CN109452062A - A kind of dalbergia odorifera breeding nursery research method - Google Patents
A kind of dalbergia odorifera breeding nursery research method Download PDFInfo
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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
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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
- A01G2/00—Vegetative propagation
- A01G2/10—Vegetative propagation by means of cuttings
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Abstract
The invention discloses a kind of dalbergia odorifera breeding nursery research methods, comprising the following steps: s1. collecting seed selects select tree, and builds germplasm resource bank；S2. seed germination experiment, statistics percentage of seedgermination, potentiality of seed and germination index are carried out；S3. nursery lot is selected, a variety of thicknesss of sowing are arranged according to the germination test result and are sowed, record seeding stage data, and observe each group emergence；S4. setting cuttage seedbed carries out cuttage；S5. compare the growing state of dalbergia odorifera seed Different sowing ways, the increment of influence and dalbergia odorifera tree seedling different densities that different growth regulators sprout seed；Observe the growth rhythm of dalbergia odorifera nursery stock；S6. the cuttage and quick-propagations technologies such as the thin bed cuttage of shade moisturizing cubsoil, full exposure be spraying, the influence that research dalbergia odorifera different parts fringe bar, cutting length and cutting medium grow cuttage rooting are established；The plantation and development of dalbergia odorifera can be effectively instructed using method of the invention.
Description
Technical field
The invention belongs to dalbergia odorifera nursery fields, and in particular to a kind of dalbergia odorifera breeding nursery research method.
Background technique
Dalbergia odorifera (Dalbergia odorifera T.Chen) also known as Huanghua Pear, rosewood etc. belong to leguminous plant butterfly
Shape spends subfamily Dalbergia fragrant branch wood class, is the distinctive rare tree species in Hainan, is listed in Chinese Second Class Key Protected Plant, is national standard
5 belong to one of 33 kinds of 8 class, and material texture interlocks, compact structure, and hard extremely heavy, decorative pattern is beautiful after finishing, and gloss is glossy, has
Aromatic odor never cracks, indeformable, pole corrosion resistant moisture-proof after dry, is the upper of the rare furniture of production, the exquisite craftwork of engraving etc.
Etc. using material.Dalbergia odorifera in 2000 is afforested 400 mu on III class hills hillside of Xianyou book peak orchid stone soil depletion, life in 1 year
Plant mean height 1.6m, average ground diameter 1.9cm, the maximum high 2.3m of plant, ground diameter 2.6cm, the speed of growth is not slow, shows very strong
Adaptability and fast-growing character.Since 2005, country attaches great importance to the development of rare commerical tree species, and it is excellent to give full play to hill-land resource
Gesture sets up rare commerical tree species construction of base leading group, formulates rare commerical tree species construction of base development plan and embodiment party
The permanent mechanism and development model of rare tree species development are established in case, further investigation, and Putian City has built dalbergia odorifera wood name at present
2.12 ten thousand mu of your commerical tree species, wherein about 7000 mu of dalbergia odorifera.It is practiced from afforestation, a variety of rare tree species nursery stocks can be in Pu
The plantation of field area and development, no matter afforestation or field side plantation all well-growns in flakes, and due to taking intensive management to arrange
It applies, growth of young plantations speed is fast and adaptability is good, with development potential.
Summary of the invention
The purpose of the present invention is: a kind of dalbergia odorifera breeding nursery research method is probed into out, this method can effectively refer to
Lead the plantation and development of dalbergia odorifera.
