A method for promoting in-situ seed germination in the field of maowusu sandy land

Abstract

The application discloses a method for promoting in-situ germination of seeds in a field of the Maowusu sandy land, and belongs to the technical field of seed germination, and specifically comprises the following steps: spraying a promoting agent on a spike of a plant, so that the promoting agent is wrapped on a seed surface of the spike, and seed treatment in the field of the Maowusu sandy land is completed. The method is simple and convenient to operate, the sprayed promoting agent can keep the seeds active in the field environment of the Maowusu sandy land, break seed dormancy in spring, provide suitable moisture conditions for the seeds to promote germination, and realize in-situ germination of the seeds in the field of the Maowusu sandy land.

Description

Technical Field

[0001] This invention relates to the field of in-situ seed germination technology, and in particular to a method for promoting in-situ seed germination in the Mu Us Desert. Background Technology

[0002] The Mu Us Desert is one of my country's four major deserts, located in the transition zone between arid and semi-arid climates. It has harsh natural conditions, with an average annual temperature of 6-8℃ and winter temperatures dropping as low as -9.5℃. Rainfall is low, concentrated mainly from July to September, with little rain in winter and spring. It is windy, sunny, and has high evaporation rates. The soil is aeolian sandy soil and chestnut calcareous soil, with poor water retention. The ecosystem is relatively fragile, making it a key area for desertification control in my country. Vegetation establishment is one of the important means of ecological restoration and reconstruction in the Mu Us Desert and an effective measure to prevent soil desertification.

[0003] Currently, vegetation establishment in the Mu Us Desert mainly relies on artificial planting to increase vegetation coverage and achieve windbreak and sand fixation. However, due to the geographical conditions and climate of the Mu Us Desert, rainfall is followed by rapid evaporation, and frequent wet-dry cycles deplete the nutrients stored in the seeds, reducing seed viability. Furthermore, low spring rainfall and arid conditions are unfavorable for seed germination, resulting in extremely low natural germination rates in the wild, slow natural vegetation regeneration, poor sustainability, and excessive reliance on artificial planting, leading to slow ecological restoration and significant waste of germplasm resources. Therefore, seed treatment in the Mu Us Desert can promote germination in the wild, thereby accelerating ecological restoration. Existing techniques involve collecting wild seeds, coating or pre-germinating them before sowing them back in the local area to improve germination rates. However, this process is cumbersome, labor-intensive, and artificially pre-germinated seeds have poor adaptability to harsh environments, making seedling transplanting difficult and resulting in low survival rates. Therefore, there is an urgent need for a new method to promote the germination of wild seeds in the Mu Us Desert, reduce the difficulty of operation, promote vegetation regeneration, improve the sustainability of vegetation establishment, and accelerate the speed of ecological restoration. Summary of the Invention

[0004] Therefore, the purpose of this invention is to provide a method for promoting in-situ germination of wild seeds in the Mu Us Desert, solving the problems of poor natural succession and difficulty in natural germination of wild seeds in the Mu Us Desert due to reliance on artificial sowing.

[0005] The present invention solves the above-mentioned technical problems through the following technical means:

[0006] Focus on the management of plants in the Mu Us Desert that need to undergo natural succession. After the plant spikes have set, observe the color of the fruit. Spray the spikes with a growth promoter once a week before the fruit matures. After the spraying is complete, complete the wild seed treatment in the Mu Us Desert and wait for it to spread naturally.

[0007] Furthermore, the method is applicable to plants with caryopsis seeds, specifically one or more of Artemisia argyi, Poa scoparia, Poa annua, and Setaria viridis.

[0008] Furthermore, the amount of the promoter sprayed is 3-4 g / ear.

[0009] Furthermore, the raw materials for the accelerator include castor oil, sodium lauryl sulfate, carboxymethyl cellulose, sodium lignosulfonate, calcium chloride, gibberellin, and sodium benzoate.

[0010] Furthermore, the preparation method of the accelerator is as follows:

[0011] S1: Mix castor oil and sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0012] S2: Add carboxymethyl cellulose and sodium lignosulfonate to deionized water and mix well. Then add calcium chloride, gibberellin and sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0013] S3: Add the mixed oil phase solution to the aqueous phase solution under stirring, and stir for 1-1.2 hours to obtain the accelerator.

[0014] Furthermore, the mass ratio of castor oil to sodium dodecyl sulfate in S1 is (4-5):1.

