CN109601274A - A kind of method for culturing seedlings improving rhodiola planting percent - Google Patents

A kind of method for culturing seedlings improving rhodiola planting percent Download PDF

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Publication number
CN109601274A
CN109601274A CN201910025982.2A CN201910025982A CN109601274A CN 109601274 A CN109601274 A CN 109601274A CN 201910025982 A CN201910025982 A CN 201910025982A CN 109601274 A CN109601274 A CN 109601274A
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rhodiola
seedling
seed
planting percent
nursery
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CN109601274B (en
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赵文吉
何正军
贾国夫
白史且
张昌兵
闫利军
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Sichuan Academy of Grassland Science
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Sichuan Academy of Grassland Science
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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
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • 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
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • 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
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
    • 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
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Botany (AREA)
  • Soil Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The present invention relates to a kind of method for culturing seedlings for improving rhodiola planting percent, belong to high and cold medicinal plant domesticating and cultivating field.The technical problem to be solved by the present invention is to provide a kind of method for culturing seedlings for improving rhodiola planting percent.This method comprises: a, preparation nursery pond and seedling medium；B, it dresses seed；C, it sows；D, it is put into nursery pond；E, it manages；F, seedling is out of the garden.The method of the present invention, without seed soaking operation, it does not need to carry out hormone or disinfection or other processing to seed in advance, directly using seed as raw material, pass through specific seedling medium, specific thickness of sowing and specific container for plant growth, nursery pond and management method, rhodiola seedling can be cultivated, fundamentally solves the problems, such as rhodiola planting percent, and it can largely shorten rhodiola seedling to be out of the garden the time, it is consistent, planting percent is high, to solve the problems, such as rhodiola seed seedling-raising difficulty, advance rhodiola domesticating and cultivating.

Description

A kind of method for culturing seedlings improving rhodiola planting percent
Technical field
The present invention relates to a kind of method for culturing seedlings for improving rhodiola planting percent, belong to high and cold medicinal plant domesticating and cultivating Field.
Background technique
Rhodiola (Rhodiola crenulata (Hook.f.et Thoms.) H.Ohba.) is the treasure in root of kirilow rhodiola Product are known as " plateau ginseng ", the unique base plant included for " Chinese Pharmacopoeia ", perennial herb, be mainly grown on Tibet, Its habitat is special on the flowstone beach in the above High aititude mountain area Chuan Xi and NW YUNNAN height above sea level 4000m or in crack of stone, slow growth, breeding Difficulty, update cycle are very long.With qi and activate blood circulation, promotes blood circulation and relievings asthma.For qi deficiency to blood stasis, chest impediment and cardialgia, hemiplegia, burnout gas Asthma, is multi-arch retaining structure, Nuodikang capsule etc. one of important Chinese patent drug and the primary raw material of new drug.With domestic and international market Growing day by day to the demand of root of kirilow rhodiola, root of kirilow rhodiola wild resource is excavated by the formula of predation, and rhodiola is high mountain in addition Plant slow growth itself, regeneration period are long, and wild resource faces exhaustion, the rhodiolas such as rhodiola various plants by It is classified as national II grade of imminent extinction protected plants.However rhodiola is in introduction and acclimatization stage, the evaporation of harmful Culture in Summer on Higher Altitude upper soll layer Amount is big, hail takes place frequently, rhodiola seed is small causes seed Seedling emergence rate low, and field Growth of Seedling is slow, year is biological Amount accumulation is difficult to cope with plateau winter soil multigelation less low, so that next year planting percent is extremely low, improves rhodiola seedling Rate accelerates seedling growth to be the major issue that current rhodiola domesticating and cultivating faces.
