CN102301944A - Method for cultivating seedlings of Aegiceras corniculatum by fresh water - Google Patents
Method for cultivating seedlings of Aegiceras corniculatum by fresh water Download PDFInfo
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Abstract
The invention discloses a method for cultivating seedlings of Aegiceras corniculatum by fresh water and aims to provide a seedling cultivating method with a high seedling survival rate. The technical essentials successively comprise the following steps of: (1) immersing fresh plumular axes with good ripeness into water with a temperature in a range of 25-35 DEG C for 3-4 days; and changing clean water for one time each day to accelerate germination; (2) taking out the immersed plumular axes and selecting the plumular axes with embryos which start to stretch and break fruit ends of seed coats; inserting the fruit ends of the plumular axes into a seedling culture bag filled with seedling culture matrix, wherein the culture matrix is composed of soil and river sand in the volume ratio of 1-4 to 0-1; cultivating the fruit ends of the plumular axes for 52-60 days under the conditions that the illumination intensity is 1000-7500 Lux, the temperature is a range of 20-35 DEG C and the humidity is 50-98%; after the seedlings of Aegiceras corniculatum grow more than 2-4 leaves, planting the seedlings. The method provided by the invention belongs to the technical field of planting.
Description
Technical field
The present invention relates to a kind of fresh water and cultivate the method for Aegiceras corniculatum seedling, belong to the planting technique field.
Background technology
Aegiceras corniculatum (Aegiceras Corniculatum) is that Myrsinacea (Myrsinaceae) candle really belongs to (Aegiceras Gaertn) as a kind of important, and shrub or dungarunga are common mangrove forest seeds, and bark is level and smooth, and is reddish brown to grey black; The leaf alternate, keratin has the salt system of secreting, and petiole has redness, and blade tip has indentation; Inflorescence becomes umbrella, and give birth on the top or armpit is given birth to, spend tiny, white, both sexes, 5 radixes are between the florescence spring and summer; The fruit phase 5-9 month, fruit (plumular axis) is elongated, and is latent viviparous, and bottle-green part is embryo (accounts for fruit 90%) in the fruit, is about 3-6cm, cylindricality and bend, and the top point is and angles shape, comes off naturally during maturation; Well developed root system has prop root and knee root.The mangrove forest seeds that Aegiceras corniculatum belongs to is more low temperature resistant, blazon, adaptability is strong, can form singly to plant group or as the lower floor shrub of other mangrove forest, be suitable for river mouth beach plantation, is distributed in Guangdong, Guangxi, Fujian and the South China Sea Islands.At present the research of Aegiceras corniculatum afforestation technique only is confined to have on the seawater beach in tidal period and carries out, planting percent is up to 83.4%, and its fresh water seedling-cultivating method does not appear in the newspapers.In order to give full play to the ecological benefits of mangrove forest; Enlarge its habitat and range of application; In the Meizhou (whole geographical coordinate be positioned at 115 ° 18 of east longitude ' to 116 ° 56 '; 23 ° 23 of north latitude ' to 24 ° 56 ' between) mangrove plant Aegiceras corniculatum fruit carried out fresh water sprout and the growth of seedling planting experiment; Improve the Aegiceras corniculatum planting percent, have important theoretical and realistic meaning.Both can be and utilized mangrove plant to carry out the afforestation of freshet, lake, reservoir beach, and purified fresh water environment scientific basis is provided, also can be land afforestation screening seeds.
Summary of the invention
The object of the invention just provides the method that a kind of fresh water is cultivated the Aegiceras corniculatum seedling, and the Aegiceras corniculatum planting percent reaches the breeding method more than 95%.
The present invention can realize in the following manner: a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, comprises the steps: that successively (1) choose the good fresh plumular axis of maturity and in 25～35 ℃ of water, soaked 3～4 days, changes 1 vernalization of clear water every day; (2) plumular axis after taking-up is soaked; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of the base of fruit end of plumular axis is equipped with in the Seedling bag of seedling medium; In intensity of illumination 1000～7500Lux, 20～35 ℃ of temperature, humidity 50～98%; Cultivated 52～60 days, the Aegiceras corniculatum seedling grows 2～4 and can plant more than the leaf.
