CN109479658B - Lily seed seedling growing method - Google Patents
Lily seed seedling growing method Download PDFInfo
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- CN109479658B CN109479658B CN201910038802.4A CN201910038802A CN109479658B CN 109479658 B CN109479658 B CN 109479658B CN 201910038802 A CN201910038802 A CN 201910038802A CN 109479658 B CN109479658 B CN 109479658B
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- 241000234435 Lilium Species 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000009331 sowing Methods 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000005059 dormancy Effects 0.000 claims abstract description 24
- 238000002791 soaking Methods 0.000 claims abstract description 13
- 230000001954 sterilising effect Effects 0.000 claims abstract description 7
- 239000000645 desinfectant Substances 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 19
- 238000004659 sterilization and disinfection Methods 0.000 claims description 12
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims description 10
- IWDQPCIQCXRBQP-UHFFFAOYSA-M Fenaminosulf Chemical compound [Na+].CN(C)C1=CC=C(N=NS([O-])(=O)=O)C=C1 IWDQPCIQCXRBQP-UHFFFAOYSA-M 0.000 claims description 10
- 239000005843 Thiram Substances 0.000 claims description 10
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 claims description 10
- 239000006013 carbendazim Substances 0.000 claims description 10
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 10
- 229960002447 thiram Drugs 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 239000003864 humus Substances 0.000 claims description 8
- 239000011504 laterite Substances 0.000 claims description 3
- 229910001710 laterite Inorganic materials 0.000 claims description 3
- 239000010451 perlite Substances 0.000 claims description 3
- 235000019362 perlite Nutrition 0.000 claims description 3
- 230000014284 seed dormancy process Effects 0.000 abstract description 4
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 9
- 230000035784 germination Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000008223 sterile water Substances 0.000 description 3
- 208000035143 Bacterial infection Diseases 0.000 description 2
- 241000234280 Liliaceae Species 0.000 description 2
- 208000022362 bacterial infectious disease Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 241000131505 Gloriosa Species 0.000 description 1
- 240000008058 Lilium brownii Species 0.000 description 1
- 235000015982 Lilium brownii Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
-
- 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
-
- 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
- A01C1/08—Immunising seed
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention provides a seedling raising method of lily seeds, and relates to the technical field of lily seed breeding, wherein the seedling raising method comprises the steps of (1) soaking the lily seeds in water at the temperature of 3-5 ℃ for 10-15 h; (2) pouring out water with the volume of more than 2/3, and standing for 2-3 days at 3-5 ℃ to obtain the lily seeds with dormancy broken; (3) sterilizing the lily seeds with the dormancy breaking for 18-30 hours at the temperature of 3-5 ℃ to obtain pretreated lily seeds; (4) watering a seedling substrate to be sown, sowing the pretreated lily seeds in the seedling substrate, and covering soil; (5) covering with a mulching film after covering soil, watering once every 7-8 days, removing the mulching film when the emergence rate reaches more than 50%, and lifting seedlings when the lily seedlings grow to 4 main leaves. The seedling raising method disclosed by the invention has the advantages of short seed dormancy breaking time, high emergence rate, shorter emergence time compared with the conventional method, simple cultivation process and almost no limitation of other external factors.
Description
Technical Field
The invention relates to the technical field of lily seed breeding, in particular to a seedling raising method for lily seeds.
Background
Lilium brownii is a generic term for all species of plants of the genus Lilium of the subclass Liliaceae of the monocotyledonous plant. More than 110 varieties are found in the world, mainly distributed in temperate and cold regions of northern hemisphere, and a few varieties are distributed in high altitude regions of tropical zone.
Lily has bright color and unique flower appearance, is one of famous flowers in the world, and is widely applied to food and medicine industries. Is one of the flowers which are developed faster in the world at present, is deeply loved by people, and has wide planting area and important market share. At present, compared with the conventional lily seedling raising method, the conventional lily seedling raising method has the advantages of low emergence rate, complicated seedling management and higher production cost, limits the yield of lily to a certain extent and reduces the economic value of lily.
The lily is perennial root plant in Lilium of Liliaceae, and can be propagated by bulbil, bulblet, scale and seed, harvested in autumn, cultured for 2 years, and used as seed ball. The lily seeds grow from the joints of the leaves and the overground stems of the lilies, can be formed only when the lilies are particularly rich in nutrition, and are difficult to obtain after blooming generally, so that the conventional lily cultivation method mainly adopts bulbs, scales or bulbels as propagation materials, and has little research on how to improve the germination and seedling culture of the lily seeds.
