CN106106001A - A kind of Semen Castanopsis chinensis container seedling culture method - Google Patents
A kind of Semen Castanopsis chinensis container seedling culture method Download PDFInfo
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- CN106106001A CN106106001A CN201610657613.1A CN201610657613A CN106106001A CN 106106001 A CN106106001 A CN 106106001A CN 201610657613 A CN201610657613 A CN 201610657613A CN 106106001 A CN106106001 A CN 106106001A
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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
- A01G17/005—Cultivation methods
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
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Abstract
The invention discloses a kind of Semen Castanopsis chinensis container seedling culture method, the method comprises the steps: to select ground, garden；Make seedbed: on the soil layer of furrow face, lay one layer 5～the river sand of 8cm thickness, re-lay one layer of ground cloth；Select container: selecting non-woven container bag as container for plant growth, its specification is 7 16cm × 9 20cm；Preparation substrate: matrix components is made up of yellow soil, turfy soil, perlite, and the ratio preparing substrate by volume is yellow soil: turfy soil: perlite=0 2:0 1:0 0.5；Select nursery stock；Management nursery stock: in mid or late August～late November, sprayed 1 fertilizer every 10 days, and nitrogen fertilizer application amount is 0 175mg/ strain, and executing phosphate fertilizer amount is 30 40mg/ strains, and potassium application amount is 50 60mg/ strains；Go out garden: carrying substrates field planting.Method for culturing seedlings of the present invention can keep seedling root complete when transplanting, improves survival rate, without seedling-slowing stage.The inventive method can make Semen Castanopsis chinensis seedling transportation, remove and unload conveniently.The problem that root is difficult to survive, off-season cultivation survives difficulty is hindered when solving Semen Castanopsis chinensis nursery stock transplanting.
Description
Technical field
The present invention relates to botanical seedling culturing technical field, be more particularly to a kind of Semen Castanopsis chinensis container seedling culture method.
Background technology
Semen Castanopsis chinensis (Catanea henryi) is the distinctive economic tree of south China, is famous and precious dry fruit, is again that nutrition is rich
Rich woody grain, is also one of fruit of enjoying a good market both at home and abroad.The main distribution of Semen Castanopsis chinensis include the Zhejiang on the south Huaihe River, the Qinling Mountains,
Anhui, Fujian, Jiangxi, Hunan, Hubei, Sichuan, Guangxi etc. save (district), and cultivated area is about 8.66 ten thousand hm in the whole nation2, the product of Semen Castanopsis chinensis
Amount reaches 6.5 ten thousand more than t.
At present, Semen Castanopsis chinensis nursery mainly uses tradition seedling raising manners, sows the most then, then autumn or spring grafting in next year,
And go out garden the end of the year in next year.Tradition nursery not only growing-seedling period length, cost are high, and because seedling root is huge, hinder root during lifting
Rate is high, and after planting, seedling-slowing stage is long, can not meet the demand of Semen Castanopsis chinensis industry development in recent years.And container seedling have seedling stage short, afforestation
Season length, nursery stock specification and quality is easily controllable, save root system not easy damaged, nursery stock little moisture loss, afforestation during seed, lifting
Survival rate is high, without seedling-slowing stage, be easy to the advantages such as seedling machinery, be forestry developed country achievements in forest-tree seedling mainly for answering form,
China is the most widely used now.But hinder during Semen Castanopsis chinensis nursery stock transplanting that root is difficult to survive, off-season cultivation survives the problem of difficulty and is badly in need of
Solve.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is exactly to hinder during Semen Castanopsis chinensis nursery stock transplanting that root is difficult to survive, off-season cultivation survives difficulty
Problem, and provide a kind of Semen Castanopsis chinensis container seedling culture method.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of Semen Castanopsis chinensis container seedling culture method, the method includes as follows
Step:
Step one: select ground, garden: choose that plot gesture is smooth, draining good, have irrigation conditions, convenient transportation and be easy to pipe
The soil of reason is as container nursery ground；
Step 2: make seedbed: turning over selected Seedlings nursery, bedding is also ditched, and is beneficial to draining；At furrow face soil
Lay one layer 5～the river sand of 8cm thickness on layer, above river sand, re-lay one layer of ground cloth；