Above-mentioned a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, and described seedling medium is that 1～4: 0～1 soil and river sand are formed by volume ratio, and the water content of seedling medium is 75～98%.
Further, above-mentioned a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, and described seedling medium is that 1～3: 1 soil and river sand are formed by volume ratio.
Further, above-mentioned a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, the described cultivation of step (2) be place Seedling bag on the corridor of 20～35 ℃ of temperature, humidity 50～98% or full sun natural place cultivate.
Further, above-mentioned a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, and the described cultivation of step (2) is Seedling bag to be placed in the plastic seeding culturing case cultivate, and the sidewall of plastic seeding culturing case is provided with the through hole of water level in a plurality of control cabinets, is plugged with plug in the through hole.
Further, above-mentioned a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, and step (2) is in each Seedling bag, to insert 2 plumular axis.
Further, above-mentioned a kind of fresh water is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, described Seedling bag adopts the porose plastic sack of 13cm * 15cm.
Compared with prior art, the present invention has following advantage:
1. saving plumular axis; Each Seedling bag only need be sowed the Aegiceras corniculatum plumular axis that 1～2 vernalization is sprouted, and sowing quantity is few.
2. survival rate of seedling is more than 95%; Because the Aegiceras corniculatum plumular axis is behind presoaking and germinating; Be sowed in the Seedling bag that seedling medium is housed; The Aegiceras corniculatum plumular axis is sprouted into the seedling process and not destroyed by climatic environment and biotic factor; Aegiceras corniculatum plumular axis in the seedling medium can 95% above Cheng Miao, avoids direct program request to go into dead seedling, the phenomenon of being short of seedling that bag is grown seedlings.
3. be suitable for cultivating above the average age for marriage strong sprout, plant the evening of growing seedlings with Seedling bag several days little to transplanting seedling time and survival rate influence, help cultivating above the average age for marriage strong sprout and alleviate the contradiction that farming season is urgent, the labour is nervous.
4. Seedling bag is grown seedlings and need do not divided seedling, does not hinder root during field planting, so the slow seedling of slow Miao Kuaihuo helps growing after the Aegiceras corniculatum field planting.
5. economic benefit is high; Because of seedling matrix material is easy to get; With low cost; And the saving sowing quantity, plumular axis 95% above Cheng Miao, Miao Qimiao is strong; The seedling replanting field planting is prone to become to live, growth is fast; Be beneficial to and carry out afforestation and the ecoscape technological development of mangrove plant,, have good social benefit, economic benefit and ecological benefits greatly having expanded the habitat and its range of application of expansion of mangrove forest at freshet, lake, reservoir beach.
Description of drawings
The different seedling mediums of Fig. 1 are to the influence of Aegiceras corniculatum seedling radical;
The influence that the different seedling mediums of Fig. 2 are long to Aegiceras corniculatum seedling main root;
The different seedling mediums of Fig. 3 are to the influence of Aegiceras corniculatum seedling main root diameter;
Fig. 4 is the structural representation of plastics incubator among the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is done further description, but it is not represented as unique embodiment of the present invention.
1 materials and methods
1.1 choosing and prepare of material
1.1.1 the collection of seedling medium and processing
Soil and river sand: pick up from pond sludge or vegetable garden ground and korneforos respectively, be placed under the sunlight after the collection and dry naturally, pulverize and removes stone and other impurity.
1.1.2 the preparation of seedling medium
It is even that pond sludge or vegetable garden soil, river sand are pressed table 1 mixed, and spray the disinfection of 800 times of carbendazim soups, is made into seedling medium, sees table 1.With the various matrix appropriate compacting in the Seedling bag of packing into, make earth surfaces from the sack upper limb 1.0～1.5cm that grows seedlings, make seedling medium moistening with watering can spray clear water again in order to sowing.
