CN104206196A - Method for improving adaptability of forestation plants in arid and semiarid areas - Google Patents
Method for improving adaptability of forestation plants in arid and semiarid areas Download PDFInfo
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- CN104206196A CN104206196A CN201310221127.1A CN201310221127A CN104206196A CN 104206196 A CN104206196 A CN 104206196A CN 201310221127 A CN201310221127 A CN 201310221127A CN 104206196 A CN104206196 A CN 104206196A
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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
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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Abstract
The invention discloses a method for improving adaptability of forestation plants in arid and semiarid areas. The method includes the following steps of preparing the triazole plant growth regulator diluent according to the practical requirements in the plant growing season, and applying the diluent with the concentration ranging from 50 ppm to 3000 ppm to plants through leaf surface spraying or applying the diluent with the concentration ranging from 0.1 g a.i/m<2> to 5.0 g a.i/m<2> on plants through soil circulating application or furrow application. By means of the method, plants can be dwarfed, the spatial structure can be changed, and the vegetation coverage can be increased; stems and branches can be prevented from extending, the leaf area is remarkably reduced, and the leaf biomass is increased; the root system density and vigor are improved, the root shoot ratio is increased, the evapotranspiration loss on the aboveground part is reduced, the utilization efficiency of moisture is improved, moisture and temperature stress is reduced, adaptability of plants is enhanced, and therefore ground surface wind erosion is reduced, and the wind prevention and sand fixation effects are achieved; the method has the advantages of being large in application field number, wide in application range, high in benefit, small in residual hazard, small in dosage and the like.
Description
Technical field
The invention belongs to ecological construction desertification control field, relate to one and utilize external source plant growth retardent to improve arid and semi-arid district Silvicultural adaptation method, to reach the object improving arid and semi-arid district vegetation coverage, control wind erosion.
Background technology
According to statistics, Chinese Arid&semi-arid area accounts for 1/2nd of area.It is one of the topmost factor of these regional economy of restriction, social development and improvement of the ecological environment that arid, water resource lack, and is also the key factor affecting development of the West Regions.Due to the impact of various natural cause (such as rainfall reduce, drought takes place frequently) and human factor (such as population increase, unreasonable exploitation etc.), some soils in arid and semi-arid district there occurs serious desertification in recent years.Desertification of land has become one of environmental problem paid much attention to both at home and abroad.The effective way prevented and controled desertification utilizes biological control measure and engineering measure, and the ecosystem of degeneration is recovered.In biological control measure, plant builds the important component of combined system of checking winds and fixing drifting sand, in revegetation with play central role in improving the ecological environment.Therefore, to carry out simply at these Arid&semi-arid area, revegetation construction quickly and efficiently, the drought-resistant ability and the adaptability that improve vegetation are key issues in the urgent need to address in ecological construction real work.
For improving woods grass survival rate and the storage rate of Arid&semi-arid area revegetation, related work person has carried out a large amount of pointed practices and research work, achieve many experiences and achievement, be mainly reflected in and apply various resisting drought saving water reforestation technique, as drought-enduring in introducing breeding or drought-resistant plant, use water-loss reducer, root-growing agent and solid water, overlay film or stalks mulching chad etc.
Above-mentioned research contents mainly reaches the object of revegetation by the Soil Moisture improving vegetation growth, early investment and final-period management all need more human and material resources; On the other hand, arid and semi-arid district vegetation type is limited, seed selection drought resistant plant variety, and the cycle is long, has high input, and these all poor with arid and semi-arid district manpowers, financial resource are incompatible.
Along with biochemical development, the invention of plant growth regulator provides the method overcome the above problems.Plant growth regulator by suppressing the biosynthesis of gibberellin, thus can suppress the growth of stem apex elongation zone cell, makes shortened internodes reach dwarfing effect.At present domestic and international to plant growth regulator crops, fruit tree, flowers, the effect on vegetables and application done to study widely, find that it has and delay plant growth, suppress stem branch to extend, make cane sturdy, promote branch, tiller, take root, become flower and setting, shorten petiole, reduce leaf area, thicken blade, make leaf look dark green, increase the content of leaf chlorophyll, protein and nucleic acid, improve photosynthetic rate, strengthen drought resistance and cold resistance, delay the multiple physiological effects such as plant senescence.
