CN110800542B - Seedling raising method for artemisia scoparia - Google Patents
Seedling raising method for artemisia scoparia Download PDFInfo
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- CN110800542B CN110800542B CN201911209259.6A CN201911209259A CN110800542B CN 110800542 B CN110800542 B CN 110800542B CN 201911209259 A CN201911209259 A CN 201911209259A CN 110800542 B CN110800542 B CN 110800542B
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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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
- A01G13/00—Protecting plants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
Abstract
The invention aims to solve the defects of low seed germination rate, high seedling deformity rate and the like in the seed propagation technology of artemisia selengensis in the prior art, and provides a artemisia selengensis seedling culture method which is simple and easy to operate and has large-scale popularization and application. On one hand, the method mixes the artemisia selengensis seeds with specific raw materials such as coarse sand, urea, decomposed farmyard manure and the like in the sowing process, and makes full use of mutual interaction; on the other hand, the addition and the proportion of various raw materials are strictly controlled within a proper range, so that the raw materials play the best synergistic effect, and the effects of improving the germination rate of the seeds of the artemisia selengensis and reducing the abnormal rate of seedlings are achieved. Finally, the carbendazim wettable powder and the Bordeaux mixture are adopted in sequence to carry out simple spraying post-treatment operation, so that the effects of improving the germination rate of the seeds of the artemisia selengensis and reducing the abnormal rate of the seedlings are further achieved, and better economic benefit and ecological benefit are achieved.
Description
Technical Field
The invention belongs to the technical field of seedling breeding, and particularly relates to a seedling raising method of artemisia selengensis.
Background
The distribution range of the artemisia selengensis, also called artemisia desertorum, artemisia oleosa and artemisia Ordosa spans 3 natural zones of typical grassland, deserted grassland and grassland desertification. According to the investigation of the northwest institute of water and soil conservation and biological soil, the distribution area of the artemisia desertorum in the northwest region and the west region of inner Mongolia reaches 37500 ten thousand mu.
The artemisia selengensis can blossom and fruit in 2-3 years of growth generally, and also can blossom and fruit in the same year. The 4-7 years old is the breeding period, the life is generally 10 years, and the maximum can reach 15 years. The soil has developed root systems, the main roots are generally pricked to the depth of 1-2 meters, and the lateral roots are distributed in a soil layer with the depth of about 50 centimeters. According to investigation, the natural 12-year-old artemisia rupestris L has the overground part height of 90 cm, the crown width of 170 cm, the root depth of 350 cm and the root width of 920 cm, lateral roots are densely distributed in a sand layer of 0-130 cm, and the artemisia rupestris L has certain regeneration and plasticity. Widely distributed on arid and semiarid sandy loam, and can grow on fixed or semifixed sand dunes or sand-covered beam lands and gravel lands. The drought resistance is strong. The measurements made in Ministry of Gansu show that the transpiration intensity is 580 mg per square centimeter per hour (fresh weight) and the inner Mongolian stirrup opening is 429 mg per square centimeter per hour. The thickness of the cutin layer of the artemisia selengensis is 0.63 mm, is more than 1 time thicker than that of the caragana microphylla and astragalus ramosissimus, and air holes sink to inhibit water transpiration, so that the artemisia selengensis can grow on a moving dune with extremely little water (the water content is 2-4%) and insufficient nutrients (the total nitrogen is 0.02-0.03%). It has strong cold resistance. The inner Mongolia Ordos plateau with the temperature reaching minus 30 ℃ can safely pass winter in winter.