The kind and the formation thereof of table 1 Aegiceras corniculatum seedling medium
* the ratio of each component of seedling medium is a volume ratio
1.1.3 plumular axis is handled with sowing Aegiceras corniculatum ripe (plant skin and be yellowish-brown) fresh plumular axis (Aegiceras corniculatum fruit) and is picked up from a Shantou City, Guangdong Province Australia village neutral red woods.The fresh plumular axis of choosing the maturity basically identical is as the sowing material, and the morphological index of ripe fresh plumular axis is seen table 2.Ripe fresh plumular axis is put into bucket, add enough clear water, guarantee the plumular axis suction fully, in 25～35 ℃ of water, soaked 3～4 days, change 1 vernalization of clear water every day; Plumular axis after the taking-up vernalization; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; Plumular axis base of fruit end is inserted the middle body of the Seedling bag that seedling medium is housed; 2 every bag and at a distance of 5cm; Half of plumular axis stayed Tu Mianshang, and Seedling bag adopts porose solvent or diluent bag around 13cm * 15cm bottom.
The morphological index of the ripe fresh plumular axis of table 2 Aegiceras corniculatum
1.2 cultivate and assay method
1.2.1 the cultivation of Aegiceras corniculatum seedling after planting places Seedling bag on the corridor of 20～35 ℃ of temperature, humidity 50～98% or full sun natural place cultivate.Another kind method is Seedling bag to be placed in the plastic seeding culturing case cultivate; Consult shown in Figure 4; The sidewall of plastic seeding culturing case 1 of the present invention is provided with the through hole 2 of water level in a plurality of control cabinets; Be plugged with plug 3 in the through hole 2; The specification of the plastic seeding culturing case 1 of this specific embodiment is 80 * 30 * 20cm (length * wide * height); Be provided with five through holes 2 from top to bottom successively at sidewall; Be provided with plug respectively in each through hole 2; Can select to open the plug 3 of diverse location according to different needs, to satisfy the water level requirement in the plastics incubator 1.
Spray water once with sprayer the every day at fine day at dusk; Every separated a couple of days is replenished some running water with gondola water faucet, to replenish the moisture that evaporation is scattered and disappeared, makes the seedling medium water content reach 75～98%, allows plumular axis have the moisture of abundance to carry out germination and growth.After the plumular axis of each Seedling bag was emerged neatly, each Seedling bag can be removed a strain seedling, and each Seedling bag stays the consistent or close as far as possible seedling of a strain size to be continued to cultivate.According to the moistening degree of Seedling bag seedling medium and seedling lack of water whether, keep the skin wet between nursery stage in good time.When watering, be generally morning or afternoon.Water water yield unanimity, keep ground moistening.Respectively organize the plumular axis germination in after planting the 60th day and finish, get into the seedling culture stage after the 60th day.
1.2.2 the mensuration of Aegiceras corniculatum plumular axis germination index
From sowing day beginning, observe and write down broken shell time, the germinating time of each plumular axis every day, it is total to calculate broken shell sum, the rudiment of respectively organizing plumular axis then, and it is following to be used to describe the index of respectively organizing plumular axis broken shell, germination:
The broken shell standard: referring to that kind of an embryo distal process breaks in the seed coat exposes, and whole plumular axis becomes serpentine by original crescent moon shape.
The germination standard: the plumule end grows first pair of true leaf.
Beginning broken shell (germinations) number of days: from plumular axis is sowed to the required number of days of first broken shell (germination) plumular axis.
Broken shell (germination) cycle: plumular axis is from finish required number of days beginning broken shell (germination) day to germinateing.
Broken shell (germination) rate: broken shell (germination) plumular axis number accounts for the percentage of this group plumular axis sum.
1.2.3 when 60d and 180d, randomly draw each 20 strain seedling for every group and measure following growth indexes:
The mensuration of index 1.2.3.1 the Aegiceras corniculatum plumular axis is taken root
Measure every strain and sprout the long and main root diameter of the number of taking root, main root of plumular axis.