Currently, improve rhodiola planting percent common method be before nursery to seed carry out chemicals treatment or other Processing.For example, application No. is the patents of invention of 201010266913X, after seed is impregnated, impregnated with ethyl alcohol and HgCl, so Aseptic water washing afterwards after suck dry moisture, is inoculated on Ms culture medium, after germination, is transferred on 1/2Ms culture medium, simulates Wild environment induces the formation of root, is continuing to cultivate into matrix by the bottle seedling of formation lignifying root.This method needs pair Seed carries out long-time immersion, and high operation requirements, at high cost.Application No. is the patents of invention of 201611143165X, disclose The method for culturing seedlings of root of kirilow rhodiola seed is placed in cellulase solution or pectinase solution, ultrasonication after air-drying seed, It is subsequently placed in chitosan solution and impregnates, finally sow, this method is also to need to pre-process seed, it is difficult to ensure that seed Breeding efficiency is unfavorable for the large-scale planting of rhodiola.
Therefore, in order to promote the development and utilization of rhodiola resource, success domesticating and cultivating rhodiola, there is an urgent need to A method of improving Endangered Medicinal Herb rhodiola nursery planting percent.
Summary of the invention
For disadvantages described above, the technical problem to be solved by the present invention is to provide a kind of nursery for improving rhodiola planting percent Method.
The present invention improves the method for culturing seedlings of rhodiola planting percent, includes the following steps:
A, prepare nursery pond and seedling medium: in sun glasshouse or arch greenhouse, being laid in sun glasshouse with film and educate On seedling frame or arch greenhouse seedbed, nursery pond is formed, and clear water is put on film；
Plantation soil, decomposed cow dung, vermiculite are mixed according to volume ratio 3~5: 1~3: 1, sunning, sterilization obtain nursery base Matter；
B, it dresses seed: rhodiola seed is admixed in nursery covering matrix, wherein in every 6L nursery covering matrix, mix Enter rhodiola seed 360~480, the nursery covering matrix is the seedling medium that moisture content is not higher than 50%；
C, it sows: the seed after seed dressing uniformly being sent out on the container for plant growth equipped with seedling medium, then covers one layer Seedling medium, the density of sowing are that 360~480 seeds are sowed on every square metre of seedling medium；
D, it is put into nursery pond: the container for plant growth sowed is put into nursery pond, after seedling medium is saturated with full water, discharge Remaining water in nursery pond out；
E, it manages: including irrigation water management, the irrigation water management are as follows: seed is not unearthed and Seedling Stage to nursery pond by discharging water It keeps seedling medium wet with draining, is irrigated after height of seedling 5cm using auto spraying；
F, seedling is out of the garden: after 5~10cm of rhodiola height of seedling, container for plant growth being moved out sun glasshouse or to open arch big The film of canopy is transplanted after domestication Adaptable growth 15~20 days in rainy days.
Preferably, in a step, plantation soil, decomposed cow dung, vermiculite are mixed according to volume ratio 4: 2: 1.
Preferably, in b step, in every 6L nursery covering matrix, rhodiola seed 425 are admixed.
Preferably, in step c, the density of sowing is that 425 seeds are sowed on every square metre of seedling medium.
It is further preferred that container for plant growth depth is not less than 10cm, and bottom is permeable in step c.
Preferably, in step c, cover seedling medium with a thickness of 0.4~0.8cm；More preferably covering nursery base Matter with a thickness of 0.6cm.
Preferably, seedtime is late April~mid-May.
Preferably, the management of step e further includes summer management, pest management and overwinter management.
It is further preferred that summer management are as follows: summer day pays attention to the ventilative or cooling of sun glasshouse or seedling raising greenhouse, when After temperature is higher than 30 degree, the ventilative window of sun glasshouse is opened in time, or opens the film of arch greenhouse surrounding, pays attention to closing at night Vent window puts down surrounding film to keep warm, and accomplishes that daytime takes off night lid；
Pest management are as follows: attention control aphid, powdery mildew occur during nursery；
Overwinter management are as follows: seedling gradually starts sprout tumble in late October, covers 0.5cm thickness seedling medium after sprout tumble, and cover Lid 5~10cm thickness straw screen or mat keeps sun glasshouse or seedling raising greenhouse surrounding ventilative.
