CN102487674B - Method for cutting seedling-raising of Alnus trabeculosa - Google Patents
Method for cutting seedling-raising of Alnus trabeculosa Download PDFInfo
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Abstract
The invention discloses a method for cutting seedling-raising of Alnus trabeculosa. The method is characterized by comprising the following steps: (1), collection and treatment of a stalk for cutting; (2), arrangement of a cutting bed; and (3), cutting on the cutting bed. The cutting method provided by the invention has the advantages that the rooting rate of Alnus trabeculosa is high, original properties of plants can be retained, propagation of Alnus trabeculosa is accelerated, and the market demand for garden greening is satisfied.
Description
Technical field
The present invention relates to a kind of cuttage and seedling culture method, especially relate to a kind of method for cutting seedling-raising of Alnus trabeculosa, belong to Alnus Trabeculosa and cultivate technical field.
Background technology
Alnus Trabeculosa (Alnus trabeculosa Hand.-Mazz.) is Betulaceae Alder deciduous tree, up to 25 m, diameter of a cross-section of a tree trunk 1.3 meters above the ground 40cm, root system is water-fast to wet, happiness light, fit and be born in average temperature of the whole year 10-15 ℃, the hilly and mountainous land of year rainfall 900-1 400 mm also can be grown on the dry hillside of soil property.Alder growth rapidly, it is fast to grow into forest, well-grown on, the damp soil deep at soil layer.1 year above even 2 m of growth 1 m, closing in general 3 years are grown into forest, but slower in the barren place growth of soil.Its height is grown animated period at 5-15 a, and the animated period of the diameter of a cross-section of a tree trunk 1.3 meters above the ground is 10-15 a, therefore is fit to afforestation in short rotation, then can take rudiment to upgrade.The light red brown of the timber of Alnus Trabeculosa, material is light and soft, and hardness is moderate, and is water-fast wet, is that papermaking, mine timber, ore pillar are well used material, also is the material such as building, furniture, plywood, farm implements.Bark, fruit are rich in tannin, can obtain through refining tannin extract.The alder well developed root system the knurl fixed nitrogen of taking root.The root nodule of per 100 strain alders can be equivalent to the nitrogen of the ammonium sulfate fertilizer efficiency about 15 k to the soil increase every year on average.Root system can also be consolidated native, anti-collapse, water conservation.At present, according to the literature: the method for seeding and seedling raising is mainly adopted in the breeding of Alnus Trabeculosa, and in order to keep the original proterties of plant, it is numerous to need to adopt the asexual reproduction methods such as cuttage, press strip, group training to expand.But utilize cottage method breeding Alnus Trabeculosa to there is not yet report, the application starts with from the key factor that affects Alnus Trabeculosa cuttage root-taking effect, and the cottage method that screening is best to accelerate the breeding of Alnus Trabeculosa, satisfies the afforestation market demand.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of method for cutting seedling-raising of Alnus trabeculosa of bitter Fast-propagation Alnus Trabeculosa.
The technical solution adopted in the present invention is:
Method for cutting seedling-raising of Alnus trabeculosa is characterized in that, may further comprise the steps:
(1) plugged ear sampling and processing: adopt the living plant of Alnus Trabeculosa 5a as adopting the fringe female parent, plugged ear adopts and gives birth to then healthy and strong semi-lignified children shoot, rugosity is 0.6-1.0cm, it is long that plugged ear is cut into 7-10cm, keep 3-4 internodes, the top keeps 2-3 sheet leaf, the base portion of plugged ear is placed in the root-growing agent soaks, and soak time is 1min;
(2) slotting machine setting: slotting machine is the beam-connected greenhouse seedbed, be provided with on the slotting machine 50 orders (cave dish, the thickness of the cutting medium in the dish of cave is 8cm;
(3) plugged ear: the plugged ear that step (1) is handled well is inserted on the described cutting medium of step (2), and the cuttage degree of depth is the 1/3-1/2 place of cutting length, plugged ear is vertical with the cutting medium horizontal plane during cuttage, and adopt full exposure atomizing facility after the cuttage, allow plugged ear and blade keep fully moistening, per 5～10 min spraying of cuttage initial stage 1 time, the rear control moisture consumption that begins to take root prolongs the spray intervals time gradually.
Described matrix is any in perlite or the rice chaff ash, perhaps is peat soil, rice chaff ash and perlitic mixed-matrix.And the peat soil in the described mixed-matrix, rice chaff ash and perlitic volume ratio are 1:1:1.
