CN101536658A - Application of brassinosteroids to drought resistance and afforestation - Google Patents
Application of brassinosteroids to drought resistance and afforestation Download PDFInfo
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- CN101536658A CN101536658A CN200910021946A CN200910021946A CN101536658A CN 101536658 A CN101536658 A CN 101536658A CN 200910021946 A CN200910021946 A CN 200910021946A CN 200910021946 A CN200910021946 A CN 200910021946A CN 101536658 A CN101536658 A CN 101536658A
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- afforestation
- brassinosteroid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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Abstract
The invention relates to application of brassinosteroids to drought resistance and afforestation, which has simplicity, low cost, no soil pollution and quick effect and quite important and profound significance to accelerating vegetation to restore and reconstruct and improving the ecological environment. The invention comprises the following steps: (1) selecting the brassinosteroids with the weight percentage of 0.1 percent; (2) selecting an afforestation area; (3) selecting afforestation seasons from the last third of October to the last third of November in autumn and from the first third of March to the first third of April in spring; (4) selecting a land preparation method and specification: digging fish-scale pits on a sloping surface along a contour line, wherein the rows of the fish-scale pits are arrayed in a shape like the Chinese character 'pin', and the each fish-scale pit has a length of 60 cm, a width of 40 cm and a width of 40 cm; (5) determining afforestation tree species and seedling tree ages, wherein the afforestation tree species comprise pitch pines, biota orientalis, ansu apricots, prunus davidiana and hippophae rhamnoides, and annual seedling trees of the biota orientalis and other deciduous species are selected for the afforestation except that biennial seedling trees of the pitch pines are selected for the afforestation; (6) carrying out root-dip treatment of the brassinosteroids; and (7) planting the seedling trees.
Description
One, technical field:
The present invention relates to a kind of method for drought-resistant afforestation, especially relate to the application of a kind of brassinosteroid in drought resisting forestation, is the application method of brassinosteroid in arid and semi-arid lands, loess plateau drought resisting forestation specifically.
Two, background technology:
Arid and semi-arid lands, loess plateau vegetation rareness, severe water and soil erosion, the deterioration of the ecological environment has greatly influenced The development in society and economy.Since over half a century, carried out Vegetation Construction in order to improve the ecological environment and to promote socio-economic development, central and local government to drop into substantial contribution.Because loess plateau precipitation rareness and skewness, evaporation discharge is big, in addition underground water bury again very dark, do not have the plant absorbing of supply utilize may, soil moisture has become forest and has survived and grow main limiting factor.The key issue that loess plateau afforestation exists is that survival rate and storage rate are low.According to statistics, three during the last ten years, afforestation is preserved area and is only accounted for about the 15%-25% of the afforestation area summation same period, in recent years arid short of rain particularly, the soil moisture deficiency further descends survival rate, and quite a few regional survival rate is on average between 15%-30%, the sunny arid afforestation survival rate only about 15%, causes great waste to financial resources, man power and material.
In arid and semi-arid area, loess plateau, carried out some Test on Resistance Drought Afforestation in the past, for example, carry out afforestation experiment with water-loss reducer and solid carbon dioxide etc., result of study shows, adopts the water-loss reducer drought resisting forestation, survival rate has improved 10%-20%.But improper use easily causes water-loss reducer to become dry, and produce suck-back water phenomenon, and As time goes on, water-loss reducer water absorbing capacity in soil can reduce gradually even lose efficacy.The solid carbon dioxide drought resisting forestation costs an arm and a leg (each solid carbon dioxide bag expense is more than 20 times of every young plant wood), is difficult to use in arid and semi-arid lands's afforestation.At present, still find no the report that closes brassinosteroid drought resisting forestation technology both at home and abroad.
Three, summary of the invention:
The present invention provides the application of a kind of brassinosteroid in drought resisting forestation in order to solve the weak point in the above-mentioned background technology, and it is simple, cost is low, no soil pollution, instant effect, for quickening revegetation and reconstruction, improve the ecological environment, have very important and far-reaching meaning.
For achieving the above object, the technical solution used in the present invention is:
1, the application of a kind of brassinosteroid in drought resisting forestation.