Compared with prior art, the invention has the following beneficial effects:
The method of the present invention does not need to carry out hormone or disinfection or other processing to seed in advance without seed soaking operation, Directly using seed as raw material, pass through specific seedling medium, specific thickness of sowing and specific container for plant growth, nursery pond And management method, rhodiola seedling can be cultivated, fundamentally solves the problems, such as rhodiola planting percent, and can Largely shorten rhodiola seedling to be out of the garden the time, achievees the purpose that consistent, planting percent is high.
After the method for the present invention is handled, rhodiola emergence rate is up to 70% or more, improves than field technology emergence rate 90% or more；50% or more planting percent after 2 years, than field technology improve 100%, shorten rhodiola seedling be out of the garden 2 years with On.
Processing method of the present invention is simple, is suitble to severe cold areas intensive and the scattered cultivation of peasants and herdsmen, has stronger be applicable in Property and generalization, solve that existing rhodiola plateau field seedling is low, planting percent is low (is almost after 2 years Zero), to solve the problems, such as rhodiola seed seedling-raising difficulty, rhodiola domesticating and cultivating is advanced.
Specific embodiment
The present invention improves the method for culturing seedlings of rhodiola planting percent, includes the following steps:
A, prepare nursery pond and seedling medium: in sun glasshouse or arch greenhouse, being laid in sunlight with thicker film It nurses young plants in hothouses on frame or arch greenhouse seedbed, forms nursery pond, and be put into clear water on film；
Plantation soil, decomposed cow dung, vermiculite are mixed according to volume ratio 3~5: 1~3: 1, sunning, sterilization obtain nursery base Matter；
B, it dresses seed: rhodiola seed is admixed in nursery covering matrix, wherein in every 6L nursery covering matrix, mix Enter rhodiola seed 360~480, the nursery covering matrix is the seedling medium that moisture content is not higher than 50%；
C, it sows: the seed after seed dressing uniformly being sent out on the container for plant growth equipped with seedling medium, then covers one layer Seedling medium, the density of sowing are that 360~480 seeds are sowed on every square metre of seedling medium；
D, it is put into nursery pond: the container for plant growth sowed is put into nursery pond, after seedling medium is saturated with full water, discharge Remaining water in nursery pond out；
E, it manages: including irrigation water management, the irrigation water management are as follows: seed is not unearthed and Seedling Stage to nursery pond by discharging water It keeps seedling medium wet with draining, is irrigated after height of seedling 5cm using auto spraying；
F, seedling is out of the garden: after 5~10cm of rhodiola height of seedling, container for plant growth being moved out sun glasshouse or to open arch big The film of canopy is transplanted after domestication Adaptable growth 15~20 days in rainy days.
In a step, the proportion of seedling medium be it is crucial, preferably, in a step, by plantation soil, decomposed cow dung, Vermiculite is mixed according to volume ratio 4: 2: 1.Configured matrix is placed under the sun and is dried, is fitted into container for plant growth after sterilization, is protected It is smooth to hold sowing interface, it is spare.
In b step, it is preferred that in every 6L nursery covering matrix, admix rhodiola seed 425 (weighing about 0.07g).
The thickness of sowing of step c is key, and thickness of sowing is excessive, is grown after influencing emergence；Thickness of sowing is too small, wastes base The production costs such as matter.By the study found that thickness of sowing is that 360~480 seeds of sowing are advisable on every square metre of seedling medium, Preferably, the density of sowing is to sow 425 seeds (net seed 0.07g at this time) on every square metre of seedling medium.At this point, The emergence rate and planting percent of rhodiola are higher.
Container for plant growth commonly used in the art is suitable for the present invention, such as seedlings nursing plate or square plate etc., it is preferred that nursery is held Device depth is not less than 10cm, and bottom is permeable.
After planting, need to cover one layer of seedling medium, it is preferred that cover seedling medium with a thickness of 0.4~0.8cm；More It is preferred that covering seedling medium with a thickness of 0.6cm.
The nursery of rhodiola is to grow Suitable Area, such as extremely frigid zones in rhodiola.Preferably, nursery stage Select late April~mid-May after soil defrosting.
Since extremely frigid zones summer ultraviolet irradiation is strong, evaporation capacity is big and the temperature difference is big, winter soil multigelation, these environment Condition will will lead to rhodiola seed seedling-raising difficulty, it is preferred that the management of step e further includes summer management, pest and disease damage pipe Reason and overwinter management.