In addition, described root-growing agent comprises plant growth regulator and cerous nitrate (Ce (NO
3)
3).And described plant growth regulator is indolebutyric acid, and the concentration of described indolebutyric acid in described root-growing agent is: 0-1000 mg/L.The concentration in root-growing agent of described cerous nitrate is 5mg/L.
The invention has the beneficial effects as follows: utilize cottage method of the present invention so that the rooting rate of Alnus Trabeculosa is high, and can guarantee original proterties of plant, and utilize cottage method of the present invention, and accelerated the breeding of Alnus Trabeculosa, satisfy the afforestation market demand.
Embodiment
The present invention will be further described below in conjunction with specific embodiment:
Test material and processing method:
(1) plugged ear sampling and processing: adopt and introduced the living plant of Alnus Trabeculosa 5a in 2005 as adopting the fringe female parent, plugged ear adopts and gives birth to then healthy and strong semi-lignified children shoot, rugosity is 0.6-1.0cm, it is long that plugged ear is cut into 7-10cm, keep 3-4 internodes, the top keeps 2-3 sheet leaf, in the present embodiment, what the rugosity of plugged ear was chosen is the plugged ear of different rugosity, namely adopts 4 processing, be 0.6-0.7 cm, 0.7-0.8 cm, 0.8-0.9 cm, and more than the 0.9cm, it is to soak in the root-growing agent that the base portion of plugged ear is placed on concentration, and soak time is 1-1.5min; Present embodiment adopts completely random district group to the experiment residential quarter, 4 repetitions, and plugged ear 100 strains of every district, and the root-growing agent that adopts comprises plant growth regulator indolebutyric acid and cerous nitrate Ce (NO
3)
3, wherein, the cerous nitrate Ce (NO of interpolation
3)
3Concentration in root-growing agent is 5 mg/L.And indolebutyric acid wherein adopts 6 concentration for the treatment of, be that the concentration of plant growth regulator IBA (indolebutyric acid) in root-growing agent is respectively: 1000 mg/L, 800 mg/L, 600 mg/L, 400 mg/L, 200 mg/L, 6 gradients of 0 mg/L, the base portion of transplanting a cutting soaks 1min, with clear water in contrast;
(2) slotting machine setting: slotting machine is the beam-connected greenhouse seedbed, be provided with 50 orders (the cave dish of 8 cm * 8 cm * 10cm) on the slotting machine, the thickness of the cutting medium in the dish of cave is 8cm, and described cutting medium adopts 3 processing in the present embodiment, be that cutting medium is perlite (Z), rice chaff ash (L) and peat soil: rice chaff ash: perlitic volume ratio is the mixed-matrix (H) of 1:1:1;
(3) plugged ear: the plugged ear that step (1) is handled well is inserted on the described cutting medium of step (2), and the cuttage degree of depth is about the 1/3-1/2 place of cutting length, plugged ear is vertical with the cutting medium horizontal plane during cuttage, and adopt full exposure atomizing facility after the cuttage, allow plugged ear and blade keep fully moistening, per 5～10 min spraying of cuttage initial stage 1 time, rear control moisture consumption begins to take root, prolong gradually the spray intervals time, observe the variation of transplanting a cutting 1 time every 5d observation after the cuttage, 45d carries out data statistics, and observation index is the cuttage root-taking rate, indefinite radical, the longest adventive root is long, average root is long, 2 tip length etc.
Observe as can be known according to above-mentioned experiment: add 5mg/L cerous nitrate Ce (NO in the root-growing agent
3)
3, and the impact of adopting the plant growth regulation IBA without concentration to process cuttage rooting is specially:
Embodiment 1:IBA concentration is 1000 mg.L
-1, the rooting rate of plugged ear is 83.7%, 8.8 of average adventive root numbers, and the longest root is long to be 6.2cm, the long 4.2cm of average root, the long 4.6cm of the secondary tip.
Embodiment 2:IBA concentration is 800 mg.L
-1, the rooting rate of plugged ear is 92.3%, 12.6 of average adventive root numbers, and the longest root is long to be 8.7cm, the long 6.6cm of average root, the long 6.3cm of the secondary tip.
Embodiment 3:IBA concentration is 600 mg.L
-1, the rooting rate of plugged ear is 82.5%, 7.5 of average adventive root numbers, and the longest root is long to be 5.6cm, the long 3.8cm of average root, the long 5.9cm of the secondary tip.
Embodiment 4:IBA concentration is 400mg.L
-1, the rooting rate of plugged ear is 71.6%, 5.9 of average adventive root numbers, and the longest root is long to be 4.3cm, the long 3.1cm of average root, the long 4.5cm of the secondary tip.