The feeding value is as follows: artemisia sphaerocephala is the main forage grass of camels. Because it contains volatile substances, it has a strong and bitter taste and poor palatability, and is not generally eaten by other domestic animals except camels. However, in case of forage grass shortage, such as early spring, goats and sheep also feed. The oil content of the artemisia sphaerocephala seeds is high and is about 27.4% of the dry weight, and the artemisia sphaerocephala seeds can be used for preparing paint. In addition, they can also be used as drugs. Its root can stop bleeding, stem, leaf and flower bud have effects of clearing heat, dispelling pathogenic wind, removing dampness, and drawing out pus, and its seed has diuretic effect. According to the investigation of the research institute of soil and water conservation biology and soil in northwest, the sand sagebrush resource in the west areas of northwest and inner Mongolia is very abundant. The artemisia oil is extracted from the seeds of artemisia desertorum, the oil yield can reach 15 percent by a cold pressing method, and the oil yield can reach 12.71 percent by a supercritical CO2 extraction method. Due to the rich vitamin E, the artemisia selengensis is an ideal plant raw material resource for producing functional health-care food, cosmetics and medicines. The linoleic acid in Artemisia ordosica oil. The artemisia selengensis oil contains rich linoleic acid. Foreign research shows that linoleic acid has certain efficacy for preventing and assisting in treating heart disease, arteriosclerosis, obesity and diabetes. Immunology experiments prove that the lipid concentration in blood is closely related to atherosclerosis, and the intake of linoleic acid can reduce the lipid concentration in blood, and can also reduce the cholesterol content in blood, thereby preventing atherosclerosis. The function of vitamin E in sargassum oil. Vitamin E has functions of resisting infecundity, preventing premature labor, testis atrophy and viscera aging. Vitamin E has effects of delaying aging, enhancing immunity, resisting cancer, and preventing scald and infection. Artemisia desertorum gum is used as thickener, dough regulator, water retention agent, stabilizer, film forming agent and gelling agent. The artemisia glue has strong water absorption and swelling capacity, forms a sticky and greasy gel in water, has good water retention and film forming properties, and can obviously improve the ductility and strengthen the muscle and tendon in the dough and the batter of grains, coarse cereals and the like.
As the artemisia selengensis is a native plant which is resistant to wind erosion and sand burying, drought resistance, barren resistance, fast growth at the early stage, developed root system, good wind prevention and sand fixation effects and has certain economic benefits, the artemisia selengensis should be vigorously popularized and planted in desert areas, and the aims of recovering vegetation, preventing wind and fixing sand, treating desertification and providing feed are achieved by combining seal cultivation. Meanwhile, abundant natural resources can be provided for medicine, industry and other fields.
The artemisia selengensis propagation is divided into two types of seed propagation and vegetative propagation, wherein the vegetative propagation mainly comprises cutting propagation and grafting technology which is applied in recent years. A broadcast sowing method. And (4) sowing the seeds in windless days for 2-3 times until the seeds are uniformly scattered. Then a rake is used for vertically raking twice, and then water is sprayed. Covering the quicksand with a shading net, and removing after seedlings come out. Direct seeding and planting: the method is suitable for the area with annual precipitation above 200 mm. The method for planting artemisia sphaerocephala by using inner Mongolia Ordos herdsman comprises 2 methods: firstly, sowing seeds in a selected land parcel, and then driving a flock to trample; the other method is that after the bottom of the barrel is provided with a hole by using a can barrel, the black sand sagebrush is hung on the neck of the sheep and sowed along with the walking of the sheep. Cutting and planting early spring and late autumn, cutting 2-3 years old Artemisia sphaerocephala branches, the length is 40-80 cm, 10-20 plants are planted in each hole at the lower part of a flowing sand dune windward slope, the length of the branches is 5-20 cm, the survival rate can reach 60% -90%, and the survival rate of planting in autumn is high.
The artemisia selengensis seeds have the advantages of easiness in collection and storage, high emergence rate and the like, and the integrity of the artemisia selengensis population is maintained in a long-time scale, so that the popularization of a seed propagation technology has important significance. The ditching and sowing method is simple and easy to implement, can reduce the seedling distortion rate on the basis of ensuring the seed germination rate, and has a large-scale popularization and application prospect. Therefore, the method for raising the seedlings of the artemisia selengensis, which has high germination rate and low seedling deformity rate and is suitable for large-scale popularization and application, has important significance.
Disclosure of Invention
The invention provides a artemisia selengensis seed seedling method which is simple and easy to operate, suitable for large-scale popularization and application, and has high germination rate of artemisia selengensis seeds and low seedling distortion rate, aiming at solving the defects of low seed germination rate, high seedling distortion rate and the like of the artemisia selengensis seed propagation technology in the prior art.