Namely the present invention on the basis of applying in above-mentioned field with reference to plant growth regulator, in arid and semi-arid district, by using triazole type plant growth regulator, makes dwarfing plants, changes steric configuration, thus improves vegetation cover degree, reduces earth's surface wind erosion.Meanwhile, change the Morphological and physiological characteristics of plant, increase root/shoot ratio, improve the ability of plant absorption moisture, weaken the transpiration loss of vegetation acrial part, improve water use efficiency, thus improve plant species to the adaptability in arid habitat, and then reach effect of checking winds and fixing drifting sand.
Summary of the invention
The object of the invention is, by changing phytomorph and physiological characteristic, to change plant space pattern of spatial distribution, increase vegetation cover degree, thus reduce rising evapotranspiration, strengthen water use efficiency, provide a kind of and improve the adaptive method of arid and semi-arid district Silvicultural.
Technical scheme of the present invention is achieved in that
A kind of adaptive method of raising arid and semi-arid district Silvicultural, it is characterized in that, at the Growing season of plant, the mode of employing foliage-spray is the triazole type plant growth regulator dilution of 50-3000ppm to plant application concentration, or adopt the mode of soil circulating application or ditch spread plant to be used to the full name of every square metre of 0.1-5.0g a.i.(a.i. for " active ingredient ", represent " active ingredient ") triazole type plant growth regulator.
Preferably, when using triazole type plant growth regulator dilution with the form of foliage-spray, by the blade of the whole plant of described triazole type plant growth regulator dilution spray on plants and stem to liquid for dripping not flowing.
Preferably, when using triazole type plant growth regulator with the form of soil circulating application, digging at surrounding plants plane with root system is the ring-type dressing furrow of the center of circle, diameter 15-20cm, dark 15-20cm, uses earthing after triazole type plant growth regulator, described ring-type dressing furrow crab rooting and do not hinder root.
The adaptive method tool of raising arid and semi-arid district Silvicultural of the present invention has the following advantages:
1. the present invention can dwarf plant, changes steric configuration, improves vegetation cover degree; Suppress stem branch to extend, significantly reduce leaf area, increase Leaf biomass; Improve root density and vigor, increase root/shoot ratio, reduce acrial part evapotranspiration loss, improve water use efficiency, reduce moisture, temperature stress, strengthen plant adaptability, thus reduce earth's surface wind erosion, reach effect of checking winds and fixing drifting sand.
2. the present invention select plant growth retardent have application many, act on wide, the feature such as high efficiency, residual hazard are few and consumption is little, also there is physiological function widely simultaneously.
Accompanying drawing explanation
Fig. 1 is the adaptive method flow diagram of raising arid and semi-arid district Silvicultural of the present invention.
Embodiment
Know to enable one of ordinary skill in the art and understand technical scheme of the present invention, existing in conjunction with the embodiments and accompanying drawing the invention will be further described.
As shown in Figure 1, the adaptive method of raising arid and semi-arid district Silvicultural of the present invention, comprises the following steps:
Step 1: select suitable Dressing date: plant growth season;
Step 2: according to actual needs, preparation triazole type plant growth regulator dilution;
Step 3: used in the mode of foliage-spray, soil circulating application or ditch spread within suitable period by the triazole type plant growth regulator dilution prepared in step 2, adopts the mode of foliage-spray to be the triazole type plant growth regulator dilution of 50-3000ppm to plant-spraying concentration range; Or adopt the mode of soil circulating application or ditch spread plant to be used to the triazole type plant growth regulator of every square metre of 0.1-5.0g a.i. (active ingredient).
Due to triazole type plant growth regulator by foliage-spray, soil circulating application or ditch spread three kinds of different approaches use the effect of plant growth regulating identical; Simultaneously, the regulating action of described triazole type plant growth regulator to plant growth is identical, therefore, the present invention selects triazole type plant growth regulator Profile*2SC to be administered on plant as specific embodiment is to illustrate the effect of the method for the invention in the mode of soil circulating application.
Particularly, for the carex meyeriana that Zuo Qilantai town, Alashan League, the Inner Mongol is domestic, selected representative land for growing field crops, as experimental field, is that object carries out outdoor research work with caragana microphylla.
After in optional test ground, to caragana microphylla, February, the triazole type plant growth regulator Profile*2SC of the different amounts of every square metre of 0.1-2.0g a.i. (active ingredient) was used in life, the impact of research caragana microphylla acrial part, root system, comprise that plant height, leading thread, biomass, root are long, root system surface area, the results are shown in Table 1, table 2, table 3.Analysis shows, soil circulating application plant growth retardent Profile*2SC has certain inhibitory action to the plant height of different seedling age caragana microphylla and ground biomass, and all has facilitation to leading thread and root length, root system surface area and root system volume.