1.2.3.2 Aegiceras corniculatum seedling stem is high, the mensuration of stem footpath, the number of blade and leaf area
Main root diameter and stem footpath are measured with electronic caliper; Main root length and stem height are measured with ruler; The mensuration of leaf area adopts the pattern weight method: the weight of claiming copy paper with ten thousand/balance.The area of A4 copy paper is 210mm * 297mm.Vanes fixed on the A4 copy paper, is accurately retouched shape, cultrate.With the cultrate weight of the scraps of paper of ten thousand/balance weighing.According to the weight of the scraps of paper of cultrating, the weight and the area of copy paper, converse the accurate area of blade.Computing formula is:
S leaf (cm2)=W leaf * S paper/W paper
In the formula: the W leaf is the weight of the scraps of paper of cultrating; S paper is the area of copy paper; W paper is the weight of copy paper
1.2.3.3 the mensuration of Aegiceras corniculatum seedling each several part biomass and biomass of individual tree
When 60d and 180d, measure root system, (former) plumular axis, the stem of seedling, dry mass and total dry mass of leaf in each group respectively, observe the situation of change of plant biomass structure.The mensuration of dry weight adopts oven drying method.Earlier blot the moisture content on root, stem, the blade, claim its fresh weight with blotting paper; Then sample was completed in 105 ℃ constant temperature oven 30 minutes, be cooled to 75 ℃ again and dry, measure its dry weight with electronic balance to constant weight.
1.2.4 data and analysis
Test gained data are all calculated and graph making with Microsoft Office Excel 2003, carry out statistical analysis with the check of the general linear model T among the SPSSviewer Document of statistical software (11.5) (LSD) method.
2 results and analysis
2.1 can be known by table 3: the fresh plumular axis sowing of the Aegiceras corniculatum of maturity basically identical is cultivated in different seedling mediums, and its shell-breaking rate all reaches more than 98.42%, does not have significant difference; There is not significant difference in beginning broken shell number of days yet, but the shortest with the beginning broken shell number of days in seedling medium B, C, its respectively than the short 0.5d of seedling medium A (my god); Break cycle in seedling medium B, C, D all is considerably shorter than seedling medium A and E, and wherein the break cycle in seedling medium B is the shortest, and its mean value is than short respectively 3.67d and the 2.67d of seedling medium A and E.
The different seedling mediums of table 3 are to the influence of Aegiceras corniculatum plumular axis broken shell
* data are represented with the mean+SD mode in showing, and there is the significant difference on 0.05 level in the different letter representations in every column of figure back between handling, down together.
2.2 can be known by table 4: the fresh plumular axis sowing of the Aegiceras corniculatum of maturity basically identical is cultivated in different seedling mediums, and its germination rate all reaches more than 98.13%, does not have significant difference; The bud day number average of starting in seedling medium B, C, D is less than seedling medium A significantly, and its mean value lacks 4.95d, 4.67d, 4.00d than seedling medium A respectively; The germination cycle in seedling medium B, C, D all is considerably shorter than seedling medium A and E; Wherein the germination cycle in seedling medium B is the shortest; Kind of the embryo end that promptly when sowing 52d, germinates has all grown first pair of true leaf, its cycle mean value short respectively 7.54d and 4.87d than seedling medium A and E that germinate.
The influence that the different seedling mediums of table 4 germinate to the Aegiceras corniculatum plumular axis
2.3 can know: the radical of after planting adding up its seedling at the Aegiceras corniculatum plumular axis on the 60th day by Fig. 1; The average every strain radical of seedling in seedling medium B, C, D is all significantly more than seedling medium A and E; Its every strain radical mean value is respectively than 3.36,2.83, the 2.55/strain of manying of seedling medium A, respectively than 2.09,1.54, the 1.28/strain of manying of seedling medium E.
Can be known by Fig. 2: the main root of after planting adding up its seedling at the Aegiceras corniculatum plumular axis on the 60th day is long; The average every strain main root of seedling in seedling medium B, C, D is long all significantly greater than seedling medium A and E; The long mean value of its every strain main root is respectively than length 1.89,1.57, the 1.53cm of seedling medium A, respectively than length 1.64,1.32, the 1.28cm of seedling medium E.