To realize the above-mentioned technical purpose, The technical solution adopted by the invention is as follows: a kind of dalbergia odorifera breeding nursery is studied
Method, which comprises the following steps:
S1. select tree collecting seed is selected, fruit acquisition is carried out to selected select tree, measures the character of seed, and build kind
Matter resources bank；
S2. seed germination experiment, statistics percentage of seedgermination, potentiality of seed and germination index are carried out；
S3. nursery lot is selected, a variety of thicknesss of sowing are arranged according to the germination test result and are sowed, the seeding stage is recorded
Data, and observe each group emergence；
S4. setting cuttage seedbed carries out cuttage；
S5. compare the growing state of dalbergia odorifera seed Different sowing ways, different growth regulators sprout seed
The increment of influence and dalbergia odorifera tree seedling different densities；Observe the growth rhythm of dalbergia odorifera nursery stock；
S6. it is different that cuttage and quick-propagations technology, the research dalbergia odoriferas such as the thin bed cuttage of shade moisturizing cubsoil, full exposure be spraying are established
The influence that position fringe bar, cutting length and cutting medium grow cuttage rooting；
Further, in the step s1, the increment of the select tree should be in range of choice preferably or close to best
Single plant, using indexs such as the age of tree, increment, form quality, wood basic density, health status as selection standard；Measure the character of seed
Including measuring its length, width and weight；
Further, it in step s2, when carrying out the seed germination experiment, before sowing, is soaked with 0.5% liquor potassic permanganate
The full seed 30min of dalbergia odorifera is steeped, after taking out clean dry, places into each strength solution of GA3, IBA, 6-BA and impregnates
3h takes out after Seed imbibition, is placed in the culture dish filter paper sterilized, if multiple processing, and set distilled water seed soaking as pair
According to, keep filter paper moist during test, and record the germination date, statistics germination grain number, percentage of seedgermination, potentiality of seed and
Germination index；
Further, in step s3, hidding and sunny side should be selected, is had abundant water resources, the location of fertile soil, as nursery lot；
Soil disinfection is carried out before sowing, the cleaning of surrounding pathogeny object calculates sowing per acre for every tree species according to the size of germination percentage
Amount；The emergence time started, Duration ofsprouting, nursery germination percent should be recorded in the seeding stage, and combines regularly insect pest preventing and controlling；Seedling
In the wooden cultivating process, peak period first time should be carried out in peak period, Fast-growing stage and Later growth respectively according to seedling growth characteristic
Fertilising, spray 0.2% potassium dihydrogen phosphate every 5d later, and to garden in time weeding loosen the soil, top dressing, thinning；In the seed
On the basis of test result, after the gibberellin of seed suitable concentration is pre-processed, it is seeded in preferred matrix, and set more
The different thickness of sowing of kind, observes and records output of seedling, ground diameter and the height of seedling of seedling；
Further, in step s4, slotting machine uses 0.5%KMnO before cuttage4Matrix is sterilized, shines 2- under the sun after disinfection
Cuttage after 3h；And these three matrix of chiltern, yellow soil, composite soil are respectively adopted and carry out cuttage；Meanwhile cuttings is cut into long 15-
Cutting should be grouped together by the cutting of 20cm, the most upper terminal bud of cutting notch away from upper cut 1-1.5cm by different positions,
It is bundled into wisp, and is impregnated with root-inducing powder ABT1 50ppm, soaking time is respectively 8h, 12h, 16h, finally eucalyptus routinely
Cuttage and seedling culture method carries out cuttage and management；
Further, in step s5, in the relatively growing state of dalbergia odorifera seed Different sowing ways, should be arranged thin
Film covers three kinds of seeding methods of open country nursery and land nursery after nursery, vernalization, and is respectively compared it and starts seedling-growing time, complete
Seedling-growing time and emergence rate；It, should more different growth regulators in the influence that more different growth regulators sprout seed
The mean germination sum of treated seed, average germination percentage, averagely start to germinate number of days, mean germination gesture and mean germination refer to
Number；In the relatively increment of dalbergia odorifera tree seedling different densities, the average height of seedling of different densities tree seedling should be compared, be averaged
Ground diameter and average main root are long；When observing the growth rhythm of dalbergia odorifera nursery stock, seed 2 months of sprouting should be selected to be sown into seedling bed,
About 45d comes up, and starts March to measure dalbergia odorifera Seedling height growth, ground diameter；
Further, it in step s6, when studying the influence that dalbergia odorifera difference cutting length grows cuttage rooting, answers
Interception 1 grade of side shoot of dalbergia odorifera is cuttings, test is compared with 3 kinds of 8cm, 12cm and 20cm etc. different cutting lengths, in l2
The investigation of the last ten-days period moon, and t inspection is made to data；When studying the influence that cutting medium grows cuttage rooting, matrix application bamboo charcoal
Fertilizer and moth stone addition Nutrition Soil compare test, and fringe bar uses 2 years raw side shoots, and cutting length 12cm is investigated in late December,
And t inspection is made to data.