Step 3: select container: selecting non-woven container bag as container for plant growth, its specification is 7-16cm × 9-20cm；
Step 4: preparation substrate: matrix components is made up of yellow soil, turfy soil, perlite, prepares substrate by volume
Ratio is yellow soil: turfy soil: perlite=0-2:0-1:0-0.5, prepares in proportion, mixes thoroughly, sieves, and removes foreign material, too
It is exposed to the sun under sun, sterilizes with carbendazim, be then loaded at the 2/3 of container height；
Step 5: select nursery stock: select Semen Castanopsis chinensis Nurse seed grafting Seedling then, entered by nursery stock transplanting in container, water, make
Soil is in close contact with root；
Step 6: management nursery stock: set up the support of high 0.8-1.2m in seedbed surrounding, shelter from heat or light with sunshade net；After transplanting
Watering foot and determine root water, the later stage irrigates when substrate is dried, and does not does and does not waters, waters, irrigate；Mid or late August～11 below the moon
Ten days, soluble in water by a certain amount of carbamide, calcium superphosphate and potassium chloride, sprayed 1 fertilizer every 10 days, nitrogen fertilizer application amount is 0-175mg/
Strain, executing phosphate fertilizer amount is 30-40mg/ strain, and potassium application amount is 50-60mg/ strain；Artificial weeding is carried out when substrate moistens；Container seedling
Within every 20～30 days, spraying with thiophanate methyl or carbendazim after surviving, both are used alternatingly；
Step 7: go out garden: the nursery stock of grafting in autumn then grow up to footpath, ground be more than 3.0mm, height of seedling be more than 13cm, during lifting
In keeping container, root system is complete, cuts off the root system passing container, carrying substrates field planting with shears.
Preferably, in step 2, described ground cloth is black gardening ground cloth.
Preferably, in step 3, described container bag specification is 7cm × 9cm, 11cm × 14cm, 14cm × 16cm and
The one of 16cm × 20cm.
Preferably, in step 3, described container bag specification is 16cm × 20cm.
Preferably, in step 4, the configuration proportion of described substrate is yellow soil: turfy soil: perlite=1:0:0, Huang
Cubsoil: turfy soil: perlite=0:1:0, yellow soil: turfy soil: perlite=1:1:0, yellow soil: turfy soil: perlite=
2:1:0 and yellow soil: turfy soil: the one of perlite=2:1:0.5.
Preferably, in step 4, the configuration proportion of described substrate is yellow soil: turfy soil: perlite=2:1:0.5.
Preferably, in step 6, described nitrogen fertilizer application amount is 125mg/ strain, and executing phosphate fertilizer amount is 36mg/ strain, and potassium application amount is
54mg/ strain.
Present invention also offers the Semen Castanopsis chinensis Seedling that above-mentioned Semen Castanopsis chinensis container seedling culture method is educated.
(3) beneficial effect
The present invention uses container nursery mode to cultivate Semen Castanopsis chinensis, seedling root can be kept complete, improve the one-tenth transplanted during transplanting
Motility rate, without seedling-slowing stage；And the whole year all can transplant, be not subject to seasonal restrictions.The cultural method using container nursery can make Semen Castanopsis chinensis nursery stock
Transport, remove and unload conveniently.The problem that root is difficult to survive, off-season cultivation survives difficulty is hindered when solving Semen Castanopsis chinensis nursery stock transplanting.
The root system of the present invention educated Semen Castanopsis chinensis container seedling and substrate compact winding, substrate is difficult to be scattered, and lifting is convenient, it is simple to long
Way transport；The management of the present invention educated Semen Castanopsis chinensis container seedling can be intensive, and nursery stock is the most neat, it is simple to do mechanization operation；The present invention
Educated Semen Castanopsis chinensis container seedling is transplanted and is not limited by the afforestation season, and root system is not susceptible to damage, and after transplanting afforestation, survival rate is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the influence curve figure to Semen Castanopsis chinensis height of seedling that applies fertilizer in inventive container nursery；
Fig. 2 be in inventive container nursery dose to Semen Castanopsis chinensis shoot root system total root length influence curve figure；
Fig. 3 be in inventive container nursery dose to Semen Castanopsis chinensis shoot root system total surface area influence curve figure；
Fig. 4 be in inventive container nursery dose to Semen Castanopsis chinensis shoot root system cumulative volume influence curve figure；
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for
The present invention is described, but can not be used for limiting the scope of the present invention.