2, the application of brassinosteroid according to claim 1 in drought resisting forestation is characterized in that may further comprise the steps:
(1) selecting percentage by weight for use is 0.1% brassinosteroid;
(2) selection of planting site: the deserted mountain barren hill of selecting arid and semi-arid is as planting site;
(3) planting season: late October-late November in autumn and early March-early April in spring;
(4) method of soil preparation and specification: contour digs the fish scale pit in domatic upper edge, arranges to be the isosceles triangle arrangement between the fish scale pit more, and specification is 60 * 40 * 40cm;
(5) reproducting tree species and nursery stock age: reproducting tree species comprise Chinese pine, arbor-vitae, ansu apricot, mountain peach, sea-buckthorn, and the nursery stock age, arbor-vitae and other deciduous species afforestation were all with 1 year living nursery stock except that Chinese pine is afforested with 2 years living seedlings;
(6) brassinosteroid dips in the root processing: the brassinosteroid that above-mentioned brassinosteroid is mixed with 0.1mg/l and 0.2mg/l with 50-60 ℃ warm water, with the brassinosteroid of 0.2mg/l concentration the root system of broad-leaved tree bareroot seedling was dipped in root 10 minutes, and afforest after the coniferous tree container seedling watered with the brassinosteroid of 0.1mg/l concentration;
(7) transplanted seedling tree: dig pit earlier before planting, will show soil and cubsoil and place respectively, put into nursery stock then, backfill table soil is upwards carried seedling gently, and soil is steady and sure, and earthing is steady and sure more again, covers one deck at last again and loosens the soil, and its thickness will surpass more than the nursery stock rhizosphere 3cm of place.
Compared with prior art, the advantage and the effect that have of the present invention is as follows:
The present invention is by after dipping in the root processing with brassinosteroid solution to the afforestation nursery stock; nursery stock leaf water content, proline content, soluble sugar content, protein content, protective enzyme (POD, SOD, CAT, APX) activity, photosynthetic rate and water use efficiency have been increased; cell leakage, mda content and the transpiration rate of nursery stock have been reduced; thereby strengthened the drought resistance of nursery stock; survival rate reaches more than 98%, has also promoted sapling up-growth.
Four, embodiment:
Technical scheme of the present invention is as follows:
1, the brassinosteroid of the present invention's use: the brassinosteroid that afforestation is used is that new Chaoyang, Chengdu biochemistry corporation,Ltd. produces " brassin lactones 481 ", its main component is extracted from plant pollen and derivative thereof, brassinosteroid content is 0.1% (percentage by weight), and registration mark is large rich SHUO FENG.
2, the selection of planting site: the deserted mountain barren hill of selecting arid and semi-arid is as planting site.
3, the planting season: autumn (late October-late November) and spring (early March-early April).
4, method of soil preparation and specification: contour digs the fish scale pit in domatic upper edge, arranges to be the isosceles triangle arrangement between the fish scale pit more, and specification is 60 * 40 * 40cm.This method of soil preparation amount of breaking ground is little, can protect the careless plant of original filling to exempt from destruction, can avoid producing new water and soil loss again.
5, reproducting tree species and nursery stock age: reproducting tree species mainly contain Chinese pine, arbor-vitae, ansu apricot, mountain peach, sea-buckthorn.The nursery stock age, arbor-vitae and other deciduous species afforestation all were advisable with 1 year living nursery stock except that Chinese pine is afforested with 2 years living seedlings.
6, brassinosteroid dips in root and handles: " brassin lactones 481 " is mixed with 0.05,0.1,0.2,0.3 and the brassinosteroid of 0.4mg/l with 50-60 ℃ of warm water, with the brassinosteroid of above-mentioned variable concentrations the root system of broad-leaved tree (ansu apricot, mountain peach, sea-buckthorn) bareroot seedling was dipped in root 10 minutes, and coniferous tree (Chinese pine, arbor-vitae) container seedling is afforested after watering.Result of the test shows that the optimum oil rape lactone concentration of suitable broad-leaved tree afforestation is 0.2mg/l, and the optium concentration of suitable coniferous tree afforestation is 0.1mg/l.
7, transplanted seedling tree: adopt the method for " three bury two step on the carry seedling " nursery stock of planting, accomplish " plant deeply, hit tight, root exhibition ".Specifically be to dig pit earlier before planting, will show soil and cubsoil and place respectively that put into nursery stock then, backfill table soil is upwards carried seedling gently, and soil is steady and sure, earthing is steady and sure more again, covers one deck at last again and loosens the soil, and its thickness will surpass more than the nursery stock rhizosphere 3cm of place.