Specific embodiment
In order to make those skilled in the art that the present invention may be better understood, below with reference to embodiment to the technology of the present invention
Scheme further illustrates.
Collecting seed select select tree
Currently, the distribution of dalbergia odorifera wildwood is few, substantially felled totally, the dalbergia odorifera of early stage artificial cultivation
Because losing pipe without growing into forest, the existing forest that can be remained, majority is fragmentary distribution or " by the of four " woods, therefore can only be at these
Seed and fringe bar are acquired in reserve.For the status that current seedling scarcity and the good and the bad mix, need collecting seed to select select tree,
By working out selection method and selection criteria, effectively fine individual plant is selected and promoted and applied.In addition to growth is fast
Also to select the measured strain of wood quality, first is that want avocado, second is that the high forest of the heart (material) rate as select tree, acquire its seed or
Fringe bar is bred.
Using wildwood or seeding planting as object, using five plants of dominant comparative methods.As select tree, increment should be
Preferably or close to best single plant in range of choice, with indexs such as the age of tree, increment, form quality, wood basic density, health status
For selection standard.
Fruit acquisition is carried out to selected select tree, measures the character of seed
During fruit maturation, the acquisition of fruit is carried out to selected select tree, measures length, width, weight of seed etc..
Dalbergia odorifera is deciduous tree, is bloomed in the Fujian 5-6 month, inflorescence and ovary slightly by pubescence outside, remaining is hairless.Sprig
It is close smooth, there is hole skin, it is coarse compared with old branch, there is subsphaeroidal lateral bud.A time pinnate compound leaf, leaflet alternate, top have 1 it is larger,
Long 15-25cm.Small blade face bottle green, below celadon, oval or width egg shape, long 4-6cm, the long 0.3-0.5cm of petiole.Circular cone flower
Sequence axillary, long 8-10cm, branch is at the corymb shape long 3-5cm of total bennet, the raw nearly triangle bract of base.Spend long 5mm, corolla cream
White or faint yellow, each valve is closely isometric.9 pieces of stamen, monomer.The narrow ellipse circular of ovary has 2.5mm long handle.Pod ligule ellipse,
Yellowish-brown when mature, long axis d fruit length=1.60-2.05cm, average out to 1.88cm, short axle d fruit is short=1.20-1.45cm, it is average
For 1.30cm, a fruit includes a seed, fruit average thickness about 1.32cm；Seed ellipse, long axis d kind length=
1.00-1.25cm, average out to 1.14cm, short axle d kind is short=0.65-0.80cm, average out to 0.71cm；Thickness of seed d kind thickness=
0.21cm plants wooden, the crisp easy removal of exosper matter of skin depth about 0.4-0.6mm.Broken pericarp is rubbed after shade is dry, takes out seed, pod
Mass of 1000 kernel m fruit=185.75g, thousand grain weigth m fruit=75.85g.
Build germplasm resource bank
It concentrates a place to be saved the select tree selected, builds germplasm resource bank.
Carry out seed germination experiment
Seed germination experiment carries out in cool canopy, 3d before sowing, and it is full to impregnate dalbergia odorifera with 0.5% liquor potassic permanganate
Seed 30min, take out clean dry after, place into each strength solution of GA3, IBA, 6-BA and impregnate 3h, after Seed imbibition
It takes out, is placed in the culture dish filter paper sterilized, 25, every ware.If 9 processing, respectively C1:GA320mg/L, C2:
GA350mg/L, C3:GA380mg/L, C4:IBA20mg/L, C5:IBA 50mg/L, C6:IBA 80mg/L, C7:6-BA20mg/
L, 1, the every ware of C8:6-BA50mg/L, C9:6-BA 80mg/L processing, 3 repetitions, if distilled water seed soaking is control (CK).Test
Keep filter paper moist in the process, and record germination date, statistics germination grain number (setting the same day of bed as 1d) etc..Germination
The seed for rate (%)=normally germinate/for examining seed sum × l00%；Potentiality of seed (%)=germinative number most same day and
Seed number × 100%: germination index: ∑ (Gt/Dt) is planted experimentally in the sum of seed grain number normally germinateed before/confession, and Gt is the t days
Germinative number.Dt is corresponding germination number of days.