Experimental technique used in following embodiment if no special instructions, is conventional method.
Material used in following embodiment, reagent etc., if no special instructions, the most commercially obtain.
Embodiment 1
(1) ground, garden selects: chooses that plot gesture is smooth, draining good, has irrigation conditions, convenient transportation and be easy to management
Soil is as container nursery ground.
(2) seedbed makes: selected Seedlings nursery is carried out weeding, the bedding ditching of turning over, is beneficial to draining；At furrow face soil
Lay one layer 5～the river sand of 8cm thickness on layer, above river sand, re-lay one layer of black gardening ground cloth.
(3) containers size select: select 4 kinds of non-woven container bags as container for plant growth, its specification be respectively 7cm × 9cm,
11cm×14cm、14cm×16cm、16cm×20cm。
(4) substrate preparation: matrix components is made up of yellow soil, turfy soil, perlite, prepares substrate according to volume ratio, mixes
Sieve after even, foreign material are removed, sterilizes with carbendazim after being exposed to the sun under the sun.It is gold zone that 5 formula are respectively as follows: No. 1 formula
Soil；No. 2 formula are turfy soil；No. 3 formula are yellow soil: turfy soil=1:1；No. 4 formula are yellow soil: turfy soil=2:1；5
Number formula is yellow soil: turfy soil: perlite=2:1:0.5.The substrate prepared is loaded at the 2/3 of container height.
(5) selection of seedling: selected nursery stock is Semen Castanopsis chinensis Nurse seed grafting Seedling then, is entered by nursery stock transplanting in container, then
Water a water, make soil be in close contact with root.
(6) nursery stock management:
1. illumination management: after nursery stock transplanting enters container, puts neat, sets up the support of high about 1m in seedbed surrounding, with screening
Screened postive is sheltered from heat or light.
2. rich water quality management: watering foot after transplanting and determine root water, the later stage irrigates when substrate is dried, does not does and does not waters, water
Then irrigate；In mid or late August～late November, soluble in water by a certain amount of carbamide, calcium superphosphate and potassium chloride, every 10 days
Spraying 1 time, nitrogen fertilizer application amount is respectively 0mg/ strain, 25mg/ strain, 50mg/ strain, 75mg/ strain, 100mg/ strain, 125mg/ strain, 150mg/
Strain, 175mg/ strain, execute phosphate fertilizer be 36mg/ strain, potash fertilizer be 54mg/ strain.
3. weeding: carry out artificial weeding when substrate moistens.
4. the prevention and control of plant diseases, pest control: container seedling is sprayed after surviving for every 20～30 days with thiophanate methyl or carbendazim, two
Person is used alternatingly.
(7) go out garden: the nursery stock of grafting in autumn then can grow up to footpath, ground be more than 3.0mm, height of seedling be more than 13cm, if select fixed
Planting, resident time is not limited by season, and in keeping container during lifting, root system is complete, cuts off the root system passing container with shears,
Carrying substrates field planting.
Test example 1
1) containers size is on ground footpath, the impact of height of seedling of Semen Castanopsis chinensis grafting
Containers size is notable on the footpath, ground of Semen Castanopsis chinensis Nurse seed grafting Seedling, height of seedling impact, the height of seedling of grafting, footpath along with appearance
The increase of device specification and become big (being shown in Table 1).Ground footpath, height of seedling less for A container bag grafting, respectively 2.37mm and
8.65cm, A size containers bag increases to B size containers bag, B size containers bag increases to C size containers bag grafting
The footpath, ground of Seedling, height of seedling all significantly increase.The footpath, ground of B size containers bag grafting, height of seedling are 2.73mm, 10.50cm；No. C rule
The footpath, ground of lattice container bag grafting, height of seedling are 3.12mm, 13.01cm, and C size containers increases to D container bag grafting
Footpath, ground, height of seedling increase inconspicuous, and footpath, ground, height of seedling the most slightly increase to 3.38mm, 13.73cm.