Can know by Fig. 3: after planting measured the main root diameter of its seedling on the 60th day at the Aegiceras corniculatum plumular axis, though it is Aegiceras corniculatum seedling its main root diameter in different seedling mediums does not have significant difference, thicker with the main root diameter in seedling medium B, C, D.
2.4 60th day measure after planting at the Aegiceras corniculatum plumular axis that the stem of its seedling is high, stem footpath, the number of blade and leaf area, the result sees table 5.The average stem height of seedling in seedling medium B, C, D is all significantly greater than seedling medium A and E, the high mean value of its every strain stem respectively than seedling medium A high by 1.36,1.21,0.99cm, respectively than seedling medium E high by 0.83,0.68,0.46cm.The average blade number average of the seedling that in seedling medium B, C, D, E, grows is significantly more than seedling medium A, and its every strain number of blade mean value is respectively than many 0.80,0.68,0.60,0.48 of seedling medium A.Though Aegiceras corniculatum seedling its stem footpath in different seedling mediums does not all have significant difference with leaf area, directly thicker with the stem in seedling medium B, C, D, leaf area is bigger.
The different seedling mediums of table 5 are to the influence (60d) of Aegiceras corniculatum seedling stem height, stem footpath, the number of blade and leaf area
2.5 measured its seedling each several part biomass and complete stool biomass in after planting the 60th day at the Aegiceras corniculatum plumular axis, the result sees table 6.The root of the seedling that in seedling medium B, C, D, grows, stem and complete stool biomass are all significantly greater than seedling medium A and E; Its mean value is respectively than the raising 24.65%, 31.69%, 10.68% of seedling medium A; 22.30%, 30.77%, 9.85%, 17.29%, 26.77%, 8.75%; Successively respectively than the raising 20.62%, 13.83%, 6.13%, 18.37%, 13.03%, 5.42%, 13.50%, 9.57%, 4.28% of seedling medium E.The leaf biomass of the seedling that in seedling medium B, C, D, E, grows is all significantly greater than seedling medium A, and it is respectively than the raising 23.29%, 23.02%, 22.87%, 18.38% of seedling medium A.And former plumular axis biomass does not have significant difference in different seedling mediums.
The different seedling mediums of table 6 are to the influence (unit: the mg/ strain) of Aegiceras corniculatum seedling each several part biomass and biomass of individual tree
Grow and the main root diameter 2.6 after planting measured stem height, stem footpath, the number of blade, leaf area, radical, the main root of its seedling on the 180th day at the Aegiceras corniculatum plumular axis, the result sees table 7 and table 8.Can know from table 7: seedling stem height of among seedling medium B, C, D, E, growing and blade number average be significantly greater than seedling medium A, the high mean value of its stem respectively than seedling medium A high by 1.34,1.01,1.23,0.77cm; The number of blade is successively than many 2.33,2.02,1.73 of seedling medium A.Though Aegiceras corniculatum seedling its stem footpath in different seedling mediums does not all have significant difference with leaf area, directly thicker with the stem in seedling medium B, C, D, leaf area is bigger.Can know from table 8: the seedling radical of among seedling medium B, C, D, E, growing and main root are long all significantly greater than seedling medium A, and its radical mean value increases 44.06%, 41.55%, 33.48%, 22.07% than seedling medium A respectively; Main root is long successively than the increase by 28.15%, 23.90%, 22.87%, 10.85% of seedling medium A.Though Aegiceras corniculatum seedling its main root diameter in different seedling mediums does not have significant difference, and is thicker with the main root diameter in seedling medium B, C, D.