Select nursery lot
Hidding and sunny side is selected, is had abundant water resources, 10 mu of the location of fertile soil, as nursery lot.Soil is carried out before sowing
Disinfection, the cleaning of surrounding pathogeny object.According to the size of germination percentage, the amount of sowing per acre of every tree species is calculated.
A variety of thicknesss of sowing are arranged to be sowed
On the basis of previous test result, after the gibberellin of seed suitable concentration is pre-processed, it is seeded in preferably
Matrix on.If 10.0,15.0,20.0g/m2,3 kinds of different thicknesss of sowing, observe and record the output of seedling of seedling, ground diameter and
Height of seedling.
Emergence period management
Seeding stage should record the emergence time started, Duration ofsprouting, nursery germination percent, and regularly disease pest is anti-for combination
It controls；According to seedling growth characteristic, the fertilising of peak period first time is carried out in peak period, Fast-growing stage and Later growth respectively, it is later every
0.2% potassium dihydrogen phosphate is sprayed every 5d.To garden weeding in time loosen the soil, top dressing, thinning etc..
Before seedling overwintering, notice that winter is cold-proof, promote nursery stock lignifying, suitably reduction Shading time, increase light application time,
Enhance Resistance of seedling.
Cuttage seedbed is set and carries out cuttage
Use simple slotting machine specification for 1.0m (width) × 0.3m (height) × 0.3m (furrow width), slotting machine lower layer is 10cm vegetable garden soil
Or directly make bed on vegetable soil, upper layer is the composite soil of 20cm.Slotting machine sterilizes matrix with 0.5%KMnO4 before cuttage, disappears
The cuttage after solarization 2-3h under the sun after poison.
Cutting medium is respectively adopted these three matrix of chiltern, yellow soil, composite soil and carries out cuttage.Chiltern: suitable using thickness
In cleaning river sand, washing is clean stand-by.Composite soil: based on yellow soil, incorporation fine sand and baked wheaten cake soil, ratio do 3 by 7:2:1
A processing, every processing 100.
Cuttings is cut into the cutting of long 15-20cm, the most upper terminal bud of cutting notch should be away from upper cut 1-1.5cm, as far as possible
Select fuller bud as terminal bud.Cutting is grouped together by different positions, is bundled into wisp, and with root-inducing powder ABT1
50ppm impregnates, and soaking time is respectively 8h, 12h, 16h.Cottage method, on the ridge for having put and having kept ground moistening in order
Upper cuttage, seeding row spacing are controlled in 20 × 20cm, and cuttage and seedling culture method routinely carries out cuttage and management.
Compare the growing state of dalbergia odorifera seed Different sowing ways
Different seedling raising manners nursery are used it can be seen from the test of table 1, emergence rate and seedling-growing time are widely different.Examination
Test and show: the insemination and emergence time, completion seedling-growing time was 49d, differs 8d, and emergence rate is up to for 41d after seed uses vernalization
72.3%, emergence is neat；Use film covering nursery seedling-growing time for 47d, completion seedling-growing time is 53d, differs 6d, emergence rate
It is 70.3%, emerges more neat；Using open country nursery, seedling-growing time 53d, completion seedling-growing time is 60d, differs 7d, emergence
Rate only 51.0%, and it is irregular to emerge.