Preferably, summer management are as follows: summer day pays attention to the ventilative or cooling of sun glasshouse or seedling raising greenhouse, when temperature height After 30 degree, the ventilative window of sun glasshouse is opened in time, or opens the film of arch greenhouse surrounding, pays attention to closing vent window at night Or surrounding film is put down to keep warm, accomplish that daytime takes off night lid, ventilation is warming；
Pest management are as follows: attention control aphid, powdery mildew occur during nursery；
Overwinter management are as follows: seedling gradually starts sprout tumble (i.e. after the Frost's Descent of plateau) in late October, and it is thick that 0.5cm is covered after sprout tumble Seedling medium, and 5~10cm thickness straw screen or mat is covered, keep sun glasshouse or seedling raising greenhouse surrounding ventilative.
In addition, the management further includes next year management: before next year plateau thaws, opening straw screen or mat, water, keep seedlings nursing plate It is wet；Then summer management and winter management are carried out.
Seed after planting 23~24 months (after after planting the 3rd year thaws), rhodiola will be educated up to 5~10cm of height of seedling Seed plate moves out sun glasshouse or opens the film of greenhouse, after domestication Adaptable growth 15~20 days, seedling root diameter about 1.5~ 2.5cm can be transplanted in rainy days.
A specific embodiment of the invention is further described below with reference to embodiment, is not therefore limited the present invention System is among the embodiment described range.
Embodiment 1
1. seed collection and cleaning: Yu Qiuji mid or late September after rhodiola fruit just splits or splits, carefully cuts Lower fruit dries, and removes shell and impurity, cleans seed in room temperature preservation；
2. seedling raise period: the selection of extremely frigid zones (rhodiola growth Suitable Area) nursery stage after soil defrosting 4 below the moon Ten days~mid-May；
3. container for plant growth selects: the depth of seedlings nursing plate (container) should be not less than 10cm；
4. sowing media matches: taking plateau plantation soil, decomposed cow dung, vermiculite to prepare seedling medium in 4: 2: 1 ratios, will match After the matrix made is placed in sunning under the sun, sterilizes after loading container for plant growth, keep sowing interface smooth；Seed covers matrix Moisture is dried to moisture content not higher than 50%.
5. rearing condition: sun glasshouse or arch greenhouse are laid in sun glasshouse's seedling culture frame or arch with thicker film Nursery pond is formed in greenhouse on seedbed, and is put into clear water on film thereto；
6. thickness of sowing and mode: 425 seeds (weighing about 0.07g) of rhodiola seed uniformly being admixed 6L nursery and are covered In lid matrix, is uniformly sent out afterwards on the container for plant growth of 1 square metre of loading matrix, by this application rate and mix matrix ratios progress Practical operation, i.e., the seed of every square metre sowing 425 or so, earthing (i.e. matrix cladding thickness) about 0.6cm, by what is sowed Seedlings nursing plate (container) is put into rearing condition in 5, after matrix is saturated with full water, gives off remaining water in nursery pond.
7. irrigation water management of emerging: seed after planting 10 days or so start to emerge, and periodically discharge water to nursery pond, drain holding base Matter is wet, can be irrigated with auto spraying after height of seedling 5cm；
8. summer management: summer day (especially June to August) it should be noted that sun glasshouse or seedling raising greenhouse it is ventilative or cooling, After temperature is higher than 30 degree, the ventilative window of sun glasshouse is opened in time, or opens the film of arch greenhouse surrounding, pays attention to closing at night It closes vent window or puts down surrounding film to keep warm, accomplish that daytime takes off night lid；
9. nursery stage pest management: attention control aphid, powdery mildew occur during nursery.
10. overwinter management: rearing condition rhodiola seedling of the present invention gradually starts sprout tumble (i.e. plateau in late October After the Frost's Descent), 0.5cm thickness seedling medium is covered after sprout tumble, and cover thick straw screen or mat, keep sun glasshouse or seedling raising greenhouse surrounding saturating Wind.