[0015] Furthermore, the mass ratio of carboxymethyl cellulose, sodium lignosulfonate, calcium chloride, gibberellin, sodium benzoate and deionized water in S2 is (2-2.5):1:0.3:0.1:0.1:95.

[0016] Furthermore, the mass ratio of the mixed oil phase solution to the aqueous phase solution in S3 is 1:3.

[0017] Furthermore, the stirring speed in S3 is 2000-2500 rpm.

[0018] Seed germination requires breaking dormancy and suitable moisture and temperature conditions. However, the Mu Us Desert is arid with little rainfall, high evaporation, and poor soil water retention, making natural seed germination difficult. Therefore, this invention provides a germination promoter that is sprayed onto the spike of the plant when the seeds are mature but not yet detached, encapsulating the seeds. Gibberellin breaks seed dormancy, and carboxymethyl cellulose absorbs and retains water, providing a suitable moisture environment for the seeds, thus promoting germination. However, this germination promoter is applied during the fruit ripening period, typically in autumn. Direct stimulation with gibberellin at this time can cause seeds to rapidly break dormancy and germinate. The resulting seedlings are tender and difficult to survive the harsh winters of the Mu Us Desert, leading to a reduction in the number of germinating seeds in spring and hindering natural vegetation regeneration. Therefore, this invention adds castor oil, sodium dodecyl sulfate, and calcium chloride to the accelerator to prepare a uniform emulsion. The emulsifier, sodium dodecyl sulfate, is sensitive to calcium ions and is relatively stable at low concentrations of calcium ions. However, at high concentrations of calcium ions, it reacts with calcium ions to form a precipitate and loses its emulsifying effect. After the accelerator of this invention is sprayed in the windy and arid environment of the Mu Us Desert, the water evaporates rapidly, and the concentration of calcium chloride in the accelerator increases, which promotes the demulsification and oil-water separation of the accelerator emulsion. The castor oil in the oil phase extends and coats the hydrophobic seed surface to form an oil film. The substances in the aqueous phase adhere to the surface of the oil film. The oil film separates the gibberellin in the aqueous phase from the seed epidermis, slowing down the penetration rate of gibberellin. At the same time, it works synergistically with the glume to significantly reduce the diffusion rate of gibberellin to the seed coat, preventing the seeds from breaking dormancy and germinating prematurely. Meanwhile, this invention also adds sodium lignosulfonate and sodium benzoate to the accelerator. Sodium lignosulfonate can introduce hydrophobic groups into the water-absorbing and water-retaining network structure of carboxymethyl cellulose, preventing excessive water absorption by carboxymethyl cellulose from causing seed swelling or rotting. It also improves the water resistance and water retention of carboxymethyl cellulose, reduces the rate of water evaporation, and thus reduces the frequency of wet-dry cycles in the Mu Us Desert, maintaining seed activity and further improving seed germination rate. Sodium benzoate has an antiseptic effect, preventing the accelerator from being degraded by microorganisms prematurely and ensuring the duration of the accelerator's effect.

[0019] The raw materials used in the accelerator of this invention are all non-biologically toxic materials, and their use will not cause pollution or damage to the environment of the Mu Us Desert.

[0020] Beneficial effects:

[0021] This invention allows for direct application of the accelerator to the seed spike, eliminating the need for additional seed treatment. Seed treatment can be completed before the seeds detach from the parent plant, simplifying the process. After application, the accelerator prepared by this invention undergoes demulsification due to evaporation in the Mu Us Desert environment. The separated oil phase rapidly spreads and coats the hydrophobic seed surface, while the aqueous phase adheres to the oil film surface. This reduces the rate of water evaporation from the seed surface, decreases the frequency of seed wet-dry cycles, and maintains seed viability. Simultaneously, it provides moisture and gibberellin to stimulate seed germination, enabling in-situ germination of wild seeds in the Mu Us Desert, promoting natural vegetation succession, and thus accelerating the ecological restoration of the Mu Us Desert. Attached Figure Description

[0022] Figure 1 : Sand sedge plants in the Mu Us Desert. Detailed Implementation

[0023] The present invention will now be described in detail with reference to specific embodiments and accompanying drawings:

[0024] Example 1:

[0025] Preparation of accelerators:

[0026] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0027] S2: Add 2g of carboxymethyl cellulose and 1g of sodium lignosulfonate to 95g of deionized water and stir until homogeneous. Then add 0.3g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0028] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0029] Example 2:

[0030] Preparation of accelerators:

[0031] S1: Mix 25g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0032] S2: Add 2.5g of carboxymethyl cellulose and 1g of sodium lignosulfonate to 95g of deionized water and mix well. Then add 0.3g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0033] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2500rpm, and continue stirring at 2500rpm for 1.2h to obtain the accelerator.