Table 1: the containers size impact on seedling growth
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
2) containers size impact on Semen Castanopsis chinensis grafting Dry Matter
Containers size to leaf dry weight, stem weight, root dry weight, the aerial parts dry weight of Semen Castanopsis chinensis Nurse seed grafting Seedling and is always done
Weight average impact is notable (being shown in Table 2), not notable on root/shoot ratio impact, the leaf dry weight of grafting, stem weight, root dry weight, aerial parts
Dry weight and gross dry weight all increase along with the increase of containers size.When containers size is less than C (14cm × 16cm), each dry weight is equal
Significantly increase along with the increase of containers size；When containers size is more than C (14cm × 16cm), each dry weight significantly increases
Adding, C, D size containers each dry weight of bag grafting is the biggest, and the leaf dry weight of C size containers bag grafting, stem weight, root are done
Weight, aerial parts dry weight and gross dry weight are respectively 1.35g, 1.70g, 2.09g, 3.05g, 5.14g；D size containers bag is transferred
The leaf dry weight of seedlings picking, stem weight, root dry weight, aerial parts dry weight and gross dry weight be respectively 1.42g, 1.85g, 2.43g,
3.27g、5.60g；The leaf dry weight of A size containers bag grafting, stem weight, root dry weight, aerial parts dry weight and gross dry weight
The least, respectively 0.86g, 1.15g, 1.31g, 1.91g, 3.22g.
Table 2: the containers size impact on Castanea henryi seedling dry weight allocation
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
3) containers size impact on Semen Castanopsis chinensis grafting root index
Containers size is notable (being shown in Table 3) on total root length of Semen Castanopsis chinensis grafting, root surface area, the impact of root volume.D specification is held
The total root length of grafting of device bag, root surface area, root volume are the biggest, are 475.83cm, 22.23cm respectively2、4.13cm3.Different
Total root length of size containers bag grafting, root surface area are identical with the size sequence of root volume, are all D (16cm × 20cm) > C
(14cm×16cm)>B(11cm×14cm)>A(7cm×9cm)。
Table 3: the containers size impact on grafting root index
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
Test example 2
1) different formulations substrate on nursery stock height of seedling, the impact in footpath
Different formulations substrate is notable (being shown in Table 4) on footpath, ground, the height of seedling impact of Semen Castanopsis chinensis Nurse seed grafting Seedling.Transferring of No. 5 substrate
Seedlings picking ground footpath, height of seedling are the biggest, respectively 3.45 ± 0.09mm, 14.31 ± 0.37cm.Transferring of next preferably No. 3 substrate
Seedlings picking, its footpath, ground, height of seedling are respectively 3.34 ± 0.07mm, 13.99 ± 0.53cm.The grafting growth of No. 1 substrate is poor, ground
Footpath, height of seedling are respectively 2.83 ± 0.12mm, 8.78 ± 0.36cm.No. 2 formula, No. 4 formula are placed in the middle, the footpath, ground of No. 2 formula, height of seedling
It is respectively 2.97 ± 0.19mm, 10.95 ± 0.44cm；The footpath, ground of No. 4 formula, height of seedling be respectively 3.12 ± 0.08mm, 13.01 ±
0.24cm。
Table 4: different substrates on nursery stock height of seedling, the impact in footpath
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
2) the different formulations substrate impact on Semen Castanopsis chinensis grafting Dry Matter
The dry weight of Semen Castanopsis chinensis Nurse seed grafting Seedling is affected notable by different formulations substrate, on the impact of root/shoot ratio notable (see
Table 5).1,2, No. 4 substrate are more notable with the grafting dry weight difference of 3, No. 5 substrate, No. 3 substrate and the grafting of No. 5 substrate
Dry weight difference is the most notable.Wherein, No. 3 relatively big with the grafting dry weight of No. 5 substrate, the root dry weight of No. 3 substrate graftings, stem weight