11. next year manages: plateau should open straw screen or mat before thawing in time, water, and keep seedlings nursing plate wet；Summer next year and winter Ji Guanli is carried out as in 8,9；
Method and time 12. seedling is out of the garden: seed after planting 23~24 months (after after planting the 3rd year thaws) rhodiolas Seedlings nursing plate is moved out sun glasshouse or opens the film of greenhouse by 5~10cm of height of seedling, and after domestication Adaptable growth 15 days, seedling root is straight Diameter about 1.5~2.5cm is transplanted in rainy days.
The emergence rate and planting percent of this method are calculated, the result is shown in tables 1.Wherein, the calculation method of emergence rate are as follows: emergence Rate=seed sprouting quantity/sowing seed amount * 100%；The calculation method of planting percent are as follows: planting percent=next year emergence quantity/ Sow seed amount * 100%.
2 matrix components of embodiment are with comparison rhodiola nursery emergence and the influence of seedling
According to the method recorded in embodiment 1, only change matrix components, calculate the emergence rate and planting percent of this method, The result is shown in tables 1.
1. matrix components of table are with comparison rhodiola nursery emergence and the influence of seedling
Note: a, b, c indicate otherness in table, indifference between same letter expression group, variant between different letter expression groups.
Seen from table 1, different substrates show that seedling medium has rhodiola planting percent to planting percent variance analysis Significant impact (F(5,24)=5.06, P=0.01), selected matrix 5# (plantation soil, cow dung, vermiculite are by 4: 2: 1 proportions) and 6# base The emergence of confrontation rhodiola, seedling have more significant influence, and in general, 6# matrix purchase cost is higher, and commercially available matrix Predominantly peat soil, and the matched raw material soil of 5#, decomposed cow dung are available locally, and high and cold plantation soil is mainly mire soil, it is right It is save the cost for production, simple and easy.
The different seedling raising environments of embodiment 3 are emerged to rhodiola and the influence of seedling
According to the method recorded in embodiment 1, only change seedling raising environment, calculate the emergence rate and planting percent of this method, The result is shown in tables 2.
The different seedling raising environments of table 2. are emerged to rhodiola and the influence of seedling
Note: indicating otherness with a, b, c, indifference between same letter expression group, variant between different letter expression groups.
As can be seen from Table 2, different seedling raising environments show seedling raising environment seedling raising environment to big premium scape planting percent variance analysis Its seed seedling-raising has extremely significant influence (F(2,12)=134.52, P=0.00), since rhodiola seed is small, mass of 1000 kernel is only 0.18g or so, seedling management is particularly important, and open country nursery is strong by altitude environment radiation, evaporation capacity is big, and planting percent is lower, and Its planting percent is significantly improved in greenhouse and substrate seedling condition, therefore has selected suitable seedling raising environment.
Influence of the 4 matrix cladding thickness of embodiment to root of kirilow rhodiola nursery
According to the method recorded in embodiment 1, the matrix cladding thickness in 6 is only changed the step, the emergence of this method is calculated Rate and planting percent, the result is shown in tables 3.
Influence of the 3. matrix cladding thickness of table to root of kirilow rhodiola nursery
Note: matrix cladding thickness is in terms of every square of product seed dressing matrix volume, to estimate thickness.In table**It indicates in P=0.01 It is horizontal significant.
Table 3 as it can be seen that cladding thickness to rhodiola planting percent have significant impact, since rhodiola is too small, It is difficult to uniformly sow, the present invention uses the matrix with water content lower than 50% uniformly to dress seed, with the body of unit area covering matrix Product is to calculate cladding thickness, research shows that in 6L/m2It is best that i.e. about seed dressing matrix, which is covered as 0.6cm or so,.
Influence of 5 sowing quantity of embodiment to rhodiola planting percent
According to the method recorded in embodiment 1, only change the step the sowing quantity in 6, calculate this method emergence rate and Planting percent, the result is shown in tables 4.
Influence of 4. sowing quantity of table to rhodiola planting percent
Note: in table**Indicate horizontal significant in P=0.01.