On one hand, the artemisia selengensis seeds are mixed with specific raw materials such as coarse sand, urea, decomposed farmyard manure and the like in the sowing process, interaction between the seeds is fully utilized, the germination rate of the artemisia selengensis seeds is improved to a certain extent, and the seedling deformity rate is reduced; on the other hand, the addition and proportion of various raw materials are strictly controlled within a proper range, so that the raw materials mutually play an optimal synergistic effect, and the effects of improving the germination rate of the seeds of the artemisia selengensis and reducing the abnormal rate of seedlings are achieved. Finally, the carbendazim wettable powder and the Bordeaux mixture are adopted in sequence to carry out simple spraying post-treatment operation, and the effects of improving the germination rate of the seeds of the Artemisia ordosica and reducing the abnormal rate of the seedlings are further achieved by utilizing the synergistic sterilization and pest killing effects of the carbendazim wettable powder and the Bordeaux mixture, so that better economic benefit and ecological benefit are achieved.
The invention provides a seedling raising method of artemisia selengensis, which comprises the following steps:
(1) selecting a seedling raising land;
(2) preparing soil and making a bed;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or manually using a hoe, black sand sagebrush seeds are uniformly mixed with coarse sand, urea and decomposed farmyard manure and then are uniformly spread;
(4) and (3) post-treatment spraying: after sowing, spraying the sown bed surface by adopting a carbendazim wettable powder diluent;
(5) after spraying, covering soil, and then continuously spraying the covered bed surface by using Bordeaux mixture diluent;
(6) and (5) irrigating.
Further, the seedling growing land in the step (1) is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil.
Further, the land preparation in the step (2) is to achieve leveling, fine crushing and no weed.
Further, the ditching row distance in the step (3) is 20-50 cm, and the ditching depth is 2-5 cm.
Further, in the step (3), the artemisia selengensis seeds, 10-30 times of coarse sand, 1-10 times of urea and 5-20 times of decomposed farmyard manure are uniformly mixed according to mass times.
Further, in the step (3), the artemisia selengensis seeds, 15-20 times of coarse sand, 4-6 times of urea and 8-12 times of decomposed farmyard manure are uniformly mixed according to mass times.
Further, the diluent of the carbendazim wettable powder in the step (4) is 1000-fold and 2000-fold diluent.
Further, after the spraying in the step (5), the soil is covered by 2-4 cm, and the seeds are completely covered; the boldo liquid diluent is 1000-fold and 2000-fold diluent.
Further, the irrigation in the step (6) is timely irrigation after sowing, so that the artemisia selengensis can have sufficient moisture for development.
And counting the germination rate and the seedling deformity rate after the seedlings are grown out completely.
Subsequently, seedling transplanting and sand fixing or wind prevention belts can be carried out: the annual seedlings are used for planting artemisia selengensis in different positions of a sand dune with different effects, so that the good sand falling slope, the second sand hill and the worst windward slope are selected. The suitable density is 58-75 strains per 100 square meters.
And (4) post management: little care is required. The planting cost is as follows: the height is less than 40 cm and 0.1 element/strain, and the height is more than 40 cm and 0.2 element/strain. Seeding quantity per mu: 1000 g. Yield of seedlings per mu: 12 ten thousand strains.
Compared with the prior art, the invention has the following beneficial effects:
according to the method, the artemisia selengensis seeds are mixed with coarse sand, urea and decomposed farmyard manure in the sowing process, so that the germination rate of the artemisia selengensis seeds can be effectively improved, and the subsequent seedling deformity rate is reduced. Organic matters such as humus contained in the decomposed farmyard manure have strong ion exchange capacity and adsorption capacity, can promote plant root development and in-vivo nitrogen metabolism to a certain extent, promotes nitrogen absorption, and improves the fertilizer efficiency utilization rate. The addition of the urea can provide a certain necessary nitrogen nutrient element, and can also generate a certain chemical action with organic matters such as humus, plant ash and the like in decomposed farmyard manure, improve the soil exchange capacity and adjust the pH value of the soil; meanwhile, the fertilizer can decompose and generate certain gases such as ammonia gas and the like, so that the soil is loosened, the water, fertilizer, gas and heat conditions in the soil are adjusted, the water and fertilizer retention capacity of the soil is improved, the plant root system development is promoted, and the microbial activity in the soil can be increased under good soil conditions. Has the advantages of obviously improving cured soil, loosening hardened soil, improving ecological environment, promoting the activity of soil microorganisms, increasing the number of beneficial microorganisms in soil and increasing the activity of soil enzymes. Meanwhile, the soil conditioner has an inhibiting effect on fungi, and can gradually reduce the salt content on the surface layer of the soil.