Embodiment 5:IBA concentration is 200 mg.L
-1, the rooting rate of plugged ear is 62.8%, 4.8 of average adventive root numbers, and the longest root is long to be 3.6cm, the long 2.6cm of average root, the long 3.8cm of the secondary tip.
In addition, the check experiment that does not add IBA in described root-growing agent is:
Embodiment 6: the rooting rate of plugged ear is 22.4%, 2.5 of average adventive root numbers, and the longest root is long to be 3.1cm, the long 2.1cm of average root, the long 3.3cm of the secondary tip.
By the above embodiments 1-6 as can be known: by mean and variance analysis (F=54.60〉F0.01=7.12), adopt 5mg/L cerous nitrate Ce (NO
3)
3Concentration constant, add the rooting percent that root-growing agent that the IBA of variable concentrations forms processes and be higher than more significantly contrast.And under this experimental condition, the concentration of IBA is with 800 mg/L and 5mg/L cerous nitrate Ce (NO
3)
3The rooting percent that the root-growing agent that forms is processed is up to 92.3%, and the indexs such as the quantity of taking root, average root length and the longest root length all are better than other concentration.Other Processing Test result, rooting rate is identical with the results change of the long test of the secondary tip, and all showing as concentration for the treatment of is 800 mg/L ﹥, 600 mg/L ﹥, 1000 mg/L ﹥, 400 mg/L ﹥, 200 mg/L ﹥ contrasts; Identical 800 mg/L ﹥, 1000 mg/L ﹥, 600 mg/L ﹥, 400 mg/L ﹥, the 200 mg/L ﹥ that all show as of results change in the on average long test of the long and the longest root of adventive root contrast.
And the impact that cutting medium kind and proportioning make up cuttage rooting is specially:
Embodiment 7: when cutting medium was peat soil, the rooting rate of plugged ear was 79.2%, 7.9 of average adventive root numbers, and the longest root is long to be 6.9cm, the long 4.5cm of average root.
Embodiment 8: when cutting medium was rice chaff ash, the rooting rate of plugged ear was 81.8%, 9.6 of average adventive root numbers, and the longest root is long to be 7.8cm, the long 5.2cm of average root.
Embodiment 9: when cutting medium is peat soil: rice chaff ash: during perlitic mixed-matrix, it is that cutting medium is peat soil: rice chaff ash: perlitic mixture, and peat soil: rice chaff ash: when perlitic volume ratio is 1:1:1, the rooting rate of plugged ear is 92.3%, 12.6 of average adventive root numbers, the longest root is long to be 8.7cm, the long 6.3cm of average root.
By embodiment 7-9 as can be known: by variance analysis (F=15.62〉F0.01=4.42), under this experimental condition, different substrates and proportioning are combined in the rooting rate aspect and show utmost point significant difference, cutting is mixing peat soil: rice chaff ash: the perlite volume ratio is in the matrix of 1:1:1, its rooting rate, mean elements, average root long and the index such as long adventive root all be better than other matrix, rice chaff ash is better than again peat soil.
In addition, different plugged ear rugosity is also very large on the impact of cuttage rooting, is specially:
Embodiment 10: when the plugged ear rugosity was between 0.6-0.7cm, the rooting rate of plugged ear was 78.1%, 8.6 of average adventive root numbers, and the longest root is long to be 6.3cm, the long 4.5cm of average root.
Embodiment 11: when the plugged ear rugosity was between 0.7-0.8cm, the rooting rate of plugged ear was 92.3%, 12.6 of average adventive root numbers, and the longest root is long to be 8.6cm, the long 6.3cm of average root.
Embodiment 12: when the plugged ear rugosity was between 0.8-0.9cm, the rooting rate of plugged ear was 85.8%, 10.2 of average adventive root numbers, and the longest root is long to be 7.4cm, the long 5.6cm of average root.
Embodiment 13: when plugged ear rugosity during at＞0.9cm, the rooting rate of plugged ear is 75.4%, 6.9 of average adventive root numbers, and the longest root is long to be 5.3cm, the long 4.1cm of average root.