The different seedling mediums of table 7 are to the influence (180d) of Aegiceras corniculatum seedling stem height, stem footpath, the number of blade and leaf area
The different seedling mediums of table 8 are to the influence (180d) of Aegiceras corniculatum seedling radical, main root length and main root diameter
2.7 measured its seedling each several part biomass and complete stool biomass in after planting the 180th day at the Aegiceras corniculatum plumular axis, the result sees table 9.The root of the seedling that in seedling medium B, C, D, E, grows, stem, leaf and complete stool biomass are all significantly greater than seedling medium A's; Its mean value is successively respectively than the raising 34.74%, 22.50%, 30.47%, 19.33% of seedling medium A; 33.80%, 21.39%, 28.01%, 17.65%; 31.87%, 21.74%, 26.91%, 16.68%, 14.01%, 8.07%, 12.87%, 8.56%.And former plumular axis biomass does not have significant difference in different seedling mediums.
The different seedling mediums of table 9 are to the influence (unit: the mg/ strain) of Aegiceras corniculatum seedling each several part biomass and biomass of individual tree
3 conclusions
The result shows: in A, B, C, D, five kinds of seedling mediums of E, B, C, D are suitable for cultivating the Aegiceras corniculatum seedling most, and E omits than A.The Aegiceras corniculatum seedling leaves quantity that seedling medium B, C, D are cultivated is maximum, and root system is the most flourishing, and plant height is the highest, and the biomass of the root of seedling, stem, leaf and complete stool is maximum.It is all significantly greater than seedling medium A's; Cultivate 180d (my god) time its mean value successively respectively than the raising 34.74%, 22.50%, 30.47%, 19.33% of seedling medium A; 33.80%, 21.39%, 28.01%, 17.65%, 31.87%, 21.74%, 26.91%, 16.68%.The Aegiceras corniculatum seedling that seedling medium B, C, D cultivate, aggregate performance is a height of seedling, stem is thick, leaf is many and well developed root system, suits to be applied to the artificial afforestration plantation.
(plant skin and be yellowish-brown) fresh plumular axis (Aegiceras corniculatum fruit) that maturity is good soaked 4 days in 25 ℃ of water, changed 1 vernalization of clear water every day; Plumular axis after take out soaking, described seedling medium are to be to constitute at 4: 1 by soil, river sand volume ratio.Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of base of fruit end is equipped with in the Seedling bag of seedling medium; Seedling bag adopts the porose plastic sack of 13cm * 15cm; Intensity of illumination 1000Lux, 25 ℃ of temperature, humidity 60%, seedling medium water content 75 times; On the corridor, cultivated 60 days, the Aegiceras corniculatum seedling grows 2～4 and can transplant or field planting more than the leaf.
(plant skin and be yellowish-brown) fresh plumular axis (Aegiceras corniculatum fruit) that maturity is good soaked 3 days in 35 ℃ of water, changed 1 vernalization of clear water every day; Take out the plumular axis after soaking; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of base of fruit end is equipped with in the Seedling bag of seedling medium; Seedling bag adopts the porose plastic sack of 13cm * 15cm; About intensity of illumination 2500Lux, under 35 ℃ of the temperature, humidity 98%, seedling medium water content 80% condition; Natural place was cultivated and was cultivated 54～57 days full sun, and the Aegiceras corniculatum seedling grows 2～4 and can transplant or field planting more than the leaf.Described seedling medium is to be made up of soil soil, river sand: river sand is 2: 1 by volume.
(plant skin and be yellowish-brown) fresh plumular axis (Aegiceras corniculatum fruit) that maturity is good soaked 4 days in 25 ℃ of water, changed 1 vernalization of clear water every day; Take out the plumular axis after soaking; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of base of fruit end is equipped with in the Seedling bag of seedling medium; Seedling bag adopts the porose plastic sack of 13cm * 15cm; About intensity of illumination 4500Lux, 30 ℃ of temperature, humidity 70%, seedling medium water content 98% time; On the corridor, cultivated 53～57 days, the Aegiceras corniculatum seedling grows 2～4 and can transplant or field planting more than the leaf.Described seedling medium is to be made up of soil soil, river sand: river sand is 3: 1 by volume.