As organic matters such as humus and the like contained in the decomposed farmyard manure have high surface activity, the permeability and the swelling pressure of cells are increased, the concentration of cell sap is improved, and the drought resistance, waterlogging resistance, wind resistance and lodging resistance of plants are improved. As organic matters such as humus have an inhibiting effect on fungi, the fertilizer can prevent and treat rot and root rot, improve the disease resistance of plants and improve the deformity rate of seedlings. However, due to the direct action of a large amount of organic matters in the decomposed farmyard manure and urea, a fast reaction can be generated, so that the acid-base property of soil and severe heat change are influenced, the necrosis of seeds can be caused, the germination rate is influenced, the breeding of fungi can be caused, and more deformity rates are generated. Therefore, on one hand, coarse sand with proper times is added to play a good role in dilution and buffering, and on the other hand, the addition amount of the artemisia selengensis seeds, the coarse sand, the urea and the decomposed farmyard manure is strictly controlled, so that the proportion of various raw materials reaches a proper range, the optimal synergistic effect is generated, the raw materials can be saved to a certain extent, the cost is reduced, and the adverse effect can be minimized.
And finally, spraying 2000-time diluent of carbendazim wettable powder 1000-fold before covering soil after sowing on the bed surface covered by sowing, wherein the carbendazim is a spectral bactericide and has excellent prevention and control effects on plant diseases and insect pests caused by various fungi. After covering soil, spraying the covered bed surface with 1000-fold 2000-fold diluent of Bordeaux mixture, wherein the Bordeaux mixture belongs to inorganic copper bactericide and can effectively prevent the germination of pathogenic bacteria or the growth of hyphae. The carbendazim wettable powder and the Bordeaux mixture are sprayed successively for post-treatment, so that the effects of reducing the germ carrying rate of seed germination and reducing the distortion rate of seedlings can be further achieved.
Detailed Description
In order to better explain the present invention and to facilitate the understanding of the technical solutions of the present invention, the present invention is further described in detail below. However, the following examples are only simple examples of the present invention and do not represent or limit the scope of the present invention, which is defined by the claims.
During investigation, cotyledon expansion, hypocotyl elongation or obvious green cotyledon with damage area not more than 50% or obvious radicle is taken as a standard for judging germination; judging the seedling deformity standard by referring to a seedling identification practical manual, wherein the seedling deformity rate is calculated by the conditions that the damaged area of cotyledons exceeds 50%, the cotyledons are diseased, radicles are rotten, radicles are bent and cannot grow normally and the like;
wherein the germination percentage (%) — cumulative number of germinated seeds/total number of seeds) × 100%;
seedling aberration rate (cumulative number of malformed seedlings/total number of seedlings) x 100%.
Example 1
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 20 times of coarse sand, 6 times of urea and 12 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Example 2
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 15 times of coarse sand, 4 times of urea and 8 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 1
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the depth of ditches is 3 cm, and the seeds of the Artemisia sphaerocephala, 6 times of urea and 12 times of decomposed farmyard manure are uniformly mixed by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 2
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis, 20 times of coarse sand and 12 times of decomposed farmyard manure are uniformly mixed by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 3
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the ditch row spacing is 25 cm, the ditch depth is 3 cm, the Artemisia sphaerocephala seeds, 20 times of coarse sand and 6 times of urea are uniformly mixed by mass times, and then the seeds are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 4
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 20 times of coarse sand, 6 times of urea and 12 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) the earthing is 2 cm, and the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(5) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 5
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 20 times of coarse sand, 6 times of urea and 12 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 6
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 20 times of coarse sand, 60 times of urea and 12 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 7
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 20 times of coarse sand, 6 times of urea and 100 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 8
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 200 times of coarse sand, 6 times of urea and 12 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) and (3) post-treatment spraying: after sowing, spraying 1000 times of diluent of carbendazim wettable powder on the sown bed surface;
(5) the soil is covered by 2 cm after spraying, so that the seeds are completely covered; then continuously spraying 1000 times of diluent of Bordeaux mixture on the bed surface covered by the seeds;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
Comparative example 9
A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land: the artemisia selengensis seedling growing land is selected in a place which is ventilated and is beneficial to irrigation and drainage, and the soil is fertile and loose sandy loam or light saline-alkali soil;
(2) soil preparation and bed making: the land preparation is smooth, fine and free of weeds;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or a manual hoe, wherein the row spacing of ditches is 25 cm, the ditch depth is 3 cm, and the seeds of the artemisia selengensis are uniformly mixed with 20 times of coarse sand, 6 times of urea and 12 times of decomposed farmyard manure by mass times and then are uniformly sowed;
(4) then, earthing for 2 cm is performed, and the seeds are completely covered;
(6) irrigation: and irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development, and counting the germination rate and the seedling deformity rate after seedlings are grown out completely.