The growth of 1 dalbergia odorifera seed Different sowing ways of table is compared
Compare the influence that different growth regulators sprout seed
The influence that different growth regulators sprout seed is shown in Table 2.The seed crossed with plant growth regulator treatment is average
Germinating energy is above CK.The highest processing of mean germination gesture is 6-BA 80mg/L (70.67%), is secondly 6-BA50mg/L
(60.00%), the dalbergia odorifera seed mean germination gesture size respectively handled is successively are as follows:
6-BA 80mg/L>6-BA 50mg/L>IBA 20mg/L>GA3 20mg/L>GA3 50mg/L>6-BA 20mg/L>
IBA 80mg/L>GA380mg/L>IBA 50mg/L>CK.Illustrate the plant growth regulator selected in this research to dalbergia odorifera
Seed can play the role of improving seed mean germination gesture, when plant growth regulator type and concentration difference, to seed
Facilitation effect have certain difference, and 6-BA is obvious to the effect for improving seed mean germination gesture.By calculate it is found that
Seed mean germination gesture after plant growth regulator treatment is 1.12-2.12 times of control.
Growth regulator is that measurement germination overall process is fast to the influence seed germination index of seed mean germination index
The index of slow degree.As known from Table 1, plant growth regulator is improved dalbergia odorifera seed germination index and reduced difference
Effect depends mainly on selected plant growth regulator type and its concentration.In this research, each processing is to dalbergia odorifera kind
Sub- mean germination exponential effect effect is successively are as follows:
CA350mg/L>6-BA 80mg/L>6-BA 50mg/L>GA3 20mg/L>GA3 80mg/L>IBA 20mg/L>6-
BA20mg/L>CK>IBA 50mg/L>IBA 80mg/L.Dalbergia odorifera seed germination index is played most preferably in 50mg/LGA processing
Effect.6-BA is conducive to cell division, the raising of concentration.Be conducive to dalbergia odorifera seed and improve speed of germination.
2 dalbergia odorifera germination index of table
Observe the growth rhythm of dalbergia odorifera nursery stock
Select that sprouts to be sown into seedling bed within seed 2 months, about 45d comes up, and starts March to measure the life of dalbergia odorifera height of seedling
Long, ground diameter.
3 dalbergia odorifera seed Different sowing ways of table grow comparative unit: ㎝
As can be seen from Table 3, dalbergia odorifera seedling-height growth amount peak period is June to September, one year seedling whole year height increament
For 24 ㎝, the 54.2% of annual increment is accounted for June to September part height increment of seedlings, Collar diameter growth peak period is August to September, 10
It month is growth withholding period to October to December, it can be seen that, annual seedling should not go up a hill afforestation, and the nursery stock that is out of the garden was with 2 years
Life is advisable.
Compare the increment of dalbergia odorifera tree seedling different densities
By table 4, table 5 it is found that the influence that grows to dalbergia odorifera sowing nursery stock of different seeding quantity is very big, 20.1 plants/m2 and
25.2 plants/m2 is substantially better than 30.3 plants/m2, and height of seedling, ground diameter are all larger, and main cause is the big Vegetation space of stocking
It is small.From yield index (table 6), application rate is best with 8 pounds/acre, I, II grade of seedling yield highest.Therefore, comprehensive output and quality
Consider, dalbergia odorifera application rate is advisable with 8 pounds/acre.
The growth of 4 dalbergia odorifera tree seedling different densities of table is compared
5 dalbergia odorifera tree seedling different densities yield index of table compares
Dalbergia odorifera vegetative propagation technique
The cuttage and quick-propagations technologies such as the thin bed cuttage of shade moisturizing cubsoil, full exposure be spraying are established, dalbergia odorifera difference portion is studied
The influence of position fringe bar and cuttage rooting growth, the results are shown in Table 6.
Dalbergia odorifera different parts fringe bar is selected, its height of seedling under full exposure spray condition, ground diameter and effect of taking root are studied
Fruit, studies have shown that compared with the control, 1 grade of side shoot can extremely significant raising cutting plantation, number of taking root；2 grades of side shoots are remarkably improved
Cutting plantation, number of taking root illustrate that dalbergia odorifera leading shoot cuttage is unfavorable for root growth.
The relationship of 6 dalbergia odorifera different parts fringe bar of table and cuttage rooting growth
Note: t0.01=2.66, t0.05=2.00
The influence that cutting length grows cuttage rooting
Interception 1 grade of side shoot of dalbergia odorifera is cuttings, compares examination with 3 kinds of 8cm, 12cm and 20cm etc. different cutting lengths
It tests, is investigated in the l2 last ten-days period month, and t inspection is made to data, the results are shown in Table 7.