In the existing research, chinese patent CN103460849B provides a method for improving the germination rate of lilium gondii seeds, after lilium gondii seeds are soaked in warm water for 24 hours, the seeds soaked in warm water are mixed with river sand, and the mixture is subjected to temperature change treatment of low temperature-warm temperature-low temperature-warm temperature for 90 days, so that the dormancy of the seeds can be effectively broken, and the germination rate of the seeds can be obviously improved. Chinese patent CN102227965B provides a method for promoting lily seed germination, lily seeds and matrix soil are mixed and then are put into a plastic bag, the plastic bag is stored at normal temperature for 1.5-3 months, then the plastic bag is stored at the low temperature of-1-4 ℃ for 1.5-3 months, and the germination rate of the seed balls within 30 days is more than 60%. As can be seen, the pretreatment time in the existing lily seed seedling raising method is too long. And Chinese patent CN103430661B discloses a method for improving the emergence rate of lily of gloriosa seeds, wherein after the outer red skin of the seeds is removed, the seeds are sequentially soaked for 5-15 s in hot water and soaked for 24-48 h in warm water, and after sowing, an arch shed is built on a seedbed until emergence of seedlings, so that the emergence rate and the uniformity can be obviously improved. Although the method can quickly break dormancy, the cultivation steps are complicated and the temperature and the illumination need to be controlled.
Disclosure of Invention
In order to overcome the defects of long time and complicated cultivation process of the conventional lily seed breeding method, the invention provides the lily seed seedling method which is short in seedling period, high in emergence rate and simple.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a seedling raising method of lily seeds, which comprises the following steps:
(1) soaking lily seeds in water at the temperature of 3-5 ℃ for 10-15 h;
(2) pouring out water with the volume of more than 2/3, and standing for 2-3 days at 3-5 ℃ to obtain the lily seeds with dormancy broken;
(3) sterilizing the lily seeds with the dormancy breaking for 18-30 hours at the temperature of 3-5 ℃ to obtain pretreated lily seeds;
(4) watering a seedling substrate to be sown, sowing the pretreated lily seeds in the seedling substrate, and covering soil;
(5) covering with a mulching film after covering soil, watering once every 7-8 days, removing the mulching film when the emergence rate reaches more than 50%, and lifting seedlings when the lily seedlings grow to 4 main leaves.
Preferably, in the step (1), the mass ratio of the lily seeds to the water is 1: 2-6.
Preferably, in the step (3), the disinfection is performed by using a compound disinfectant, and the compound disinfectant comprises carbendazim, thiram and fenaminosulf.
Preferably, in the step (3), the compound disinfectant comprises 15-35 mg/L of carbendazim, 15-35 mg/L of thiram and 15-35 mg/L of fenaminosulf.
Preferably, the seedling substrate to be sown is disinfected before the watering in the step (4).
Preferably, the seedling substrate in the step (4) comprises one or more of humus soil, perlite, laterite, turfy soil and river sand.
Preferably, the seedling culture substrate comprises, by weight, 50-70 parts of humus soil, 80-110 parts of turfy soil and 30-50 parts of river sand.
Preferably, in the step (4), the sowing density is 30-60 seeds per square meter, and any two pretreated lily seeds do not overlap.
Preferably, the row spacing for sowing the lily seeds is 16-34 cm, and the plant spacing for sowing the lily seeds is 8-15 cm.
Preferably, in the step (4), the thickness of the covering soil is not more than 1 cm.
Compared with the prior art, the invention has the beneficial effects that:
(1) the seedling raising method of the lily seeds breaks seed dormancy by adopting a cold water soaking and low-temperature treatment mode, is short in time consumption and easy to operate;
(2) the seedling emergence can be realized after the seedling raising method for the lily seeds is sown for 1 month, the seedling emergence time is shortened compared with the conventional seedling raising method for the lily seeds, and the seedling emergence rate can reach more than 67%;
(3) the lily seed seedling raising method is simple and convenient to operate, time-saving and labor-saving, and is hardly limited by other external factors.
Detailed Description
The invention provides a seedling raising method of lily seeds, which comprises the following steps:
(1) soaking lily seeds in water at the temperature of 3-5 ℃ for 10-15 h;
(2) pouring out water with the volume of more than 2/3, and standing for 2-3 days at 3-5 ℃ to obtain the lily seeds with dormancy broken;
(3) sterilizing the lily seeds with the dormancy breaking for 18-30 hours at the temperature of 3-5 ℃ to obtain pretreated lily seeds;
(4) watering a seedling substrate to be sown, sowing the pretreated lily seeds in the seedling substrate, and covering soil;
(5) covering with a mulching film after covering soil, watering once every 7-8 days, removing the mulching film when the emergence rate reaches more than 50%, and lifting seedlings when the lily seedlings grow to 4 main leaves.