Table 1 plant growth retardent (Profile*2SC) is on the impact of the caragana microphylla dried rhizome of rehmannia in February upper part
Table 2 plant growth retardent (Profile*2SC) to be taken root long impact on growth caragana microphylla February
Table 3 plant growth retardent (Profile*2SC) is on the impact of caragana microphylla raw root system surface area in February
The experimental data of table 1, table 2, table 3 shows: the present invention can dwarf plant, changes steric configuration, improves vegetation cover degree; Suppress stem branch to extend, significantly reduce leaf area, increase Leaf biomass; Improve root density and vigor, increase root/shoot ratio, reduce acrial part evapotranspiration loss, improve water use efficiency, reduce moisture, temperature stress, strengthen plant adaptability, thus reduce earth's surface wind erosion, reach effect of checking winds and fixing drifting sand; Have application many, act on wide, the feature such as high efficiency, residual hazard are few and consumption is little, also there is physiological function widely simultaneously.
Above embodiment illustrates technical scheme example of the present invention, and non exhaustive.To those skilled in the art, under the prerequisite not deviating from the principle of the invention, any apparent improvement done the present invention, replacement and modification, all belong to protection scope of the present invention.
Claims (3)
1. one kind is improved the adaptive method of arid and semi-arid district Silvicultural, it is characterized in that, at the Growing season of plant, the mode of employing foliage-spray is the triazole type plant growth regulator dilution of 50-3000ppm to plant application concentration, or adopts the mode of soil circulating application or ditch spread plant to be used to the triazole type plant growth regulator of every square metre of 0.1-5.0g a.i..
2. the adaptive method of raising arid and semi-arid district Silvicultural according to claim 1, it is characterized in that, when using triazole type plant growth regulator dilution with the form of foliage-spray, by the blade of the whole plant of described triazole type plant growth regulator dilution spray on plants and stem to liquid for dripping not flowing.
3. the adaptive method of raising arid and semi-arid district Silvicultural according to claim 1, it is characterized in that, when using triazole type plant growth regulator with the form of soil circulating application, digging at surrounding plants plane with root system is the ring-type dressing furrow of the center of circle, diameter 15-20cm, dark 15-20cm, use earthing after triazole type plant growth regulator, described ring-type dressing furrow crab rooting and do not hinder root.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310221127.1A CN104206196A (en) | 2013-06-05 | 2013-06-05 | Method for improving adaptability of forestation plants in arid and semiarid areas |
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| CN201310221127.1A CN104206196A (en) | 2013-06-05 | 2013-06-05 | Method for improving adaptability of forestation plants in arid and semiarid areas |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557154A (en) * | 2004-01-13 | 2004-12-29 | 四川省兰月科技开发公司 | Water-reserving drought control and resistance agent and its production method |
| WO2012130924A1 (en) * | 2011-03-31 | 2012-10-04 | Syngenta Limited | Plant growth regulation composition |
| WO2012167091A1 (en) * | 2011-06-03 | 2012-12-06 | Syngenta Participations Ag | Method of cultivation in water deficit conditions |
| CN103068241A (en) * | 2010-06-04 | 2013-04-24 | 先正达参股股份有限公司 | Plant irrigation methods |
-
2013
- 2013-06-05 CN CN201310221127.1A patent/CN104206196A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1557154A (en) * | 2004-01-13 | 2004-12-29 | 四川省兰月科技开发公司 | Water-reserving drought control and resistance agent and its production method |
| CN103068241A (en) * | 2010-06-04 | 2013-04-24 | 先正达参股股份有限公司 | Plant irrigation methods |
| WO2012130924A1 (en) * | 2011-03-31 | 2012-10-04 | Syngenta Limited | Plant growth regulation composition |
| WO2012167091A1 (en) * | 2011-06-03 | 2012-12-06 | Syngenta Participations Ag | Method of cultivation in water deficit conditions |
Non-Patent Citations (2)
| Title |
|---|
| 杨敏 等: "植物生长延缓剂对盆栽柠条根系形态的影响", 《内蒙古农业大学学报》, vol. 32, no. 2, 30 April 2011 (2011-04-30) * |
| 费玉良 等: "《科教兴农研究》", 30 June 1993, article "多效唑" * |
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Application publication date: 20141217 |
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