It is respectively 2.42g, 1.95g, 1.55g with leaf dry weight；The root dry weight of No. 5 substrate graftings, stem weight and leaf dry weight are respectively
2.54g、2.04g、1.51g.Secondly the grafting of preferably No. 4 substrate, its root dry weight, stem weight and leaf dry weight are respectively
2.09g、1.70g、1.35g.The grafting dry weight of No. 1 substrate is less, its root dry weight, stem weight and leaf dry weight be respectively 1.72g,
1.42g、0.94g。
Table 5: the different substrates impact on Semen Castanopsis chinensis grafting seedling dry weight allocation
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
3) the different formulations substrate impact on Semen Castanopsis chinensis grafting root index
Different formulations substrate is notable (being shown in Table 6) on total root length of Semen Castanopsis chinensis grafting, root surface area, the impact of root volume.Join for No. 5
The total root length of grafting of Fang Jizhi, root surface area, root volume are the biggest, are 516.33cm, 23.78cm respectively2、4.32cm3, respectively
Total root length of formulation media grafting is identical with the size sequence of root surface area, is all No. 5 formula > No. 3 formula > No. 4 formula > 2
Number formula > No. 1 formula；The root volume of each formulation media grafting from big to small be ordered as No. 5 formula > No. 3 formula > and No. 4 join
Side > No. 1 formula > No. 2 formula.
Table 6: the different substrates impact on grafting root index
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
Test example 3
Test uses exponential fertilization method, and its equation is:
NT=Ns (erT-1) (2-1)
Nt=Ns (ert-1)-Nt-1 (2-2)
R=ln (NT/NS+1)/T (2-3)
In formula, NTFor material total amount of need to applying fertilizer；Ns is the content of fertilising front nursery stock body certain element interior；T is total fertilizer application frequency；
R is relative adding rate, and Nt is dose during the t time fertilising under r, Nt-1For the fertile amount applied for first t-1 time
Sum.
Table 7: nitrogen exponential fertilization testing program (mg/ strain)
During fertilising, the carbamide weighed up, calcium superphosphate and potassium chloride being dissolved in a certain amount of water, wherein nitrogen fertilizer application amount is 0
～175mg/ strain (being shown in Table 7), execute phosphate fertilizer be 36mg/ strain, potash fertilizer be 54mg/ strain.
1) fertilising is on ground footpath, the impact of height of seedling of Semen Castanopsis chinensis grafting
Semen Castanopsis chinensis Nurse seed grafting Seedling height of seedling is not made significant difference by Different Fertilization amount, notable with ratio of height to diameter impact on footpath, nursery stock ground
(being shown in Table 8).In fertilising early stage, Semen Castanopsis chinensis height of seedling increases by a small margin, JIUYUE after 25 days Semen Castanopsis chinensis height of seedling substantially stop increasing, along with fertilising
The increase of amount, Seedling height growth is in downward trend after first rising in little scope, but entire change is inconspicuous.When dose is
During 125mg/ strain, Seedling height growth is maximum, and for 13.38cm, what the height of seedling of different disposal was descending put in order for N125 >
N100>N50>N25>N150>N175>N75>CK.Footpath, Castanea henryi seedling ground totally declines in first rising afterwards along with the increase of dose
Trend, wherein N125 process footpath, ground increasing degree the highest, exceed 32% than comparison, the footpath, ground of different disposal is descending
Put in order as N125 N100 > N150 > N175 > N75 > N50 > N25 > CK.
In the case of height of seedling is up to standard, ratio of height to diameter is the least, and seedling quality is the best, and fertilizer treatment ratio of height to diameter is substantially less than comparison,
This explanation fertilising improves seedling quality.Ratio of height to diameter minimum for N125 processs, lower by 22% than compareing, the footpath, ground of different disposal by
Little put in order as N125 < N150=N100 < N175 < N75 < N50 < N25 < CK to big.