The seedling raising method of the lily seeds is suitable for cultivating various lily varieties, and the lily varieties are not specially limited.
Firstly, lily seeds are soaked in water with the temperature of 3-5 ℃ for 10-15 hours. In the present invention, the temperature of the water is preferably 4 ℃; in the invention, the soaking time is preferably 12-14 h. The water temperature is kept unchanged during the soaking period. In the invention, the mass ratio of the lily seeds to water is preferably 1: 2-6, and more preferably 1: 3-4. The method can effectively stimulate the activity of the lily seeds by soaking in cold water (3-5 ℃), and gives sufficient water to the seeds.
After soaking, pouring water with the volume of more than 2/3, and standing for 2-3 days at 3-5 ℃ to obtain the dormancy-broken lily seeds. In the present invention, the volume of the poured water is preferably 2/3 to 5/6. In the present invention, the temperature at the time of the standing is preferably 4 ℃; in the present invention, the mode time is preferably 2.5 d. According to the method, the dormancy of the lily seeds is broken through a mode of 'soaking in cold water (3-5 ℃) and low-temperature treatment in a wet state', only about 2.5-3.5 days are needed, and compared with a conventional method, the time for breaking the dormancy can be remarkably shortened. The invention pours most of water out in order to make the soaked lily seed contact the air and activate the synthesis of the other part of hormone, thereby having comprehensive action and jointly promoting the dormancy breaking of the lily seed.
After the lily seeds breaking dormancy are obtained, the lily seeds breaking dormancy are sterilized for 18-30 hours at the temperature of 3-5 ℃ to obtain the pretreated lily seeds. In the present invention, the temperature at the time of the sterilization is preferably 4 ℃. In the invention, the disinfection time is preferably 20-26 h, and more preferably 24 h. According to the invention, the low-temperature (3-5 ℃) sterilization is selected to further promote the stimulation to the lily seeds so as to improve the germination rate and uniformity of the seeds. The invention aims to disinfect lily seeds in order to improve the survival rate of seedlings by means of bacterial infection.
In the invention, the disinfection is preferably carried out by adopting a compound disinfectant; the composite disinfectant preferably comprises carbendazim, thiram and fenaminosulf. In the invention, the composite disinfectant preferably comprises 15-35 mg/L of carbendazim, 15-35 mg/L of thiram and 15-35 mg/L of fenaminosulf; more preferably, the antibacterial agent comprises carbendazim 25mg/L, thiram 25mg/L and fenaminosulf 25 mg/L. In the present invention, the solvent of the composite sterilizing fluid is preferably water. The compound disinfectant has better disinfection effect on lily seeds.
After the pretreated lily seeds are obtained, the seedling substrate to be sown is watered, the pretreated lily seeds are sown in the seedling substrate, and soil is covered. The method firstly waters and then seeds the lily seeds, which is more favorable for the emergence of the lily seeds.
In the present invention, before watering, it is preferable to sterilize the seedling substrate to be sown. The invention aims to disinfect the seedling substrate so as to prevent bacterial infection and improve the survival rate of seedlings. The invention preferably adopts the compound disinfectant for disinfection so as to improve the disinfection effect. The components of the compound disinfectant are not described in detail.
In the present invention, the seedling substrate preferably includes one or more of humus soil, perlite, laterite, turfy soil and river sand; more preferred include humus soil, peatmoss soil and river sand. In the invention, the seedling raising substrate preferably comprises 50-70 parts by weight of humus soil, 80-110 parts by weight of turfy soil and 30-50 parts by weight of river sand; more preferably, the soil comprises 60-65 parts of humus soil, 90-100 parts of turfy soil and 40-45 parts of river sand.
In the invention, the sowing density is preferably 30-60 seeds/square meter, and any two pretreated lily seeds are not overlapped; more preferably 50 per square meter. In the invention, the row spacing for sowing the lily seeds is preferably 16-34 cm, and more preferably 20 cm; in the invention, the planting distance of the lily seeds is preferably 8-15 cm, and more preferably 10 cm. The preferred sowing density and spacing of the invention are more favorable for lily seed emergence.