Embodiment:
1, test region Natural situation: this test is located at the high tame Gulfstream territory that is located in the Ansai County, northern Shensi, and this ground is positioned at the innerland, loess plateau, belongs to gully district, typical beam loess hills shape hills, the semiarid continental monsoon climate in warm temperate zone.Mean sea level 1200m, annual precipitation 485.3mm, the border variation of rainfall year is greatly, skewness in year, the rainfall of the 7-9 month accounts for more than 60% of annual precipitation, and aridity is 1.5-2.5,8.8 ℃ of average annual temperature, average frost-free season 160d, a year total radiation is 552.68kJ/cm
2The MAIN SOILS type is a loessal soil.
2, afforestation area: 30hm
2
3, brassinosteroid is handled nursery stock and is planted: select local preferential species of tree Chinese pine, arbor-vitae, ansu apricot, sea-buckthorn, mountain peach.Afforestation the previous day, with 0.05,0.1,0.2,0.3, the brassinosteroid of 0.4mg/l waters processing to coniferous tree Chinese pine and arbor-vitae container seedling respectively, be advisable so that container is moistening; Broad-leaved tree is used bareroot seedling, behind the lifting, respectively locust tree, ansu apricot, sea-buckthorn, mountain peach seedling root is dipped in root 10 minutes with above-mentioned concentration, transports to planting site with wet piece of sack Bao Genhou then, does not handle nursery stock in contrast.Adopt the fish scale pit, specification is 60 * 40 * 40cm wholely.Adopt the tree planting method of " three bury two step on the carry seedling " nursery stock of planting, seeding row spacing is 2 * 2m.
4, afforestation effect
(1) survival rate
The man Gulfstream of height territory arid barren hill planted Chinese pine, arbor-vitae, ansu apricot, mountain peach and sea-buckthorn nursery stock.The survey showed that for survival rate, and after brassinosteroid was handled, each seeds survival rate was all apparently higher than contrast.Compared with the control, the Chinese pine survival rate has improved 10.6%-20.1%, and the arbor-vitae survival rate has improved 12.4%-19.6%, and the ansu apricot survival rate has improved 10.1%-18.5%, the mountain peach survival rate has improved 9.1%-18.1%, and the sea-buckthorn survival rate has improved 8.3%-17.1%.The optimum oil rape lactone concentration that the coniferous tree nursery stock is handled is 0.1mg/l, and survival rate is more than 98%, and the optium concentration that the broad-leaved tree nursery stock is handled is 0.20mg/l, and survival rate is more than 99% (table 1).
Table 1 brassinosteroid is handled the back survival rate
(2) sapling up-growth situation
The survey showed that in growth, and brassinosteroid is handled growth and the root system development that has promoted treelet.Compared with the control, the high growth fraction contrast of Chinese pine has improved more than 10.7%, and root system bar number has increased more than 14%; The high growth fraction contrast of arbor-vitae has improved more than 12.1%, and root system bar number has increased more than 15%; The comparison of ansu apricot shoot growth is according to having improved more than 11.3%, and root system bar number has increased more than 13%; The comparison of mountain peach shoot growth is according to having improved more than 12.5%, and root system bar number has increased more than 12%; The comparison of sea-buckthorn shoot growth is according to having improved more than 16.7%, and root system bar number has increased more than 14%.For growth, the optium concentration coniferous tree nursery stock that brassinosteroid is handled is 0.1mg/l, and the broad-leaved tree nursery stock is 0.20mg/l.
Claims (2)
1, the application of a kind of brassinosteroid in drought resisting forestation.