As can be seen from Table 7, different length cuttings to rooting percent, adventitious root quantity and adventitious root effect length compared with
Greatly, wherein there are extremely significant influences on rooting rate.Different length cuttings influences size successively to rooting rate are as follows: and 12cm > 20cm >
8cm (ck), the above two are higher by 137.5% and 87.3% than control respectively.Different length cuttings is to indefinite radical and indefinite root long
The influence of degree is not significant, and the adventitious root quantity of 8cm long cuttings is more, the adventitious root length longest of 20cm long cuttings, respectively than preceding
The two increases by 65.02% and 34.48%.Research to European elder cuttage root-taking type is it is found that dalbergia odorifera cuttage 35d is opened
Begin to take out the tip, just start to take root after 84d, takes out the tip and rootage duration interval is longer.Cuttings is too short, and fringe bar contained humidity itself is few, no
And take root and just dry up, rooting rate is low；Cuttings is too long, and evaporation water is more, is also easy dehydration, unfavorable to take root.
The relationship of 7 dalbergia odorifera difference cutting length of table and cuttage rooting growth
Note: t0.01=2.66, t0.05=2.00
The influence that cutting medium grows cuttage rooting
Matrix compares examination with bamboo charcoal fertile (bamboo charcoal 70%, organic fertilizer 10%, red heart soil 20%) and moth stone+Nutrition Soil
It tests, fringe bar uses 2 years raw side shoots, and cutting length 12cm is investigated in late December, and made t inspection to data, the results are shown in Table 8.
As can be seen from Table 8, dalbergia odorifera cutting survival is related with its matter, and different cutting mediums take root life to dalbergia odorifera
It is long that there are extremely significant differences.Matrix selects fertile (from the major product) transplanting survival rate of bamboo charcoal to be up to 98%, is taken second place with yellow soil matrix,
Matrix is moth stone+Nutrition Soil survival rate up to 85%, and bamboo charcoal fertilizer is selected to make matrix, and fringe bar, which no longer needs to move into Nutrition Soil, to be grown,
Bamboo charcoal fertilizer can keep organic nutrition composition abundant, nursery stock energy healthy growth, until to afforestation of going up a hill in the long period.
8 different substrates of table take root the influence survived to dalbergia odorifera fringe bar
Note: matrix bamboo charcoal fertile (bamboo charcoal 70%, organic fertilizer 10%, red heart soil 20%) and moth stone+Nutrition Soil (moth Shi Yuying
Support soil 1: 1).
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (7)
1. a kind of dalbergia odorifera breeding nursery research method, which comprises the following steps:
S1. select tree collecting seed is selected, fruit acquisition is carried out to selected select tree, measures the character of seed, and build germplasm money
Source library；
S2. seed germination experiment, statistics percentage of seedgermination, potentiality of seed and germination index are carried out；
S3. nursery lot is selected, a variety of thicknesss of sowing are arranged according to the germination test result and are sowed, record emergence issue
According to, and observe each group emergence；
S4. setting cuttage seedbed carries out cuttage；
S5. compare the growing state of dalbergia odorifera seed Different sowing ways, the influence that different growth regulators sprout seed,
And the increment of dalbergia odorifera tree seedling different densities；Observe the growth rhythm of dalbergia odorifera nursery stock；
S6. the cuttage and quick-propagations technologies such as the thin bed cuttage of shade moisturizing cubsoil, full exposure be spraying are established, dalbergia odorifera different parts are studied
The influence that fringe bar, cutting length and cutting medium grow cuttage rooting.
2. dalbergia odorifera breeding nursery research method according to claim 1, it is characterised in that: in the step s1, institute
The increment for stating select tree should be basic with the age of tree, increment, form quality, timber in range of choice preferably or close to best single plant
The indexs such as density, health status are selection standard；The character for measuring seed includes measuring its length, width and weight.