The height of seedling of fertilizer treatment is without significant difference (see Fig. 1), and footpath, ground, ratio of height to diameter are significantly better than comparison, footpath, ground high specific pair
According to improving 32%, the ratio comparison of ratio of height to diameter minimum is low by 22%.Thus may determine that, the fertilising impact on Castanea henryi seedling growth indexes
Size is: footpath, ground > ratio of height to diameter > height of seedling.The impact in this explanation malnutrition footpath over the ground is maximum, and after fertilising, nursery stock becomes sturdy.
Table 8: dose on height of seedling, footpath and the impact of ratio of height to diameter
Note: in table, letter is Duncan the result of multiple comparisons, represents significant difference (P < 0.05) without same letter between row.
2) different fertilization impact on nursery stock Dry Matter
The accumulation on Castanea henryi seedling root dry weight with stem weight of applying fertilizer has appreciable impact, does not makes significant difference leaf dry weight and (is shown in Table
9).Along with the increase of dose, stem weight first increases and declines afterwards, Different Fertilization amount Castanea henryi seedling stem weight order from big to small
For N150 > N100 > N125 > N175 > N50 > N25 > N75, be respectively 1.58 times of comparison, 1.55 times, 1.33 times, 1.30 times,
1.15 times, 1.05 times, 1.04 times.Under N125 and N100 processes, root dry weight increase is the most obvious, be respectively 1.73 times of comparison and
1.58 times, Different Fertilization amount Castanea henryi seedling root dry weight order N125 from big to small > N100 > N150 > N75 > N50 > N175 > N25,
It is respectively 1.73 times, 1.58 times, 1.55 times, 1.47 times, 1.43 times, 1.38 times, 1.10 times of comparison.In N125 and N150 process
Under, aerial parts dry weight amplification is maximum, is respectively 1.25 times and 1.24 times of comparison, Different Fertilization amount Castanea henryi seedling aerial parts
Dry weight order from big to small is: N125 > N150 > N100 > N175 > N75 > N50 > N25.Under N125 and N150 processes, always do
Weight maximum, is respectively 1.45 times and 1.37 times of comparison.This shows that the impact under ground portion of applying fertilizer is maximum, be secondly
Gross dry weight, less on aerial parts impact, this illustrates that fertilising rear batallion brings part up and all accumulates to root.Different Fertilization amount processes
Notable on the impact of Castanea henryi seedling root/shoot ratio, along with the increase root/shoot ratio of dose first raises, then tend towards stability, last slowly under
Fall.
Table 9: the fertilising impact on Castanea henryi seedling dry weight allocation
3) the different nitrogen fertilizer treatment impact on Castanea henryi seedling root system
The total root length of Castanea henryi seedling root system, before October 10, is slowly increased, and October, amplification started to become big, November, cone
The total root length of chestnut seedlings root enters the quick rise period (see Fig. 2).Before October, between each process, difference is little, after October,
Between each process, gap slowly becomes big, and wherein N125 processes root system total root length maximum, for 610cm, is 1.38 times of comparison.
The variation tendency of Castanea henryi seedling root surface area consistent with total root length (see Fig. 3).Before October, root surface area is slow
Increasing, after November, root surface area enters the quick rise period.At the end of experiment, the root surface area gap between each process is bright
Aobvious increase, the root surface area that N125 processes is maximum, for 26.7cm2, than comparison raising 22%.
The variation tendency of Castanea henryi seedling root volume has necessarily difference, (see Fig. 4) with total root length compared with surface area.August 25
Day to during JIUYUE 25 days, root system volume is without significant change, and JIUYUE is after 25 days, and root system volume is entered the quick rise period, October
Growth rate has slowed down, another growth peak of entering again after November, before October 25, and root system volume between each process
Difference is inconspicuous, and after October 25, the difference between each process starts to widen, and reaches maximum to November 25.N125 processes
Semen Castanopsis chinensis Seedling root system volume is maximum, for 4.96cm3, than comparison raising 34%.