By embodiment 10-13 as can be known: under this experimental condition, its cuttage root-taking rate of plugged ear of different rugosity and the quantity of adventive root etc. have notable difference, the highest and the average adventive root quantity of rooting of cuttings rate of IR intermediate rough is maximum, and the rooting percent of 0.7-0.8cm rugosity is up to 92.3%, adventive root reaches 12.6, the longest root and reaches 8.6cm, the long 6.3cm of average root.Crossing thick or meticulous rooting percent and adventive root number average descends to some extent.Plugged ear is thicker, the cambial cell bed thickness, and vitality is strong, and the amount of taking root is also many.Transplanted a cutting slightly, degree of lignification is high and affect its ability of taking root and quality, and plugged ear is meticulous, too young tender unfavorable taking root.
By the above embodiments as can be known:
(1) whether cuttage rooting is the key point of cutting survival.Taking root except outside the Pass having with the hereditary capacity of plant own of plugged ear, the factors such as the external source root-growing agent plant growth regulator kind of adding during also with the processing plugged ear and concentration are relevant.The described root-growing agent of present embodiment is adding 5mg/L cerous nitrate Ce (NO
3)
3In the constant situation of concentration, adopt the IBA of variable concentrations to process, help to improve the rooting rate of Alnus Trabeculosa epicormic branch cuttage plugged ear and the quality and quantity of taking root, but root-growing agent concentration for the treatment of and processing time need strict control, surpass certain concentration and processing time, can occur on the contrary poisoning, suppress to take root and root growth.Under the present embodiment condition, adopt 5mg/L cerous nitrate Ce (NO
3)
3, adding 800 mg/L IBA, to form root-growing agent immersion treatment 1min rooting of cuttings effect best.
(2) combination of cutting medium kind and proportioning is larger on cuttage root-taking rate and root growth impact.The Alnus Trabeculosa epicormic branch cuttage is selected peat soil in the present embodiment: rice chaff ash: the perlite volume ratio is that the mixed-matrix of 1:1:1 is processed, and survival rate is high, root growth is good.
(3) present embodiment also shows, adopts the mode of full exposure batch (-type) spraying can avoid transplanting a cutting the leaf water excessive vaporization, guarantees the normal growth of transplanting a cutting.The rooting of cuttings rate that find to keep full leaf in the test is high, observes also after cuttage that the cutting of rudiment is conducive to root growth in the 15d, and root system development is good.
The present invention is defined in aforesaid embodiment, and in the category that does not exceed basic fundamental thought of the present invention, the operator of relevant industries can carry out various deformation to it, and the above-mentioned distortion of carrying out should belong to claim scope of the present invention.
Claims (1)
1. method for cutting seedling-raising of Alnus trabeculosa is characterized in that, may further comprise the steps:
(1) plugged ear sampling and processing: adopt the living plant of Alnus Trabeculosa 5a as adopting the fringe female parent, plugged ear adopts and gives birth to then healthy and strong semi-lignified children shoot, rugosity is 0.6-1.0cm, it is long that plugged ear is cut into 7-10cm, keep 3-4 internodes, the top keeps 2-3 sheet leaf, the base portion of plugged ear is placed in the root-growing agent soaks, and soak time is 1min;
(2) slotting machine setting: slotting machine is the beam-connected greenhouse seedbed, is provided with 50 purpose caves dish on the slotting machine, and the thickness of the cutting medium in the dish of cave is 8cm;
(3) plugged ear: the plugged ear that step (1) is handled well is inserted on the described cutting medium of step (2), and the cuttage degree of depth is the 1/3-1/2 place of cutting length, plugged ear is vertical with the cutting medium horizontal plane during cuttage, and adopt full exposure atomizing facility after the cuttage, allow plugged ear and blade keep fully moistening, per 5～10 min spraying of cuttage initial stage 1 time, rear control moisture consumption begins to take root, prolong gradually the spray intervals time
Described cutting medium is any in perlite or the rice chaff ash, perhaps is peat soil, rice chaff ash and perlitic mixed-matrix, and the peat soil in the described mixed-matrix, rice chaff ash and perlitic volume ratio be 1:1:1,
Described root-growing agent then comprises plant growth regulator and cerous nitrate Ce (NO
3)
3, wherein, described plant growth regulator is indolebutyric acid, and the concentration of described indolebutyric acid in described root-growing agent is: 200-1000 mg/L, the concentration of described cerous nitrate in root-growing agent then is 5mg/L.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107371941A (en) * | 2017-06-27 | 2017-11-24 | 易门县康蓉油橄榄农业种植专业合作社 | A kind of Buddhist cuttage and seedling culture method difficult to understand |
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| CN107371941A (en) * | 2017-06-27 | 2017-11-24 | 易门县康蓉油橄榄农业种植专业合作社 | A kind of Buddhist cuttage and seedling culture method difficult to understand |
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