[0034] Comparative Example 1:

[0035] Compared with the accelerator of Example 1, the only difference is the emulsifier used in the accelerator of Comparative Example 1. Specifically, this comparative example uses Tween 80 as the emulsifier, and the specific preparation method is as follows:

[0036] Preparation of accelerators:

[0037] S1: Mix 20g castor oil and 5g Tween 80 evenly to obtain a mixed oil phase solution;

[0038] Steps S2 and S3 are the same as in Example 1.

[0039] Comparative Example 2:

[0040] Compared with the accelerator of Example 1, the only difference is that calcium chloride is not added to the accelerator of Comparative Example 2. The specific preparation method is as follows:

[0041] Preparation of accelerators:

[0042] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0043] S2: Add 2g of carboxymethyl cellulose and 1g of sodium lignosulfonate to 95g of deionized water and stir until homogeneous. Then add 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0044] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0045] Comparative Example 3:

[0046] Compared with the accelerator in Example 1, the only difference is that the amount of calcium chloride in the accelerator of Comparative Example 3 is increased. The specific preparation method is as follows:

[0047] Preparation of accelerators:

[0048] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0049] S2: Add 2g of carboxymethyl cellulose and 1g of sodium lignosulfonate to 95g of deionized water and stir until homogeneous. Then add 0.5g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0050] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0051] Comparative Example 4:

[0052] Compared with the accelerator in Example 1, the only difference is that the amount of calcium chloride in the accelerator of Comparative Example 4 is reduced. The specific preparation method is as follows:

[0053] Preparation of accelerators:

[0054] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0055] S2: Add 2g of carboxymethyl cellulose and 1g of sodium lignosulfonate to 95g of tap water and mix well. Then add 0.1g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0056] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0057] Comparative Example 5:

[0058] Compared with the accelerator of Example 1, the only difference is that the accelerator of Comparative Example 5 does not use carboxymethyl cellulose, but uses sodium alginate. The specific preparation method is as follows:

[0059] Preparation of accelerators:

[0060] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0061] S2: Add 2g sodium alginate and 1g sodium lignosulfonate to 95g deionized water and mix well. Then add 0.3g calcium chloride, 0.1g gibberellin and 0.1g sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0062] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0063] Comparative Example 6:

[0064] Compared with Example 1, the only difference is that the accelerator in Comparative Example 6 is not prepared as an emulsion. The specific preparation method is as follows:

[0065] Add 2g of carboxymethyl cellulose and 1g of sodium lignosulfonate to 95g of deionized water and mix well. Then add 0.3g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain the accelerator.

[0066] Comparative Example 7:

[0067] Compared with Example 1, the only difference is that sodium lignosulfonate was not added to the accelerator in Comparative Example 7. The specific preparation method is as follows:

[0068] Preparation of accelerators:

[0069] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0070] S2: Add 2g of carboxymethyl cellulose to 95g of deionized water and mix well. Then add 0.3g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0071] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0072] Comparative Example 8:

[0073] Compared with Example 1, the only difference is that the amount of sodium lignosulfonate in the accelerator of Comparative Example 8 is increased. The specific preparation method is as follows:

[0074] Preparation of accelerators:

[0075] S1: Mix 20g castor oil and 5g sodium dodecyl sulfate evenly to obtain a mixed oil phase solution;

[0076] S2: Add 2g of carboxymethyl cellulose and 2g of sodium lignosulfonate to 95g of deionized water and stir until homogeneous. Then add 0.3g of calcium chloride, 0.1g of gibberellin and 0.1g of sodium benzoate and stir to dissolve to obtain an aqueous solution.

[0077] S3: Add 25g of mixed oil phase solution to 75g of aqueous phase solution at a stirring speed of 2000rpm, and continue stirring at 2000rpm for 1h to obtain the accelerator.

[0078] Example 3:

[0079] Focus on the management of plants in the Mu Us Desert that need to undergo natural succession. After the plant spikes have set, observe the color of the fruit. One week before the fruit matures, spray the spikes with a growth promoter at a rate of 4g / spike. After spraying, complete the wild seed treatment in the Mu Us Desert and wait for them to spread naturally.