Table 4 as it can be seen that sowing quantity to rhodiola nursery effect tool have a certain impact, since rhodiola is too small, It being difficult to uniformly sow, the present invention uses the matrix with water content lower than 50% uniformly to dress seed, quantitative seed is sowed with unit area, A quantity of seeds is admixed after covering matrix in uniform broadcasting to Seedlings nursery or disk, research shows that application rate is 425/m2 When, planting percent is higher, though application rate is few to influence less planting percent, cost of idleness, seedling density after the too big emergence of application rate Greatly to influence planting percent.

Claims (9)

1. a kind of method for culturing seedlings for improving rhodiola planting percent, which comprises the steps of:
A, prepare nursery pond and seedling medium: in sun glasshouse or arch greenhouse, being laid in sun glasshouse's seedling culture frame with film Or on arch greenhouse seedbed, nursery pond is formed, and clear water is put on film；
Plantation soil, decomposed cow dung, vermiculite are mixed according to volume ratio 3~5: 1~3: 1, sunning, sterilization obtain seedling medium；
B, it dresses seed: rhodiola seed is admixed in nursery covering matrix, wherein in every 6L nursery covering matrix, admix big 360~480, premium red-spotted stonecrop seed, the nursery covering matrix are the seedling medium that moisture content is not higher than 50%；
C, it sows: the seed after seed dressing uniformly being sent out on the container for plant growth equipped with seedling medium, one layer of nursery is then covered Matrix, the density of sowing are that 360~480 seeds are sowed on every square metre of seedling medium；
D, it is put into nursery pond: the container for plant growth sowed is put into nursery pond, after seedling medium is saturated with full water, gives off and educate Remaining water in Miao Chi；
E, it manages: including irrigation water management, the irrigation water management are as follows: seed is not unearthed and Seedling Stage to nursery pond by discharging water and arranging Water keeps the seedling medium wet, is irrigated after height of seedling 5cm using auto spraying；
F, seedling is out of the garden: after 5~10cm of rhodiola height of seedling, container for plant growth being moved out sun glasshouse or opens arch greenhouse Film is transplanted after domestication Adaptable growth 15~20 days in rainy days.
2. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that:, will in a step Plantation soil, decomposed cow dung, vermiculite are mixed according to volume ratio 4: 2: 1.
3. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that: in b step, often 6L nursery covers in matrix, admixes rhodiola seed 425.
4. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that: in step c, broadcast The density of kind is that 425 seeds are sowed on every square metre of seedling medium.
5. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that: in step c, educate Seedling container depth is not less than 10cm, and bottom is permeable.
6. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that: in step c, cover Lid seedling medium with a thickness of 0.4~0.8cm；It is preferred that covering seedling medium with a thickness of 0.6cm.
7. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that: seedtime is Late April~mid-May.
8. the method for culturing seedlings according to claim 1 for improving rhodiola planting percent, it is characterised in that: the pipe of step e Reason further includes summer management, pest management and overwinter management.
9. the method for culturing seedlings according to claim 8 for improving rhodiola planting percent, it is characterised in that:
Summer management are as follows: summer day pays attention to the ventilative or cooling of sun glasshouse or seedling raising greenhouse, after temperature is higher than 30 degree, and When open the ventilative window of sun glasshouse, or open the film of arch greenhouse surrounding, pay attention to closing vent window at night or put down surrounding Film accomplishes that daytime takes off night lid to keep warm；
Pest management are as follows: attention control aphid, powdery mildew occur during nursery；
Overwinter management are as follows: seedling gradually starts sprout tumble in late October, covering 0.5cm thickness seedling medium after sprout tumble, and covering 5~ 10cm thickness straw screen or mat keeps sun glasshouse or seedling raising greenhouse surrounding ventilative.
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CN101361446A (en) * 2008-10-15 2009-02-11 四川省川草工程咨询招标有限责任公司 Rhodiola seed seedling-raising method and cultivation method
CN106561229A (en) * 2016-11-01 2017-04-19 中国科学院植物研究所 Cultivation method increasing content of effective components of rhodiola crenulata
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