In the invention, the thickness of the covering soil is preferably not more than 1cm, and more preferably 0.5-0.8 cm. If the thickness of the covering soil exceeds 1cm, the germination of the lily seeds is limited, and the emergence of seedlings is not facilitated.
Covering a mulching film on the covering soil layer after covering soil, watering once every 7-8 days, removing the mulching film when the emergence rate reaches more than 50%, and lifting seedlings when the lily seedlings grow to 4 main leaves. The mulching film is covered by the mulching film, so that the mulching film is used for preventing water evaporation, is simple and convenient to operate, saves time and labor and is beneficial to seedling emergence.
The source of the mulching film is not particularly limited, and the mulching film can be purchased from commercial products. In the present invention, the thickness of the mulching film is preferably 0.005 to 0.012mm, and more preferably 0.008 to 0.009 mm.
The emergence rate of the lily seedlings reaches above 50%, and is about 20-25 days, and at the moment, the lily seedlings need air and sunlight, and the mulching film can be removed.
The seedling raising method in the lily breaks through seed dormancy through an effective pretreatment method, the emergence rate of more than 67 percent can be achieved through simple and convenient operation in the cultivation process, the emergence time is only about 30d, the efficiency is high, the cost is low, and the method is convenient to popularize.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
(1) The seed breaks dormancy: soaking 10g of lily seeds in 4 ℃ sterile water with the mass 3 times of that of the lily seeds for 12h, pouring out 2/3 volumes of water, and standing at 4 ℃ for 2d to obtain the lily seeds with dormancy broken.
(2) Seed disinfection: 1g of each of the commercially available carbendazim (50%), thiram (50%) and fenaminosulf (50%) is mixed with 200L of water to obtain the compound disinfectant. And immersing the lily seeds which break the dormancy in the compound disinfectant for 24 hours to obtain the pretreated lily seeds.
(3) Preparing a seedling culture substrate: the width of the substrate is 1.2m, the thickness is 10cm, and the surface is scraped. And (3) disinfecting the seedling substrate by using the compound disinfectant prepared in the step (2).
(4) Watering the seedling substrate before sowing till the seedling substrate is thoroughly watered, and sowing the seedling substrate according to the row spacing of 20cm, the plant spacing of 10cm and 50 seeds/m2The sowing density is adopted for sowing, a 0.8cm soil layer is covered after sowing, and a layer of mulching film with the thickness of 0.008mm is covered on the covering soil layer.
(5) Seedling stage management: the environmental temperature is 20 ℃, mulching film is uncovered and watered once every 7d after sowing, the emergence rate reaches 50% 25d after sowing, the mulching film is uncovered for continuous culture, the emergence rate basically reaches 69% after sowing for 30d, and seedlings can be lifted (about 10 cm) when the lily seedlings grow to 4 true leaves.
Example 2
(1) The seed breaks dormancy: soaking 15g of lily seeds in 5 ℃ sterile water 2 times of the mass of the lily seeds for 14h, pouring out 3/4 volumes of water, and standing at 4 ℃ for 3d to obtain the lily seeds with dormancy broken.
(2) Seed disinfection: 1g of each of the commercially available carbendazim (50%), thiram (50%) and fenaminosulf (50%) is mixed with 220L of water to obtain the compound disinfectant. And immersing the lily seeds which break the dormancy in the compound disinfectant for 22 hours to obtain the pretreated lily seeds.
(3) Preparing a seedling culture substrate: the width of the substrate is 1.5m, the thickness is 12cm, and the surface is scraped. And (3) disinfecting the seedling substrate by using the compound disinfectant prepared in the step (2).
(4) Watering the seedling substrate before sowing till the seedling substrate is thoroughly watered, and controlling the row spacing of the sowing to be 16.7cm, the plant spacing to be 10cm and the plant spacing to be 60 pieces/m2The sowing density of the seed is adopted for sowing, a 1cm soil layer is covered after sowing, and a layer of mulching film with the thickness of 0.008mm is covered on the soil covering layer.
(5) Seedling stage management: the environmental temperature is 22 ℃, mulching film is uncovered and watered once every 8d after sowing, the emergence rate reaches 50% 28d after sowing, the mulching film is uncovered for continuous culture at the moment, the emergence rate reaches 67% after sowing for 32d, and seedlings can be lifted (about 10 cm) when the lily seedlings grow to 4 true leaves.
Example 3
(1) The seed breaks dormancy: soaking 10g of lily seeds in 3 ℃ sterile water 4 times of the mass of the lily seeds for 12h, pouring out 5/6 volumes of water, and standing at 3 ℃ for 3d to obtain the lily seeds with dormancy broken.