(plant skin and be yellowish-brown) fresh plumular axis (Aegiceras corniculatum fruit) that maturity is good soaked 3 days in 30 ℃ of water, changed 1 vernalization of clear water every day; Take out the plumular axis after soaking; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of base of fruit end is equipped with in the Seedling bag of seedling medium; Seedling bag adopts the porose plastic sack of 13cm * 15cm; Intensity of illumination 5000Lux, 30 ℃ of temperature, humidity 75%, seedling medium water content 95% time; Natural place was cultivated and was cultivated 52～56 days full sun, and the Aegiceras corniculatum seedling grows 2～4 and can transplant or field planting more than the leaf.Described seedling medium is to be soil.
Embodiment 5
(plant skin and be yellowish-brown) fresh plumular axis (Aegiceras corniculatum fruit) that maturity is good soaked 4 days in 25 ℃ of water, changed 1 vernalization of clear water every day; Take out the plumular axis after soaking; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of base of fruit end is equipped with in the Seedling bag of seedling medium; Seedling bag adopts the porose plastic sack of 13cm * 15cm, Seedling bag is placed in the plastic seeding culturing case that has an osculum and 8 interior waterline holes of control cabinet that specification is 80 * 30 * 20cm cultivates.About intensity of illumination 6500Lux, 25 ℃ of temperature, humidity 90%, seedling medium water content 75% time, natural place was cultivated and was cultivated 52～55 days full sun, the Aegiceras corniculatum seedling grows 2～4 and can transplant or field planting more than the leaf.Described seedling medium is to be made up of soil soil, river sand: river sand is 4: 0.1 by volume.
Claims (7)
1. a fresh water is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, comprises the steps: that successively (1) choose the good fresh plumular axis of maturity and in 25～35 ℃ of water, soaked 3～4 days, changes 1 vernalization of clear water every day; (2) plumular axis after taking-up is soaked; Select embryo to begin to extend and break through kind of the plumular axis of follicarpium base of a fruit end; The insertion of the base of fruit end of plumular axis is equipped with in the Seedling bag of seedling medium; In intensity of illumination 1000～7500Lux, 20～35 ℃ of temperature, humidity 50～98%; Cultivated 52～60 days, the Aegiceras corniculatum seedling grows 2～4 and can plant more than the leaf.
2. a kind of fresh water according to claim 1 is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, described seedling medium is that 1～4: 0～1 soil and river sand are formed by volume ratio, and the water content of seedling medium is 75～98%.
3. a kind of fresh water according to claim 2 is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, described seedling medium is that 1～3: 1 soil and river sand are formed by volume ratio.
4. a kind of fresh water according to claim 1 is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, the described cultivation of step (2) be place Seedling bag on the corridor of 20～35 ℃ of temperature, humidity 50～98% or full sun natural place cultivate.
5. a kind of fresh water according to claim 1 is cultivated the method for Aegiceras corniculatum seedling; It is characterized in that; The described cultivation of step (2) is Seedling bag to be placed in the plastic seeding culturing case cultivate, and the sidewall of plastic seeding culturing case is provided with the through hole of water level in a plurality of control cabinets, is plugged with plug in the through hole.
6. a kind of fresh water according to claim 1 is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, step (2) is in each Seedling bag, to insert 2 plumular axis.
7. a kind of fresh water according to claim 1 is cultivated the method for Aegiceras corniculatum seedling, it is characterized in that, described Seedling bag adopts the porose plastic sack of 13cm * 15cm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350993A (en) * | 2014-09-27 | 2015-02-18 | 浙江省海洋水产养殖研究所 | Method for improving cold resistance of kandelia obovata |
| CN105409703A (en) * | 2014-09-27 | 2016-03-23 | 浙江省海洋水产养殖研究所 | Method for enhancing cold resistance of Kandelia obovata |
| CN105613112A (en) * | 2014-09-27 | 2016-06-01 | 浙江省海洋水产养殖研究所 | Method for improving cold resistance of Kandelia candel |
| CN105409703B (en) * | 2014-09-27 | 2017-11-24 | 浙江省海洋水产养殖研究所 | A kind of method for strengthening autumn eggplant cold resistance |
| CN105613112B (en) * | 2014-09-27 | 2018-02-27 | 浙江省海洋水产养殖研究所 | The method for improving Kandelia candel mangrove cold tolerance |
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