The germination rates and seedling deformity rates of examples 1-2 and comparative examples 1-9 were then counted according to the above methods, and the results are shown in table 1:
TABLE 1 germination and seedling deformity
| Experimental group | Percentage of germination (%) | Seedling distortion rate (%) |
| Example 1 | 91 | 2.1 |
| Example 2 | 89 | 2.9 |
| Comparative example 1 | 68 | 4.7 |
| Comparative example 2 | 82 | 3.2 |
| Comparative example 3 | 80 | 4.2 |
| Comparative example 4 | 86 | 9.0 |
| Comparative example 5 | 88 | 9.2 |
| Comparative example 6 | 48 | 4.5 |
| Comparative example 7 | 53 | 4.1 |
| Comparative example 8 | 83 | 3.9 |
| Comparative example 9 | 84 | 19.7 |
As can be seen from the data of the examples 1-2 and the comparative examples 1-9 in the table 1, the effect of effectively improving the germination rate of the seeds of the artemisia selengensis and reducing the abnormal rate of the seedlings can be achieved by simultaneously mixing the artemisia selengensis seeds with the coarse sand, the urea and the decomposed farmyard manure in the sowing process and controlling the addition amount of the three within a proper range. Meanwhile, after the subsequent sowing is finished, the carbendazim wettable powder and the Bordeaux mixture are adopted to carry out spraying post-treatment operation, and the effects of improving the germination rate of the seeds of the artemisia selengensis and reducing the abnormal rate of the seedlings can be achieved to a certain extent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A seedling raising method of artemisia selengensis comprises the following steps:
(1) selecting a seedling raising land;
(2) preparing soil and making a bed;
(3) ditching and sowing: ditching is carried out by using a multi-row ditcher or manually using a hoe, black sand sagebrush seeds are uniformly mixed with coarse sand, urea and decomposed farmyard manure and then are uniformly spread; uniformly mixing the artemisia selengensis seeds with 10-30 times of coarse sand, 1-10 times of urea and 5-20 times of decomposed farmyard manure by mass times;
(4) and (3) post-treatment spraying: after sowing, spraying the sown bed surface by adopting a carbendazim wettable powder diluent; the carbendazim wettable powder diluent is 1000-2000 times of diluent;
(5) after spraying, covering soil, and then continuously spraying the covered bed surface by using Bordeaux mixture diluent; the boldo liquid diluent is 1000-2000 times of diluent;
(6) and (5) irrigating.
2. The seedling raising method of artemisia selengensis as claimed in claim 1, wherein the method comprises the following steps: and (2) selecting the seedling growing land in a ventilated place beneficial to irrigation and drainage, wherein the soil is fertile and loose sandy loam or light saline-alkali soil.
3. The seedling raising method of artemisia selengensis as claimed in claim 1, wherein the method comprises the following steps: in the step (2), the soil preparation needs to be smooth, fine and free of weeds.
4. The seedling raising method of artemisia selengensis as claimed in claim 1, wherein the method comprises the following steps: the furrow row spacing of the furrowing in the step (3) is 20-50 cm, and the furrow depth is 2-5 cm.
5. The seedling raising method of artemisia selengensis as claimed in claim 1, wherein the method comprises the following steps: in the step (3), the artemisia selengensis seeds are uniformly mixed with 15-20 times of coarse sand, 4-6 times of urea and 8-12 times of decomposed farmyard manure by mass times.
6. The seedling raising method of artemisia selengensis as claimed in claim 1, wherein the method comprises the following steps: and (5) after spraying, earthing for 2-4 cm, and completely covering the seeds.
7. The seedling raising method of artemisia selengensis as claimed in claim 1, wherein the method comprises the following steps: and (6) irrigating water in time after sowing to promote the artemisia selengensis to have sufficient water for development.
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