2, the application of brassinosteroid according to claim 1 in drought resisting forestation is characterized in that may further comprise the steps:
(1) selecting percentage by weight for use is 0.1% brassinosteroid;
(2) selection of planting site: the deserted mountain barren hill of selecting arid and semi-arid is as planting site;
(3) planting season: late October-late November in autumn and early March-early April in spring;
(4) method of soil preparation and specification: contour digs the fish scale pit in domatic upper edge, arranges to be the isosceles triangle arrangement between the fish scale pit more, and specification is 60 * 40 * 40cm;
(5) reproducting tree species and nursery stock age: reproducting tree species comprise Chinese pine, arbor-vitae, ansu apricot, mountain peach, sea-buckthorn, and the nursery stock age, arbor-vitae and other deciduous species afforestation were all with 1 year living nursery stock except that Chinese pine is afforested with 2 years living seedlings;
(6) brassinosteroid dips in the root processing: the brassinosteroid that above-mentioned brassinosteroid is mixed with 0.1mg/l, 0.2mg/l with 50-60 ℃ warm water, with the brassinosteroid of 0.2mg/l concentration the root system of broad-leaved tree bareroot seedling was dipped in root 10 minutes, and afforest after the coniferous tree container seedling watered with the brassinosteroid of 0.1mg/l concentration;
(7) transplanted seedling tree: dig pit earlier before planting, will show soil and cubsoil and place respectively, put into nursery stock then, backfill table soil is upwards carried seedling gently, and soil is steady and sure, and earthing is steady and sure more again, covers one deck at last again and loosens the soil, and its thickness will surpass more than the nursery stock rhizosphere 3cm of place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910021946A CN101536658A (en) | 2009-04-09 | 2009-04-09 | Application of brassinosteroids to drought resistance and afforestation |
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| CN200910021946A CN101536658A (en) | 2009-04-09 | 2009-04-09 | Application of brassinosteroids to drought resistance and afforestation |
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| CN101536658A true CN101536658A (en) | 2009-09-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889512A (en) * | 2010-07-09 | 2010-11-24 | 新疆农垦科学院 | Cutting seedling culture method of seabuckthorn tender branches in severe cold area and special seedling culture substrate |
| CN104381035A (en) * | 2014-10-28 | 2015-03-04 | 西北农林科技大学 | Application of brassinolide in increasing stress resistance of tree plant on stress environment |
| CN108849984A (en) * | 2018-07-19 | 2018-11-23 | 山东祥维斯生物科技股份有限公司 | A kind of drought-enduring degeneration-resistant composite regulator of wheat and its application |
| CN110622644A (en) * | 2019-10-23 | 2019-12-31 | 承德宇航人高山植物应用技术有限责任公司 | Configuration of wild goose type fish scale pit water collecting measure in arid region |
| CN110981593A (en) * | 2019-12-25 | 2020-04-10 | 潍坊科技学院 | Vegetable high-temperature stress regulation and control mixture and application method thereof |
| CN112544324A (en) * | 2020-12-04 | 2021-03-26 | 北京星河园林景观工程有限公司 | Ecological afforestation method suitable for semi-bare rock mountain land |
-
2009
- 2009-04-09 CN CN200910021946A patent/CN101536658A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889512A (en) * | 2010-07-09 | 2010-11-24 | 新疆农垦科学院 | Cutting seedling culture method of seabuckthorn tender branches in severe cold area and special seedling culture substrate |
| CN101889512B (en) * | 2010-07-09 | 2012-08-22 | 新疆农垦科学院 | Cutting seedling culture method of seabuckthorn tender branches in severe cold area and special seedling culture substrate |
| CN104381035A (en) * | 2014-10-28 | 2015-03-04 | 西北农林科技大学 | Application of brassinolide in increasing stress resistance of tree plant on stress environment |
| CN108849984A (en) * | 2018-07-19 | 2018-11-23 | 山东祥维斯生物科技股份有限公司 | A kind of drought-enduring degeneration-resistant composite regulator of wheat and its application |
| CN108849984B (en) * | 2018-07-19 | 2021-01-08 | 山东祥维斯生物科技股份有限公司 | Wheat drought-tolerance stress-tolerance compound regulator and application thereof |
| CN110622644A (en) * | 2019-10-23 | 2019-12-31 | 承德宇航人高山植物应用技术有限责任公司 | Configuration of wild goose type fish scale pit water collecting measure in arid region |
| CN110622644B (en) * | 2019-10-23 | 2022-06-17 | 承德宇航人高山植物应用技术有限责任公司 | Configuration of wild goose type fish scale pit water collecting measure in arid region |
| CN110981593A (en) * | 2019-12-25 | 2020-04-10 | 潍坊科技学院 | Vegetable high-temperature stress regulation and control mixture and application method thereof |
| CN112544324A (en) * | 2020-12-04 | 2021-03-26 | 北京星河园林景观工程有限公司 | Ecological afforestation method suitable for semi-bare rock mountain land |
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Open date: 20090923 |