3. dalbergia odorifera breeding nursery research method according to claim 1, it is characterised in that: in step s2, carry out institute
When stating seed germination experiment, before sowing, the full seed 30min of dalbergia odorifera is impregnated with 0.5% liquor potassic permanganate, taking-up is washed
Only it after drying, places into each strength solution of GA3, IBA, 6-BA and impregnates 3h, taken out after Seed imbibition, be placed in and sterilized
In culture dish filter paper, if multiple processing, and distilled water seed soaking is set as control, it is moist that filter paper is kept during test, and records hair
Bud date, statistics germination grain number, percentage of seedgermination, potentiality of seed and germination index.
4. dalbergia odorifera breeding nursery research method according to claim 1, it is characterised in that: in step s3, should select
Hidding and sunny side is had abundant water resources, the location of fertile soil, as nursery lot；Soil disinfection is carried out before sowing, surrounding pathogeny object
Cleaning, according to the size of germination percentage, calculates the amount of sowing per acre of every tree species；
The emergence time started, Duration ofsprouting, nursery germination percent should be recorded in the seeding stage, and combines regularly insect pest preventing and controlling；
During cultivating seedlings, it should be carried out for the first time in peak period, Fast-growing stage and Later growth respectively according to seedling growth characteristic
Peak period fertilising, sprayed 0.2% potassium dihydrogen phosphate every 5 days later, and to garden in time weeding loosen the soil, top dressing, thinning；
On the basis of the seed-test result, after the gibberellin of seed suitable concentration is pre-processed, it is seeded in preferably
Matrix on, and set a variety of different thicknesss of sowing, observe and record output of seedling, ground diameter and the height of seedling of seedling.
5. dalbergia odorifera breeding nursery research method according to claim 1, it is characterised in that: in step s4, slotting machine exists
0.5%KMnO is used before cuttage4Matrix is sterilized, shines cuttage after 2-3h after disinfection under the sun；And be respectively adopted chiltern, yellow soil,
These three matrix of composite soil carry out cuttage；Meanwhile cuttings being cut into the cutting of long 15-20cm, the most upper terminal bud of cutting notch
Cutting should be grouped together away from upper cut 1-1.5cm by different positions, be bundled into wisp, and soaked with root-inducing powder ABT1 50ppm
Bubble, soaking time are respectively 8h, 12h, 16h, and finally eucalyptus cuttage and seedling culture method routinely carries out cuttage and management.
6. dalbergia odorifera breeding nursery research method according to claim 1, it is characterised in that: in step s5, comparing
When the growing state of dalbergia odorifera seed Different sowing ways, open country nursery and land after film covering nursery, vernalization should be set
Three kinds of seeding methods of nursery, and be respectively compared it and start seedling-growing time, complete seedling-growing time and emergence rate；
It, should more different growth regulators treated seeds in the influence that more different growth regulators sprout seed
Mean germination sum, averagely starts germinate number of days, mean germination gesture and average germination index at average germination percentage；
In the relatively increment of dalbergia odorifera tree seedling different densities, the average height of seedling of different densities tree seedling should be compared, put down
Equal ground diameter and average main root are long；
When observing the growth rhythm of dalbergia odorifera nursery stock, seed 2 months of sprouting should be selected to be sown into seedling bed, about 45d comes up,
Start March to measure dalbergia odorifera Seedling height growth, ground diameter.
7. dalbergia odorifera breeding nursery research method according to claim 1, it is characterised in that: in step s6, research
When the influence that dalbergia odorifera difference cutting length grows cuttage rooting, should intercept 1 grade of side shoot of dalbergia odorifera be cuttings, with 8cm,
3 kinds of 12cm and 20cm etc. different cutting lengths compare test, investigate in the l2 last ten-days period month, and make t inspection to data；
When studying the influence that cutting medium grow cuttage rooting, matrix application bamboo charcoal fertilizer and eats into stone and add Nutrition Soil and carry out pair
Than test, fringe bar uses 2 years raw side shoots, and cutting length 12cm is investigated in late December, and made t inspection to data.
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| CN109937725A (en) * | 2019-05-07 | 2019-06-28 | 浙江省亚热带作物研究所 | A kind of method of dalbergia odorifera softwood cutting propagation |
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