 kinds.
5 kind residential quarters by normal maintenance work, by turf quality marking test, are selected the lawn species of best turf quality.
(4) grass blade breeding;
Before treating that the lawn florescence, length was planted afterwards, upwards wipe out the kind stem of 3-5CM from its grass roots section and cultivate; Described kind of stem should be under kind of the joint, and the part that will contain seed and flower is removed; Only keep pure stem; Rejecting is with the part of minor matters;
(5) become the level ground breeding;
Density artificial broadcast according to 3 square meters of 1 kilogram of plantation screws in grass blade about soil 1cm with rotovator again; In time water seawater, keep ground moistening, grass blade roots after 10 days, executes nitrate of lime or composite fertilizer once, and the every square meter of 25 grams applied fertilizer once every 15 days, approximately two first quarter moon Cheng Ping afterwards;
(6) purification lawn;
The grass that to bloom and living seed-bearing grass are rejected.
Secondary is bred and can be adopted following method
Use first grass mower that the lawn is cut short, re-use homemade vertical grass dressing machine from become the level ground dredge out grass blade.Use manually grass blade in time to be collected, install with the string bag; The grass blade that rejecting is bloomed and living seed-bearing grass blade.In time be transported to the plantation place, the density artificial broadcast according to 3 square meters of 1 kilogram of plantation screws in grass blade about soil 1cm with rotovator again.In time water, keep ground moistening, grass blade roots after 10 days, executes nitrate of lime or composite fertilizer once, and the every square meter of 25 grams applied fertilizer once every 15 days, approximately two first quarter moon Cheng Ping afterwards.
One square meter lawn generally can get 0.5 kilogram of grass blade, and turf plant is 1.5 square meters approximately.A square meter can be bred the 6-10 square meter in 1 year, and the speed of breeding is greatly faster than turf, and cost of transportation is low, became the level ground effective.
Claims (4)
1. the choosing of the paspalum lawn of a Salt And Alkali Tolerance replants method, and it is characterized in that: it may further comprise the steps:
(1) provenance is collected;
In Jiangsu, Zhejiang, Shandong coastal area collects ditch millet class germplasm provenance, takes back the proving ground seed selection; The salt solution pouring of 1% concentration is planted, uses first to the germplasm provenance of using the husky training of nutritive cube to collect in the greenhouse with grass blade;
(2) laboratory seed selection;
After 3 months the provenance of normal growth is chosen, entered small plot experiment; Afterwards, use the pouring of 2%-3% concentration seawater, 2 times per month, after 2 years, obtain 5 kinds; 5 kind residential quarters by normal maintenance work, by turf quality marking test, are selected the lawn species of best turf quality;
(3) grass blade breeding;
Before treating that the lawn florescence, length was planted afterwards, upwards wipe out the kind stem of 3-5CM from grass roots section and cultivate, described kind of stem should be under kind of the joint, will contain the part removal of seed and flower, and only the reservation rejecting is with the part of minor matters stem;
(4) become the level ground breeding;
Density artificial broadcast according to 3 square meters of 1 kilogram of plantation screws in soil 1cm with rotovator with grass blade again; In time water seawater, keep ground moistening, grass blade roots after 10 days, executes nitrate of lime or composite fertilizer once, the every square meter of 25 grams, afterwards every fertilising in 15 days once, two first quarter moon Cheng Ping;
(5) purification lawn;
The grass that to bloom and living seed-bearing grass are rejected;
(6) repeat (4) and go on foot expansion lawn area.
2. the choosing of the paspalum lawn of a kind of Salt And Alkali Tolerance according to claim 1 replants method, it is characterized in that: described soil is original beach saline-alkali soil, and its salt content is 1%.
3. the choosing of the paspalum lawn of a kind of Salt And Alkali Tolerance according to claim 1 replants method, it is characterized in that: the seawater salinity of watering in (4) step is greater than 3%.
4. the choosing of the paspalum lawn of a kind of Salt And Alkali Tolerance according to claim 1 replants method, and it is characterized in that: described lawn can be bred three to four times in 1 year, and a square meter is bred the 6-10 square meter.
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| CN 201210298371 CN102771303B (en) | 2012-08-21 | 2012-08-21 | Method for selecting and changing seeds of saline-alkali-resistant ditch millet lawn |
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| CN 201210298371 CN102771303B (en) | 2012-08-21 | 2012-08-21 | Method for selecting and changing seeds of saline-alkali-resistant ditch millet lawn |
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| CN102771303B true CN102771303B (en) | 2013-10-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104756696B (en) * | 2015-03-24 | 2017-12-15 | 河北省林业科学研究院 | A kind of breeding method for cultivating salt-tolerant plant |
| CN106467748A (en) * | 2016-08-30 | 2017-03-01 | 滁州市朝昱农业科技有限公司 | A kind of modification method in salt-soda soil |
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Effective date of registration: 20230616 Address after: 226500 No. 15 Jigang Road, Dingyan Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Nantong Yangtian Agricultural Technology Development Co.,Ltd. Address before: No. 68, Group 30, Zhaoming Village, Dingyan Town, Rugao City, Nantong City, Jiangsu Province 226521 Patentee before: JIANGSU HAIJING GARDEN DEVELOPMENT Co.,Ltd. |
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