[0080] experiment:

[0081] In mid-October 2024, one-year-old *Ligustrum lucidum* plants with similar growth were selected from the Mu Us Desert in northern Yulin for an experiment. Three *Ligustrum lucidum* plants were selected for each group, and the plants were spaced more than 2 meters apart.

[0082] Observe the color of the spikelet of *Sargassum fusiforme*. On October 21, 2024, spray the spikelet of the plant with a growth promoter. At this time, the pericarp of the *Sargassum fusiforme* seeds hardens and the fruit turns slightly yellow, which is about one week before the seeds mature. The amount of growth promoter sprayed is 4g / spike. After the spraying is completed, the field seed treatment in the Mu Us Desert is finished.

[0083] Experimental Group 1: The plants of *Spathiphyllum* were treated using the methods described in the above experiment, and the accelerator prepared in Example 1 was used.

[0084] Control groups 1-8: The plants of *Symplocos salsa* were treated using the methods described in the above experiment, and the accelerators prepared in control groups 1-8 were used respectively.

[0085] Control group 9: The accelerator was sprayed when the pericarp of the sand elm seeds began to harden and the fruit color turned green, which was about 2 weeks before the sand elm seeds matured. The accelerator prepared in Example 1 was used.

[0086] Control group 10: No accelerator used.

[0087] After treatment, the plants of each group were covered with gauze and the seeds that fell from the plants were collected. After the seeds were collected, 100 uniform and plump seeds of each group were randomly selected and sown directly in the Mu Us Desert on November 5. The blank control consisted of seeds of *Sophora indica* that were not treated with accelerators but treated with 100 mg / L gibberellin and sown in the sandy land on April 6, 2025. Each group was repeated 3 times.

[0088] The natural germination of seeds collected from each group was observed, and the initial germination date of each group was recorded. The germination rate of seeds in each group was calculated in mid-May 2025. The survival rate of *Sophora flavescens* plants in each group was calculated in late August 2025. The results are shown in Table 1.

[0089] Average germination rate (%) = Σ(number of germinated seeds / number of seeds sown × 100%) / 3;

[0090] Average survival rate (%) = Σ(number of surviving plants / number of germinated seeds × 100%) / 3.

[0091] Table 1

[0092]

[0093] Analysis of the data in Table 1 shows that:

[0094] 1. The initial germination time of seeds in experimental group 1 was similar to that of the control group, indicating that the promoter prepared in this invention has a long-term effect and promotes seed germination in spring. At the same time, the seed germination rate and plant survival rate of the treated seeds in experimental group 1 were high, indicating that the promoter prepared in this invention can improve seed germination rate and seedling quality, promote seedling survival after transplanting, and thus accelerate the ecological restoration of the Mu Us Desert.

[0095] 2. Compared with experimental group 1, the accelerator used in control group 1 used Tween 80 as an emulsifier. Tween 80 has stable emulsifying properties and is not affected by calcium ion concentration. The accelerator in control group 2 does not contain calcium chloride, and the prepared accelerator has a stable emulsion state without the action of high concentrations of calcium ions. The accelerator used in control group 4 has a reduced amount of calcium chloride. The calcium ion concentration in the accelerator can only reach a high level when the water content is extremely low. The accelerator solidifies into a film when the water content is extremely low, and the state is stable and difficult to break the emulsion. The accelerator used in control group 5 uses sodium alginate instead of carboxymethyl cellulose. Sodium alginate cross-links with calcium chloride, and the accelerator does not contain free calcium ions, so it will not break the emulsion after water evaporation. Therefore, the accelerators of control groups 1, 2, 4, and 5 maintain the emulsion state on the seeds after spraying and drying. The film adhered poorly to the seed surface and was easily detached by the strong winds of the Mu Us Desert, thus losing its germination-promoting effect and resulting in a low germination rate and a decreased plant survival rate. In contrast, the increased calcium chloride content in the accelerator of control group 3 prevented the formation of a uniform emulsion due to the excessively high calcium ion concentration. After spraying, the aqueous solution directly contacted the seeds, causing them to break dormancy and germinate prematurely. The germinated seedlings were unable to survive the harsh winter conditions, resulting in a low survival rate. In contrast, the accelerator of control group 6 was not prepared into an emulsion. After spraying, the gibberellin directly contacted the seed coat and penetrated into the seed, breaking dormancy and causing premature germination. However, the temperature was low at this time, resulting in a low germination rate. Furthermore, the young seedlings had a high mortality rate in the low winter temperatures of the Mu Us Desert, resulting in fewer surviving plants and a low average survival rate.