(2) Seed disinfection: 1g of each of the commercially available carbendazim (50%), thiram (50%) and fenaminosulf (50%) is mixed with 180L of water to obtain the compound disinfectant. And immersing the lily seeds which break the dormancy in the compound disinfectant for 22 hours to obtain the pretreated lily seeds.
(3) Preparing a seedling culture substrate: the width of the substrate is 1.2m, the thickness is 12cm, and the surface is scraped. And (3) disinfecting the seedling substrate by using the compound disinfectant prepared in the step (2).
(4) Watering the seedling substrate before sowing till the seedling substrate is thoroughly watered, and controlling the row spacing of the sowing to be 25cm, the plant spacing to be 10cm and the plant spacing to be 40/m2The sowing density of the seed is used for sowing, a 0.5cm soil layer is covered after sowing, and a layer of mulching film with the thickness of 0.009mm is covered on the covering soil layer.
(5) Seedling stage management: the environmental temperature is 21 ℃, mulching film is uncovered and watered once every 8d after sowing, the emergence rate reaches 50% 26d after sowing, the mulching film is uncovered for continuous culture, the emergence rate basically reaches 68% after sowing for 30d, and seedlings can be lifted (about 10 cm) when the lily seedlings grow to 4 true leaves.
The embodiments show that the lily seed seedling raising method provided by the invention has short pretreatment time, seed dormancy can be broken after not more than 4 days, the seedling emergence rate can reach more than 67%, seedling emergence is basically carried out after about 30 days, the operation is simple and convenient, and time and labor are saved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A seedling raising method for lily seeds comprises the following steps:
(1) soaking lily seeds in water at the temperature of 3-5 ℃ for 10-15 h;
(2) pouring out water with the volume of more than 2/3, and standing for 2-3 days at 3-5 ℃ to obtain the lily seeds with dormancy broken;
(3) sterilizing the lily seeds with the dormancy breaking function for 18-30 hours at the temperature of 3-5 ℃ to obtain pretreated lily seeds;
(4) watering a seedling substrate to be sown, sowing the pretreated lily seeds in the seedling substrate, and covering soil;
in the step (4), the sowing density is 30-60 seeds per square meter, and any two pretreated lily seeds are not overlapped;
the row spacing of the pre-treated lily seeds is 16-34 cm, and the row spacing of the pre-treated lily seeds is 8-15 cm;
(5) covering with a mulching film after covering soil, watering once every 7-8 days, removing the mulching film when the emergence rate reaches more than 50%, and lifting seedlings when the lily seedlings grow to 4 main leaves.
2. A seedling raising method according to claim 1, wherein in the step (1), the mass ratio of the lily seeds to the water is 1: 2-6.
3. A seedling raising method according to claim 1, wherein in the step (3), the disinfection is carried out by using a compound disinfectant, and the compound disinfectant comprises carbendazim, thiram and fenaminosulf.
4. A seedling raising method according to claim 3, wherein in the step (3), the compound disinfectant comprises 15-35 mg/L of carbendazim, 15-35 mg/L of thiram and 15-35 mg/L of fenaminosulf.
5. A method for raising seedlings according to claim 1, wherein a seedling raising substrate to be sown is sterilized before the watering in step (4).
6. A method of raising seedlings according to claim 1, wherein the seedling raising substrate of step (4) comprises one or more of humus soil, perlite, laterite, turfy soil and river sand.
7. A seedling raising method according to claim 6, characterized in that the seedling raising substrate comprises, by weight, 50-70 parts of humus soil, 80-110 parts of turfy soil and 30-50 parts of river sand.
8. A method of raising seedlings according to claim 1, characterized in that in step (4), the thickness of the casing soil is not more than 1 cm.
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| CN110800416A (en) * | 2019-09-17 | 2020-02-18 | 青海大学 | Lily underground-tunnel buried-piece culture and propagation method |
| CN110692309A (en) * | 2019-10-26 | 2020-01-17 | 湖北盘龙国瑞医药有限公司 | Lily planting seed pretreatment method |
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| JPH01199901A (en) * | 1988-02-03 | 1989-08-11 | Mitsui Petrochem Ind Ltd | Method for storing seeds, seedlings and bulbs |
| JP2987793B2 (en) * | 1993-01-28 | 1999-12-06 | 日本たばこ産業株式会社 | Lily dwarfing method and dwarfed lily bulb |
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