Embodiment of above is merely to illustrate the present invention, rather than limitation of the present invention.Although with reference to embodiment to this
Bright be described in detail, it will be understood by those within the art that, technical scheme is carried out various combination,
Amendment or equivalent, without departure from the spirit and scope of technical solution of the present invention, all should contain the right in the present invention and want
Ask in the middle of scope.
Claims (8)
1. a Semen Castanopsis chinensis container seedling culture method, it is characterised in that the method comprises the steps:
Step one: select ground, garden: choose that plot gesture is smooth, draining good, have irrigation conditions, convenient transportation and be easy to management
Soil is as container nursery ground；
Step 2: make seedbed: turning over selected Seedlings nursery, bedding is also ditched, and is beneficial to draining；On the soil layer of furrow face
Lay one layer 5～the river sand of 8cm thickness, above river sand, re-lay one layer of ground cloth；
Step 3: select container: selecting non-woven container bag as container for plant growth, its specification is 7-16cm × 9-20cm；
Step 4: preparation substrate: matrix components is made up of yellow soil, turfy soil, perlite, prepares the ratio of substrate by volume
For yellow soil: turfy soil: perlite=0-2:0-1:0-0.5, prepare in proportion, mix thoroughly, sieve, remove foreign material, at the bottom of the sun
Under be exposed to the sun, with carbendazim sterilize, be then loaded at the 2/3 of container height；
Step 5: select nursery stock: select Semen Castanopsis chinensis Nurse seed grafting Seedling then, entered by nursery stock transplanting in container, water, make soil
It is in close contact with root；
Step 6: management nursery stock: set up the support of high 0.8-1.2m in seedbed surrounding, shelter from heat or light with sunshade net；Foot is watered after transplanting
Determining root water, the later stage irrigates when substrate is dried, and does not does and does not waters, waters, irrigate；In mid or late August～late November, press
A certain amount of carbamide, calcium superphosphate and potassium chloride are soluble in water, spray 1 fertilizer every 10 days, and nitrogen fertilizer application amount is 0-175mg/ strain, executes
Phosphate fertilizer amount is 30-40mg/ strain, and potassium application amount is 50-60mg/ strain；Artificial weeding is carried out when substrate moistens；After container seedling survives
Within every 20～30 days, spraying with thiophanate methyl or carbendazim, both are used alternatingly；
Step 7: go out garden: the nursery stock of grafting in autumn then grow up to footpath, ground be more than 3.0mm, height of seedling be more than 13cm, keep during lifting
In container, root system is complete, cuts off the root system passing container, carrying substrates field planting with shears.
Semen Castanopsis chinensis container seedling culture method the most according to claim 1, it is characterised in that in step 2, described ground cloth is black
Color gardening ground cloth.
Semen Castanopsis chinensis container seedling culture method the most according to claim 1, it is characterised in that in step 3, described container bag is advised
Lattice are the one of 7cm × 9cm, 11cm × 14cm, 14cm × 16cm and 16cm × 20cm.
Semen Castanopsis chinensis container seedling culture method the most according to claim 3, it is characterised in that in step 3, described container bag is advised
Lattice are 16cm × 20cm.
Semen Castanopsis chinensis container seedling culture method the most according to claim 1, it is characterised in that in step 4, joining of described substrate
Ratio processed is yellow soil: turfy soil: perlite=1:0:0, yellow soil: turfy soil: perlite=0:1:0, yellow soil: the peat composed of rotten mosses
Soil: perlite=1:1:0, yellow soil: turfy soil: perlite=2:1:0 and yellow soil: turfy soil: perlite=2:1:0.5's
A kind of.
Semen Castanopsis chinensis container seedling culture method the most according to claim 5, it is characterised in that in step 4, joining of described substrate
Ratio processed is yellow soil: turfy soil: perlite=2:1:0.5.
Semen Castanopsis chinensis container seedling culture method the most according to claim 1, it is characterised in that in step 6, described nitrogen fertilizer application amount
For 125mg/ strain, executing phosphate fertilizer amount is 36mg/ strain, and potassium application amount is 54mg/ strain.
8. the Semen Castanopsis chinensis Seedling that the Semen Castanopsis chinensis container seedling culture method described in any one of claim 1-7 is educated.
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