[0096] 3. Sodium lignosulfonate can introduce hydrophobic groups into the network structure of carboxymethyl cellulose, reducing the water absorption rate of carboxymethyl cellulose and improving its water resistance and water retention. In contrast, the accelerator used in control group 7 did not contain sodium lignosulfonate. After the accelerator was used, the water absorption rate of carboxymethyl cellulose in the aqueous phase was high. During rainfall, it was easy to absorb a large amount of water quickly, causing seed swelling and initiation of germination. At the same time, the water retention of carboxymethyl cellulose was low. After the rainfall, the water would evaporate quickly in the strong winds of the Mu Us Desert, terminating seed germination. The nutrients in the seeds were consumed in the frequent wet-dry cycles, reducing their activity. Therefore, the germination rate was low, the seedling quality was poor, and the survival rate was low. In control group 8, the amount of sodium lignosulfonate used in the accelerator was increased, and more hydrophobic groups were introduced, resulting in a decrease in the water absorption effect of the accelerator. It could not provide sufficient water to the seeds during germination, resulting in a low germination rate, weak seedlings, and a low survival rate.

[0097] 4. In control group 9, the seeds of *Potentilla chinensis* were sprayed with a growth promoter two weeks before maturity. At this time, the seeds were not yet mature. After the growth promoter was sprayed, the immature seeds were covered with an oil film, which affected the water evaporation and respiration of the seeds, resulting in poor seed quality and low germination rate and plant survival rate after sowing. In control group 10, no growth promoter was used. After sowing, the seeds experienced frequent wet and dry cycles in the Mu Us Desert, resulting in decreased activity and a low germination rate. During germination, the lack of water resulted in weak seedlings with a low survival rate.

[0098] 5. The blank control group used existing technology to treat seeds that had not been treated with accelerators with gibberellin in spring and then sowed them. The germination rate was high, but due to the lack of water, the quality of the seedlings was poor. They were difficult to plant in the arid environment of the Mu Us Desert, and the number of surviving plants was low.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A method for promoting in-situ germination of wild seeds in the Mu Us Desert, characterized in that, The method is as follows: Focus on the management of plants in the Mu Us Desert that need to undergo natural succession. Spray the spikelet of the plant with a growth promoter once a week before the fruit matures. After the spraying is completed, complete the wild seed treatment in the Mu Us Desert and wait for it to spread naturally.

2. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 1, characterized in that, The raw materials for the accelerator include castor oil, sodium dodecyl sulfate, carboxymethyl cellulose, sodium lignosulfonate, calcium chloride, gibberellin, and sodium benzoate.

3. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 2, characterized in that, The preparation method of the accelerator is as follows: S1: Mix castor oil and sodium dodecyl sulfate evenly to obtain a mixed oil phase solution; S2: Add carboxymethyl cellulose and sodium lignosulfonate to deionized water and mix well. Then add calcium chloride, gibberellin and sodium benzoate and stir to dissolve to obtain an aqueous solution. S3: Add the mixed oil phase solution to the aqueous phase solution under stirring, and stir for 1-1.2 hours to obtain the accelerator.

4. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 3, characterized in that, The mass ratio of castor oil to sodium dodecyl sulfate in S1 is (4-5):

1.

5. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 4, characterized in that, The mass ratio of carboxymethyl cellulose, sodium lignosulfonate, calcium chloride, gibberellin, sodium benzoate and deionized water in S2 is (2-2.5):1:0.3:0.1:0.1:

95.

6. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 5, characterized in that, The mass ratio of the mixed oil phase solution to the aqueous phase solution in S3 is 1:

3.

7. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 6, characterized in that, The stirring speed in S3 is 2000-2500 rpm.

8. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 7, characterized in that, The method is applicable to plants with caryopsis seeds, specifically one or more of Artemisia argyi, Poa scoparia, Poa annua, and Setaria viridis.

9. The method for promoting in-situ germination of wild seeds in the Mu Us Desert as described in claim 8, characterized in that, The amount of the promoter sprayed is 3-4g / ear.

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